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Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle ker

To: Boris Derzhavets <bderzhavets@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle kernel paging request
From: Bruce Edge <bruce.edge@xxxxxxxxx>
Date: Wed, 1 Dec 2010 13:32:53 -0800
Cc:
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On Fri, Nov 19, 2010 at 11:17 AM, Boris Derzhavets
<bderzhavets@xxxxxxxxx> wrote:
>
> You uncompress :-
>   tar lxf linux-2.6.37-rc2.tar.bz2
> Mine :-
>  tar jxvf linux-2.6.37-rc2.tar.bz2
>
> Boris
>
> --- On Fri, 11/19/10, Bruce Edge <bruce.edge@xxxxxxxxx> wrote:
>
> From: Bruce Edge <bruce.edge@xxxxxxxxx>
> Subject: Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle 
> kernel paging request
> To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
> Cc: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, 
> "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>
> Date: Friday, November 19, 2010, 1:16 PM
>
> On Thu, Nov 18, 2010 at 11:12 PM, Boris Derzhavets <bderzhavets@xxxxxxxxx> 
> wrote:
>
> I would guess, applying this patches to mainline 2.6.37-rc2 has nothing to do 
> with specific fedora patches. It was done on Ubuntu 10.10
> 1. Kernel source extracted.
> 2. Patches copied over LAN and applied.
>
> root@boris-System-P5Q3:~# cd Downloads/*-rc2
> root@boris-System-P5Q3:~/Downloads/linux-2.6.37-rc2# ls -l ../*.patch
> -rw-r--r-- 1 root root 84442 2010-11-17 01:06 ../xen.next-2.6.37.patch
> -rw-r--r-- 1 root root  4062 2010-11-17 01:06 ../xen.pcifront.fixes.patch
> root@boris-System-P5Q3:~/Downloads/linux-2.6.37-rc2# patch -p1 -s -i 
> ../xen.next-2.6.37.patch
> root@boris-System-P5Q3:~/Downloads/linux-2.6.37-rc2# patch -p1 -s -i 
> ../xen.pcifront.fixes.patch
> root@boris-System-P5Q3:~/Downloads/linux-2.6.37-rc2#
>
> Boris.
> P.S Directory /root/Downloads/linux-2.6.37-rc2 contains mainline's 2.6.37-rc2
>
> I feel like I must be doing something unbelievably stupid:
>
> %> rm -rf linux-2.6.37
> %> tar lxf linux-2.6.37-rc2.tar.bz2 (This is 
> http://www.kernel.org/pub/linux/kernel/v2.6/testing/linux-2.6.37-rc2.tar.bz2)
> %> cd linux-2.6.37-rc2
> %> patch --dry-run -p1 -s -i  ../patches.2.6.37/xen.next-2.6.37.patch
>
> 1 out of 2 hunks FAILED -- saving rejects to file 
> drivers/block/xen-blkfront.c.rej
> 1 out of 1 hunk FAILED -- saving rejects to file 
> arch/x86/include/asm/microcode.h.rej
> 1 out of 1 hunk FAILED -- saving rejects to file arch/x86/kernel/Makefile.rej
> 1 out of 1 hunk FAILED -- saving rejects to file arch/x86/xen/Kconfig.rej
> 1 out of 2 hunks FAILED -- saving rejects to file 
> arch/x86/include/asm/processor.h.rej
> 1 out of 1 hunk FAILED -- saving rejects to file drivers/xen/gntdev.c.rej
>
> -Bruce
>
>
> --- On Thu, 11/18/10, Bruce Edge <bruce.edge@xxxxxxxxx> wrote:
>
> From: Bruce Edge <bruce.edge@xxxxxxxxx>
> Subject: Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle 
> kernel paging request
> To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
> Cc: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, 
> "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>
> Date: Thursday, November 18, 2010, 3:05 PM
>
>
>
> On Thu, Nov 18, 2010 at 9:05 AM, Boris Derzhavets <bderzhavets@xxxxxxxxx> 
> wrote:
>
> Bruce,
> You should be able to apply patches to mainline 2.6.37-rc2 cleanly. This 
> patches are
> taken out from MY's kernel-2.6.37-rc2.git0.fc15.src.rpm.
> I already applied them on Ubuntu 10.10 to uncompressed mainline rc2.
>
> I'm assuming fc=fedora core here?
> Doesn't the fc kernel have a number of other patches already installed?
> I'm using a kernel.org kernel, which has none of the fc patches so it's not 
> surprising that they don't apply.
>
> -Bruce
>
>
> I have also to notice, that
> # mount IP-Dom0:/home/user1 /mnt/nfs
> # cd /mnt/nfs
> # ls -l
> crashes DomU immediately in text mode.
> In graphics mode it doesn't necessary happen every time.
> DomU might survive this "hack" and crashed one
> hour latter by another reason.
>
> Boris.
>
> --- On Thu, 11/18/10, Bruce Edge <bruce.edge@xxxxxxxxx> wrote:
>
> From: Bruce Edge <bruce.edge@xxxxxxxxx>
> Subject: Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle 
> kernel paging request
> To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
> Cc: "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>, "Jeremy Fitzhardinge" 
> <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
> Date: Thursday, November 18, 2010, 11:40 AM
>
>
>
> On Thu, Nov 18, 2010 at 2:34 AM, Boris Derzhavets <bderzhavets@xxxxxxxxx> 
> wrote:
>
> Could you apply two attached patches on top of 2.6.37-rc2 and see
> whether it gives some improvement or no ( with active NFS client at DomU)
>
> Boris
>
> Hi Boris,
>
> Are you using the mainline kernel or a pvops branch with these patches?
> Maybe I'm doing something wrong, but they don't apply cleanly with 2.6.37-rc2:
>
> %> patch --dry-run <../patches.2.6.37/xen.next-2.6.37.patch
>
> patching file pgtable.h
> Hunk #1 FAILED at 399.
> 1 out of 1 hunk FAILED -- saving rejects to file pgtable.h.rej
> patching file pgtable.c
> Hunk #1 FAILED at 15.
> 1 out of 1 hunk FAILED -- saving rejects to file pgtable.c.rej
> patching file ttm_bo_vm.c
> Hunk #1 FAILED at 273.
> Hunk #2 FAILED at 288.
> 2 out of 2 hunks FAILED -- saving rejects to file ttm_bo_vm.c.rej
> ......
>
>  %> patch --dry-run <../patches.2.6.37/xen.pcifront.fixes.patch
>
> patching file enlighten.c
> Hunk #1 FAILED at 1090.
> Hunk #2 FAILED at 1202.
> 2 out of 2 hunks FAILED -- saving rejects to file enlighten.c.rej
> patching file setup.c
> Hunk #1 FAILED at 337.
> Hunk #2 FAILED at 356.
> 2 out of 2 hunks FAILED -- saving rejects to file setup.c.rej
>
> Same result for linux-2.6.37-xen-next branch.
>
> -Bruce
>
>
> --- On Wed, 11/17/10, Bruce Edge <bruce.edge@xxxxxxxxx> wrote:
>
> From: Bruce Edge <bruce.edge@xxxxxxxxx>
> Subject: Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle 
> kernel paging request
> To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
> Cc: "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>, "Jeremy Fitzhardinge" 
> <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
> Date: Wednesday, November 17, 2010, 4:28 PM
>
> On Tue, Nov 16, 2010 at 1:49 PM, Boris Derzhavets <bderzhavets@xxxxxxxxx> 
> wrote:
>
> Yes, here we are
>
> [  186.975228] ------------[ cut here ]------------
> [  186.975245] kernel BUG at mm/mmap.c:2399!
> [  186.975254] invalid opcode: 0000 [#1] SMP
> [  186.975269] last sysfs file: 
> /sys/devices/system/cpu/cpu1/cache/index2/shared_cpu_map
> [  186.975284] CPU 0
> [  186.975290] Modules linked in: nfs fscache deflate zlib_deflate ctr 
> camellia cast5 rmd160 crypto_null ccm serpent blowfish twofish_generic 
> twofish_x86_64 twofish_common ecb xcbc cbc sha256_generic sha512_generic 
> des_generic cryptd aes_x86_64 aes_generic ah6 ah4 esp6 esp4 xfrm4_mode_beet 
> xfrm4_tunnel tunnel4 xfrm4_mode_tunnel xfrm4_mode_transport 
> xfrm6_mode_transport xfrm6_mode_ro xfrm6_mode_beet xfrm6_mode_tunnel ipcomp 
> ipcomp6 xfrm_ipcomp xfrm6_tunnel tunnel6 af_key nfsd lockd nfs_acl 
> auth_rpcgss exportfs sunrpc ipv6 uinput xen_netfront microcode xen_blkfront 
> [last unloaded: scsi_wait_scan]
> [  186.975507]
> [  186.975515] Pid: 1562, comm: ls Not tainted 
> 2.6.37-0.1.rc1.git8.xendom0.fc14.x86_64 #1 /
> [  186.975529] RIP: e030:[<ffffffff8110ada1>]  [<ffffffff8110ada1>] 
> exit_mmap+0x10c/0x119
> [  186.975550] RSP: e02b:ffff8800781bde18  EFLAGS: 00010202
> [  186.975560] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 
> 0000000000000000
> [  186.975573] RDX: 00000000914a9149 RSI: 0000000000000001 RDI: 
> ffffea00000c0280
> [  186.975585] RBP: ffff8800781bde48 R08: ffffea00000c0280 R09: 
> 0000000000000001
> [  186.975598] R10: ffffffff8100750f R11: ffffea0000967778 R12: 
> ffff880076c68b00
> [  186.975610] R13: ffff88007f83f1e0 R14: ffff880076c68b68 R15: 
> 0000000000000001
> [  186.975625] FS:  00007f8e471d97c0(0000) GS:ffff88007f831000(0000) 
> knlGS:0000000000000000
> [  186.975639] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
> [  186.975650] CR2: 00007f8e464a9940 CR3: 0000000001a03000 CR4: 
> 0000000000002660
> [  186.975663] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
> 0000000000000000
> [  186.976012] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
> 0000000000000400
> [  186.976012] Process ls (pid: 1562, threadinfo ffff8800781bc000, task 
> ffff8800788223e0)
> [  186.976012] Stack:
> [  186.976012]  000000000000006b ffff88007f83f1e0 ffff8800781bde38 
> ffff880076c68b00
> [  186.976012]  ffff880076c68c40 ffff8800788229d0 ffff8800781bde68 
> ffffffff810505fc
> [  186.976012]  ffff8800788223e0 ffff880076c68b00 ffff8800781bdeb8 
> ffffffff81056747
> [  186.976012] Call Trace:
> [  186.976012]  [<ffffffff810505fc>] mmput+0x65/0xd8
> [  186.976012]  [<ffffffff81056747>] exit_mm+0x13e/0x14b
> [  186.976012]  [<ffffffff81056976>] do_exit+0x222/0x7c6
> [  186.976012]  [<ffffffff8100750f>] ? xen_restore_fl_direct_end+0x0/0x1
> [  186.976012]  [<ffffffff8107ea7c>] ? arch_local_irq_restore+0xb/0xd
> [  186.976012]  [<ffffffff814b3949>] ? lockdep_sys_exit_thunk+0x35/0x67
> [  186.976012]  [<ffffffff810571b0>] do_group_exit+0x88/0xb6
> [  186.976012]  [<ffffffff810571f5>] sys_exit_group+0x17/0x1b
> [  186.976012]  [<ffffffff8100acf2>] system_call_fastpath+0x16/0x1b
> [  186.976012] Code: 8d 7d 18 e8 c3 8a 00 00 41 c7 45 08 00 00 00 00 48 89 df 
> e8 0d e9 ff ff 48 85 c0 48 89 c3 75 f0 49 83 bc 24 98 01 00 00 00 74 02 <0f> 
> 0b 48 83 c4 18 5b 41 5c 41 5d c9 c3 55 48 89 e5 41 54 53 48
> [  186.976012] RIP  [<ffffffff8110ada1>] exit_mmap+0x10c/0x119
> [  186.976012]  RSP <ffff8800781bde18>
> [  186.976012] ---[ end trace c0f4eff4054a67e4 ]---
> [  186.976012] Fixing recursive fault but reboot is needed!
>
> Message from syslogd@fedora14 at Nov 17 00:47:40 ...
>  kernel:[  186.975228] ------------[ cut here ]------------
>
> Message from syslogd@fedora14 at Nov 17 00:47:40 ...
>  kernel:[  186.975254] invalid opcode: 0000 [#1] SMP
>
> Message from syslogd@fedora14 at Nov 17 00:47:40 ...
>  kernel:[  186.975269] last sysfs file: 
> /sys/devices/system/cpu/cpu1/cache/index2/shared_cpu_map
>
> Message from syslogd@fedora14 at Nov 17 00:47:40 ...
>  kernel:[  186.976012] Stack:
>
> Message from syslogd@fedora14 at Nov 17 00:47:40 ...
>  kernel:[  186.976012] Call Trace:
>
> Message from syslogd@fedora14 at Nov 17 00:47:40 ...
>  kernel:[  186.976012] Code: 8d 7d 18 e8 c3 8a 00 00 41 c7 45 08 00 00 00 00 
> 48 89 df e8 0d e9 ff ff 48 85 c0 48 89 c3 75 f0 49 83 bc 24 98 01 00 00 00 74 
> 02 <0f> 0b 48 83 c4 18 5b 41 5c 41 5d c9 c3 55 48 89 e5 41 54 53 48
>
> --- On Tue, 11/16/10, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
>
> From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Subject: Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle 
> kernel paging request
> To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
> Cc: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, 
> "Bruce Edge" <bruce.edge@xxxxxxxxx>
> Date: Tuesday, November 16, 2010, 4:15 PM
>
> On Tue, Nov 16, 2010 at 12:43:28PM -0800, Boris Derzhavets wrote:
> > > Huh. I .. what? I am confused. I thought we established that the issue
> > > was not related to Xen PCI front? You also seem to uncomment the
> > > upstream.core.patches and the xen.pvhvm.patch - why?
> >
> > I cannot uncomment upstream.core.patches and the xen.pvhvm.patch
> > it gives failed HUNKs
>
> Uhh.. I am even more confused.
> >
> > > Ok, they are.. v2.6.37-rc2 which came out today has the fixes
> >
> > I am pretty sure rc2 doesn't contain everything from xen.next-2.6.37.patch,
> > gntdev's stuff for sure. I've built 2.6.37-rc2 kernel rpms and loaded
> > kernel-2.6.27-rc2.git0.xendom0.x86_64 under Xen 4.0.1.
> > Device /dev/xen/gntdev has not been created. I understand that it's
> > unrelated to DomU ( related to Dom0) , but once again with rc2 in DomU i 
> > cannot
> > get 3.2 GB copied over to DomU from NFS share at Dom0.
>
> So what I think you are saying is that you keep on getting the bug in DomU?
> Is the stack-trace the same as in rc1?
>
>
>
> I haven't had much time to look into the broken/working version issues here, 
> but I did confirm a couple of points:
> 1) The 2.6.37-rc2 has the same problem still
> 2) This problem goes away of one is not using NFS.
>
> Not staggeringly helpful I know, but it's one small data point.
>
> -Bruce
>
>
>
>
> _______________________________________________
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> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
>
>
> -----Inline Attachment Follows-----
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
>
>

I just checked the recently released 2.6.73-rc4, and while the BUG
signature is different, it still fails under NFS accesses. This is
100% recreatable.

0 uss004-dpm  ~ #> [   60.303318] ------------[ cut here ]------------
[   60.303335] kernel BUG at arch/x86/xen/mmu.c:1831!
[   60.303345] invalid opcode: 0000 [#1] SMP
[   60.303362] last sysfs file: /sys/kernel/uevent_seqnum
[   60.303371] CPU 0
[   60.303377] Modules linked in: ext4 mbcache jbd2 crc16 xen_fbfront
fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront
xen_netfront xen_blkfront
[   60.303444]
[   60.303453] Pid: 3965, comm: cron Not tainted
2.6.37-rc4-kernel.org-domu-6.0.nopvhvm.bedge-debug #1 /
[   60.303468] RIP: e030:[<ffffffff810047dd>]  [<ffffffff810047dd>]
pin_pagetable_pfn+0x31/0x37
[   60.303491] RSP: e02b:ffff880077d37ce8  EFLAGS: 00010282
[   60.303501] RAX: 00000000ffffffea RBX: 0000000000077da4 RCX:
0000000000000001
[   60.303512] RDX: 00000000deadbeef RSI: 00000000deadbeef RDI:
00000000deadbeef
[   60.303524] RBP: ffff880077d37d08 R08: 00003ffffffff000 R09:
ffff880000000000
[   60.303536] R10: 00000000deadbeef R11: dead000000200200 R12:
0000000000000003
[   60.303548] R13: ffff880077d01598 R14: ffff880075dbd7e8 R15:
ffff880076335070
[   60.303564] FS:  00007fd3d87aa7a0(0000) GS:ffff88007ff40000(0000)
knlGS:0000000000000000
[   60.303577] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[   60.303588] CR2: 00007fd3d663d398 CR3: 00000000776b1000 CR4:
0000000000002660
[   60.303600] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[   60.303612] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[   60.303624] Process cron (pid: 3965, threadinfo ffff880077d36000,
task ffff880076335070)
[   60.303636] Stack:
[   60.303643]  ffff880000000000 0000000000047c6a ffff880076297800
0000000000077da4
[   60.303671]  ffff880077d37d28 ffffffff8100665c 0000000000077da4
ffff880076297800
[   60.303699]  ffff880077d37d38 ffffffff8100668f ffff880077d37d78
ffffffff810e0653
[   60.303726] Call Trace:
[   60.303739]  [<ffffffff8100665c>] xen_alloc_ptpage+0x68/0x6d
[   60.303754]  [<ffffffff8100668f>] xen_alloc_pte+0xe/0x10
[   60.303769]  [<ffffffff810e0653>] __pte_alloc+0x72/0xd7
[   60.303783]  [<ffffffff810e28e2>] handle_mm_fault+0x131/0x8c1
[   60.303797]  [<ffffffff810e7006>] ? mmap_region+0x391/0x4bf
[   60.303812]  [<ffffffff8144740f>] do_page_fault+0x374/0x396
[   60.303827]  [<ffffffff8102b7be>] ?
pvclock_clocksource_read+0x4b/0xb4
[   60.303843]  [<ffffffff81007be9>] ? __spin_time_accum+0x21/0x37
[   60.303858]  [<ffffffff81007e65>] ? __xen_spin_lock+0xb7/0xcd
[   60.303873]  [<ffffffff81444615>] page_fault+0x25/0x30
[   60.303883] Code: ec 20 89 7d e0 48 89 f7 e8 c0 ff ff ff 48 8d 7d
e0 48 89 45 e8 be 01 00 00 00 31 d2 41 ba f0 7f 00 00 e8 67 cb ff ff
85 c0 74 04 <0f>
0b eb fe c9 c3 55 40 f6 c7 01 48 89 e5 53 48 89 fb 74 30 48
[   60.304076] RIP  [<ffffffff810047dd>] pin_pagetable_pfn+0x31/0x37
[   60.304076]  RSP <ffff880077d37ce8>
[   60.304076] ---[ end trace 8bd01a369ffae446 ]---
[   64.355381] kmemleak: 4 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)

Another domU boot yielded a slightly different crash:

uss004-dpm login: [  164.897190] ------------[ cut here ]------------
[  164.897208] kernel BUG at arch/x86/xen/mmu.c:1831!
[  164.897221] invalid opcode: 0000 [#1] SMP
[  164.897238] last sysfs file: /sys/kernel/uevent_seqnum
[  164.897250] CPU 2
[  164.897257] Modules linked in: ext4 mbcache jbd2 crc16 xen_fbfront
fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront
xen_netfront xen_blkfront
[  164.897326]
[  164.897337] Pid: 3938, comm: cron Not tainted
2.6.37-rc4-kernel.org-domu-6.0.nopvhvm.bedge-debug #1 /
[  164.897352] RIP: e030:[<ffffffff810047dd>]  [<ffffffff810047dd>]
pin_pagetable_pfn+0x31/0x37
[  164.897375] RSP: e02b:ffff8800781dbce8  EFLAGS: 00010282
[  164.897386] RAX: 00000000ffffffea RBX: 0000000000077e3b RCX: 0000000000000001
[  164.897398] RDX: 00000000deadbeef RSI: 00000000deadbeef RDI: 00000000deadbeef
[  164.897410] RBP: ffff8800781dbd08 R08: 00003ffffffff000 R09: ffff880000000000
[  164.897421] R10: 00000000deadbeef R11: dead000000200200 R12: 0000000000000003
[  164.897433] R13: ffff88007646a0f0 R14: ffff880076309678 R15: ffff880075c08ea0
[  164.897451] FS:  00007fcd44d5e7a0(0000) GS:ffff88007ff78000(0000)
knlGS:0000000000000000
[  164.897464] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[  164.897474] CR2: 00007fcd43d55850 CR3: 0000000075e6e000 CR4: 0000000000002660
[  164.897488] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  164.897500] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  164.897513] Process cron (pid: 3938, threadinfo ffff8800781da000,
task ffff880075c08ea0)
[  164.897528] Stack:
[  164.897536]  ffff880000000000 0000000000047bd3 ffff88007631c700
0000000000077e3b
[  164.897565]  ffff8800781dbd28 ffffffff8100665c 0000000000077e3b
ffff88007631c700
[  164.897595]  ffff8800781dbd38 ffffffff8100668f ffff8800781dbd78
ffffffff810e0653
[  164.897625] Call Trace:
[  164.897639]  [<ffffffff8100665c>] xen_alloc_ptpage+0x68/0x6d
[  164.897655]  [<ffffffff8100668f>] xen_alloc_pte+0xe/0x10
[  164.897670]  [<ffffffff810e0653>] __pte_alloc+0x72/0xd7
[  164.897684]  [<ffffffff810e28e2>] handle_mm_fault+0x131/0x8c1
[  164.897699]  [<ffffffff8100723f>] ? xen_restore_fl_direct_end+0x0/0x1
[  164.897714]  [<ffffffff8100429c>] ? xen_mc_flush+0x1cd/0x1f2
[  164.897730]  [<ffffffff8144740f>] do_page_fault+0x374/0x396
[  164.897744]  [<ffffffff81007252>] ? check_events+0x12/0x20
[  164.897758]  [<ffffffff81006bf1>] ? xen_force_evtchn_callback+0xd/0xf
[  164.897772]  [<ffffffff81007252>] ? check_events+0x12/0x20
[  164.897786]  [<ffffffff8100723f>] ? xen_restore_fl_direct_end+0x0/0x1
[  164.897804]  [<ffffffff81003d62>] ? T.1087+0x22/0x24
[  164.897816]  [<ffffffff81003e31>] ? xen_clts+0x57/0x59
[  164.897832]  [<ffffffff81444615>] page_fault+0x25/0x30
[  164.897842] Code: ec 20 89 7d e0 48 89 f7 e8 c0 ff ff ff 48 8d 7d
e0 48 89 45 e8 be 01 00 00 00 31 d2 41 ba f0 7f 00 00 e8 67 cb ff ff
85 c0 74 04 <0f>
0b eb fe c9 c3 55 40 f6 c7 01 48 89 e5 53 48 89 fb 74 30 48
[  164.898062] RIP  [<ffffffff810047dd>] pin_pagetable_pfn+0x31/0x37
[  164.898062]  RSP <ffff8800781dbce8>
[  164.898062] ---[ end trace 85c4388599f45d39 ]---



The dom0 printed this on the serial console around the same time the
domU crashed:

0 uss004  ~ #> (XEN) mm.c:2389:d5 Bad type (saw 7400000000000001 !=
exp 1000000000000000) for mfn 47c6a (pfn 77da4)
(XEN) mm.c:2965:d5 Error while pinning mfn 47c6a

Then, a few min later started spewing these to the dom0 console:

(XEN) mm.c:2389:d5 Bad type (saw 7400000000000001 != exp
3000000000000000) for mfn 49c0a (pfn 75e04)
(XEN) mm.c:964:d5 Attempt to create linear p.t. with write perms
(XEN) mm.c:1505:d5 Failure in alloc_l4_table: entry 0
(XEN) mm.c:2142:d5 Error while validating mfn 484d4 (pfn 7753a) for
type 4000000000000000: caf=8000000000000003 taf=4000000000000001
(XEN) mm.c:2965:d5 Error while pinning mfn 484d4
(XEN) mm.c:2389:d5 Bad type (saw 7400000000000001 != exp
3000000000000000) for mfn 49c0a (pfn 75e04)
(XEN) mm.c:964:d5 Attempt to create linear p.t. with write perms
(XEN) mm.c:1505:d5 Failure in alloc_l4_table: entry 0
(XEN) mm.c:2142:d5 Error while validating mfn 49b69 (pfn 75ea5) for
type 4000000000000000: caf=8000000000000003 taf=4000000000000001
(XEN) mm.c:2965:d5 Error while pinning mfn 49b69
(XEN) mm.c:2389:d5 Bad type (saw 7400000000000001 != exp
3000000000000000) for mfn 49c0a (pfn 75e04)
(XEN) mm.c:964:d5 Attempt to create linear p.t. with write perms
(XEN) mm.c:1505:d5 Failure in alloc_l4_table: entry 0
(XEN) mm.c:2142:d5 Error while validating mfn 484d4 (pfn 7753a) for
type 4000000000000000: caf=8000000000000003 taf=4000000000000001
(XEN) mm.c:2732:d5 Error while installing new baseptr 484d4
(XEN) mm.c:2389:d5 Bad type (saw 7400000000000001 != exp
3000000000000000) for mfn 49c0a (pfn 75e04)
(XEN) mm.c:964:d5 Attempt to create linear p.t. with write perms
(XEN) mm.c:1505:d5 Failure in alloc_l4_table: entry 0
(XEN) mm.c:2142:d5 Error while validating mfn 49b69 (pfn 75ea5) for
type 4000000000000000: caf=8000000000000003 taf=4000000000000001
(XEN) mm.c:3057:d5 Error while installing new mfn 49b69
(XEN) mm.c:2389:d5 Bad type (saw 7400000000000001 != exp
3000000000000000) for mfn 49c0a (pfn 75e04)
(XEN) mm.c:964:d5 Attempt to create linear p.t. with write perms
(XEN) mm.c:1505:d5 Failure in alloc_l4_table: entry 0
(XEN) mm.c:2142:d5 Error while validating mfn 484d4 (pfn 7753a) for
type 4000000000000000: caf=8000000000000003 taf=4000000000000001
(XEN) mm.c:2732:d5 Error while installing new baseptr 484d4
(XEN) mm.c:2389:d5 Bad type (saw 7400000000000001 != exp
3000000000000000) for mfn 49c0a (pfn 75e04)
(XEN) mm.c:964:d5 Attempt to create linear p.t. with write perms
(XEN) mm.c:1505:d5 Failure in alloc_l4_table: entry 0
(XEN) mm.c:2142:d5 Error while validating mfn 49b69 (pfn 75ea5) for
type 4000000000000000: caf=8000000000000003 taf=4000000000000001
(XEN) mm.c:3057:d5 Error while installing new mfn 49b69
..........
These messages continued until I killed the domU.

The hypervisor is xen-unstable 22241

Here's the complete domU boot log:

Started domain dpm (id=5)
[    0.000000] Initializing cgroup subsys cpuset
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version
2.6.37-rc4-kernel.org-domu-6.0.nopvhvm.bedge-debug (root@opal) (gcc
version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #1 SMP Mon Nov 29 22:22:40 PST
2010
[    0.000000] Command line:
root=UUID=e971c31a-7353-4ac7-90c4-d6eb7fc33735 ro   iommu=soft
noirqbalance noirqbalance console=hvc0,115200n8 --flow_control=r
ip=:127.0.255.255::::eth0:dhcp
[    0.000000] ACPI in unprivileged domain disabled
[    0.000000] released 0 pages of unused memory
[    0.000000] BIOS-provided physical RAM map:
[    0.000000]  Xen: 0000000000000000 - 00000000000a0000 (usable)
[    0.000000]  Xen: 00000000000a0000 - 0000000000100000 (reserved)
[    0.000000]  Xen: 0000000000100000 - 0000000080800000 (usable)
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] DMI not present or invalid.
[    0.000000] No AGP bridge found
[    0.000000] last_pfn = 0x80800 max_arch_pfn = 0x400000000
[    0.000000] Scanning 0 areas for low memory corruption
[    0.000000] init_memory_mapping: 0000000000000000-0000000080800000
[    0.000000] RAMDISK: 01d95000 - 02faf000
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at 0000000000000000-0000000080800000
[    0.000000] Initmem setup node 0 0000000000000000-0000000080800000
[    0.000000]   NODE_DATA [000000007fffb000 - 000000007fffffff]
[    0.000000] Zone PFN ranges:
[    0.000000]   DMA      0x00000010 -> 0x00001000
[    0.000000]   DMA32    0x00001000 -> 0x00100000
[    0.000000]   Normal   empty
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[2] active PFN ranges
[    0.000000]     0: 0x00000010 -> 0x000000a0
[    0.000000]     0: 0x00000100 -> 0x00080800
[    0.000000] SMP: Allowing 6 CPUs, 0 hotplug CPUs
[    0.000000] No local APIC present
[    0.000000] APIC: disable apic facility
[    0.000000] APIC: switched to apic NOOP
[    0.000000] PM: Registered nosave memory: 00000000000a0000 - 0000000000100000
[    0.000000] Allocating PCI resources starting at 80800000 (gap:
80800000:7f800000)
[    0.000000] Booting paravirtualized kernel on Xen
[    0.000000] Xen version: 4.1-unstable (preserve-AD)
[    0.000000] setup_percpu: NR_CPUS:32 nr_cpumask_bits:32
nr_cpu_ids:6 nr_node_ids:1
[    0.000000] PERCPU: Embedded 28 pages/cpu @ffff88007ff40000 s82752
r8192 d23744 u114688
[    0.000000] pcpu-alloc: s82752 r8192 d23744 u114688 alloc=28*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4 [0] 5
[    0.000000] Built 1 zonelists in Node order, mobility grouping on.
Total pages: 519022
[    0.000000] Policy zone: DMA32
[    0.000000] Kernel command line:
root=UUID=e971c31a-7353-4ac7-90c4-d6eb7fc33735 ro   iommu=soft
noirqbalance noirqbalance console=hvc0,115200n8 --flow_control=r
ip=:127.0.255.255::::eth0:dhcp
[    0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
[    0.000000] Placing 64MB software IO TLB between ffff880079400000 -
ffff88007d400000
[    0.000000] software IO TLB at phys 0x79400000 - 0x7d400000
[    0.000000] Memory: 1959872k/2105344k available (4402k kernel code,
448k absent, 145024k reserved, 6323k data, 756k init)
[    0.000000] SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0,
CPUs=6, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000]  RCU-based detection of stalled CPUs is disabled.
[    0.000000] NR_IRQS:4352 nr_irqs:320 16
[    0.000000] Console: colour dummy device 80x25
[    0.000000] console [tty0] enabled
[    0.000000] console [hvc0] enabled
[    0.000000] installing Xen timer for CPU 0
[    0.000000] Detected 2660.088 MHz processor.
[    0.000999] Calibrating delay loop (skipped), value calculated
using timer frequency.. 5320.17 BogoMIPS (lpj=2660088)
[    0.000999] pid_max: default: 32768 minimum: 301
[    0.000999] Security Framework initialized
[    0.000999] SELinux:  Initializing.
[    0.000999] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
[    0.001403] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
[    0.001616] Mount-cache hash table entries: 256
[    0.002223] Initializing cgroup subsys ns
[    0.002235] ns_cgroup deprecated: consider using the
'clone_children' flag without the ns_cgroup.
[    0.002302] Initializing cgroup subsys cpuacct
[    0.002321] Initializing cgroup subsys freezer
[    0.002450] CPU: Unsupported number of siblings 16
[    0.002456] Performance Events: unsupported p6 CPU model 26 no PMU
driver, software events only.
[    0.002543] SMP alternatives: switching to UP code
[    0.003119] cpu 0 spinlock event irq 318
[    0.003764] NMI watchdog failed to create perf event on cpu0:
fffffffffffffffe
[    0.004040] installing Xen timer for CPU 1
[    0.004147] cpu 1 spinlock event irq 312
[    0.004184] SMP alternatives: switching to SMP code
[    0.000999] CPU: Unsupported number of siblings 16
[    0.005154] NMI watchdog failed to create perf event on cpu1:
fffffffffffffffe
[    0.005466] installing Xen timer for CPU 2
[    0.005570] cpu 2 spinlock event irq 306
[    0.000999] CPU: Unsupported number of siblings 16
[    0.005856] NMI watchdog failed to create perf event on cpu2:
fffffffffffffffe
[    0.006027] installing Xen timer for CPU 3
[    0.006068] cpu 3 spinlock event irq 300
[    0.000999] CPU: Unsupported number of siblings 16
[    0.006374] NMI watchdog failed to create perf event on cpu3:
fffffffffffffffe
[    0.006608] installing Xen timer for CPU 4
[    0.006716] cpu 4 spinlock event irq 294
[    0.000999] CPU: Unsupported number of siblings 16
[    0.006999] NMI watchdog failed to create perf event on cpu4:
fffffffffffffffe
[    0.007213] installing Xen timer for CPU 5
[    0.007316] cpu 5 spinlock event irq 288
[    0.000999] CPU: Unsupported number of siblings 16
[    0.007594] NMI watchdog failed to create perf event on cpu5:
fffffffffffffffe
[    0.007605] Brought up 6 CPUs
[    0.008290] kworker/u:0 used greatest stack depth: 5696 bytes left
[    0.011150] Grant table initialized
[    0.030141] Time: 165:165:165  Date: 165/165/65
[    0.030386] NET: Registered protocol family 16
[    0.032157] kworker/u:0 used greatest stack depth: 5528 bytes left
[    0.035695] PCI: setting up Xen PCI frontend stub
[    0.063222] bio: create slab <bio-0> at 0
[    0.064255] ACPI: Interpreter disabled.
[    0.065099] xen_balloon: Initialising balloon driver.
[    0.065149] last_pfn = 0x80800 max_arch_pfn = 0x400000000
[    0.066259] vgaarb: loaded
[    0.067215] usbcore: registered new interface driver usbfs
[    0.068051] usbcore: registered new interface driver hub
[    0.068163] usbcore: registered new device driver usb
[    0.070102] PCI: System does not support PCI
[    0.070147] PCI: System does not support PCI
[    0.071161] NetLabel: Initializing
[    0.071161] NetLabel:  domain hash size = 128
[    0.071161] NetLabel:  protocols = UNLABELED CIPSOv4
[    0.071276] NetLabel:  unlabeled traffic allowed by default
[    0.072077] Switching to clocksource xen
[    0.086791] pnp: PnP ACPI: disabled
[    0.121206] NET: Registered protocol family 2
[    0.121669] IP route cache hash table entries: 65536 (order: 7, 524288 bytes)
[    0.124289] TCP established hash table entries: 262144 (order: 10,
4194304 bytes)
[    0.125702] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
[    0.125921] TCP: Hash tables configured (established 262144 bind 65536)
[    0.125934] TCP reno registered
[    0.125984] UDP hash table entries: 1024 (order: 3, 32768 bytes)
[    0.126043] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes)
[    0.126722] NET: Registered protocol family 1
[    0.127683] RPC: Registered udp transport module.
[    0.128057] RPC: Registered tcp transport module.
[    0.128057] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.140312] Trying to unpack rootfs image as initramfs...
[    0.181030] Freeing initrd memory: 18536k freed
[    0.270706] DMA-API: preallocated 32768 debug entries
[    0.270720] DMA-API: debugging enabled by kernel config
[    0.272362] platform rtc_cmos: registered platform RTC device (no
PNP device found)
[    0.282120] Machine check injector initialized
[    0.288555] microcode: CPU0 sig=0x106a4, pf=0x2, revision=0xa
[    0.288614] microcode: CPU1 sig=0x106a4, pf=0x2, revision=0xa
[    0.288697] microcode: CPU2 sig=0x106a4, pf=0x2, revision=0xa
[    0.288738] microcode: CPU3 sig=0x106a4, pf=0x2, revision=0xa
[    0.288806] microcode: CPU4 sig=0x106a4, pf=0x2, revision=0xa
[    0.288849] microcode: CPU5 sig=0x106a4, pf=0x2, revision=0xa
[    0.289277] microcode: Microcode Update Driver: v2.00
<tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba
[    0.289295] Scanning for low memory corruption every 60 seconds
[    0.290872] audit: initializing netlink socket (disabled)
[    0.290949] type=2000 audit(1291237981.045:1): initialized
[    0.307918] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    0.346385] VFS: Disk quotas dquot_6.5.2
[    0.347173] Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    0.352395] NTFS driver 2.1.29 [Flags: R/W].
[    0.354350] msgmni has been set to 3864
[    0.359310] Block layer SCSI generic (bsg) driver version 0.4
loaded (major 253)
[    0.359327] io scheduler noop registered
[    0.359336] io scheduler deadline registered
[    0.359975] io scheduler cfq registered (default)
[    0.361893] pci_hotplug: PCI Hot Plug PCI Core version: 0.5
[    0.376639] pcifront pci-0: Installing PCI frontend
[    0.377039] pcifront pci-0: Creating PCI Frontend Bus 0000:00
[    0.387317] pcifront pci-0: claiming resource 0000:00:00.0/0
[    0.387317] pcifront pci-0: claiming resource 0000:00:00.0/2
[    0.387317] pcifront pci-0: claiming resource 0000:00:00.0/3
[    0.387317] pcifront pci-0: claiming resource 0000:00:00.0/4
[    0.387317] pcifront pci-0: claiming resource 0000:00:01.0/0
[    0.387317] pcifront pci-0: claiming resource 0000:00:01.0/2
[    0.387317] pcifront pci-0: claiming resource 0000:00:01.0/3
[    0.387317] pcifront pci-0: claiming resource 0000:00:01.0/4
[    0.387317] pcifront pci-0: claiming resource 0000:00:02.0/0
[    0.387317] pcifront pci-0: claiming resource 0000:00:02.0/2
[    0.387317] pcifront pci-0: claiming resource 0000:00:02.0/3
[    0.387317] pcifront pci-0: claiming resource 0000:00:02.0/4
[    0.387317] pcifront pci-0: claiming resource 0000:00:03.0/0
[    0.387317] pcifront pci-0: claiming resource 0000:00:03.0/2
[    0.387317] pcifront pci-0: claiming resource 0000:00:03.0/3
[    0.387317] pcifront pci-0: claiming resource 0000:00:03.0/4
[    0.683090] Non-volatile memory driver v1.3
[    0.683109] Linux agpgart interface v0.103
[    0.684495] [drm] Initialized drm 1.1.0 20060810
[    0.684516] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    0.782067] brd: module loaded
[    0.795822] loop: module loaded
[    0.796963] Fixed MDIO Bus: probed
[    0.799041] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    0.799696] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    0.800288] uhci_hcd: USB Universal Host Controller Interface driver
[    0.802024] usbcore: registered new interface driver usblp
[    0.802618] usbcore: registered new interface driver libusual
[    0.804297] PNP: No PS/2 controller found. Probing ports directly.
[    0.805147] i8042.c: No controller found.
[    0.805764] mice: PS/2 mouse device common for all mice
[    0.808307] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0
[    0.808937] rtc_cmos: probe of rtc_cmos failed with error -38
[    0.810975] cpuidle: using governor ladder
[    0.810988] cpuidle: using governor menu
[    0.811099] Netfilter messages via NETLINK v0.30.
[    0.811187] nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
[    0.812949] ctnetlink v0.93: registering with nfnetlink.
[    0.815366] ip_tables: (C) 2000-2006 Netfilter Core Team
[    0.815763] TCP cubic registered
[    0.815773] Initializing XFRM netlink socket
[    0.818404] NET: Registered protocol family 10
[    0.822365] ip6_tables: (C) 2000-2006 Netfilter Core Team
[    0.822752] IPv6 over IPv4 tunneling driver
[    0.826707] NET: Registered protocol family 17
[    0.826938] Registering the dns_resolver key type
[    0.829092] registered taskstats version 1
[    0.829381] kmemleak: Kernel memory leak detector initialized
[    0.829400] kmemleak: Automatic memory scanning thread started
[    0.830361] XENBUS: Device with no driver: device/vbd/51712
[    0.830361] XENBUS: Device with no driver: device/vif/0
[    0.830361] XENBUS: Device with no driver: device/console/0
[    0.830361]   Magic number: 1:252:3141
[   13.345029] Freeing unused kernel memory: 756k freed
[   13.345264] Write protecting the kernel read-only data: 10240k
[   13.355174] Freeing unused kernel memory: 1720k freed
[   13.357141] Freeing unused kernel memory: 1988k freed
[   13.413416] exe used greatest stack depth: 5360 bytes left
[   13.454058] exe used greatest stack depth: 5296 bytes left
[   13.480525] udevd (1111): /proc/1111/oom_adj is deprecated, please
use /proc/1111/oom_score_adj instead.
Begin: Loading essential drivers... ...
[   13.503292] blkid used greatest stack depth: 5088 bytes left
[   13.522790] blkfront: xvda: barriers enabled
[   13.534570]  xvda: xvda1 xvda2 < xvda5 >
[   13.606023] blkid used greatest stack depth: 4752 bytes left
[   13.631992] Initialising Xen virtual ethernet driver.
Done.
Begin: Running /scripts/init-premount ...
Done.
Begin: Mounting root file system... ...
Begin: Running /scripts/local-top ...
Done.
Begin: Running /scripts/local-premount ...
Done.
[   13.885288] EXT4-fs (xvda1): mounted filesystem with ordered data
mode. Opts: (null)
Begin: Running /scripts/local-bottom ...
Done.
Done.
Begin: Running /scripts/init-bottom ...
Done.
[   14.704681] hwclock used greatest stack depth: 4592 bytes left
init: ureadahead main process (1211) terminated with status 5
[   14.812832] plymouthd used greatest stack depth: 4352 bytes left
[   15.402077] cp used greatest stack depth: 4304 bytes left
fsck from util-linux-ng 2.17.2
e2fsck 1.41.11 (14-Mar-2010)
/dev/xvda1: clean, 56385/288576 files, 309277/1153280 blocks
 * Enable login on console                                               [ OK ]
 * Check for hostname changes...                                         [ OK ]
   ...done.
 * Setting sensors limits
         No sensors found!
Make sure you loaded all the kernel drivers you need.
Try sensors-detect to find out which these are.
No sensors found!
Make sure you loaded all the kernel drivers you need.
Try sensors-detect to find out which these are.
                                                                         [ OK ]
 * Initializing random number generator...                               [ OK ]
 * Setting up X server socket directory /tmp/.X11-unix...                [ OK ]
 * Setting up ICE socket directory /tmp/.ICE-unix...                     [ OK ]
 * Not starting fancontrol; run pwmconfig first.
 * Starting internet superserver inetd                                   [ OK ]
Starting openntpd: ntpd.
 * Starting Tomcat servlet engine tomcat6
         Using CATALINA_BASE:   /var/lib/tomcat6
Using CATALINA_HOME:   /usr/share/tomcat6
Using CATALINA_TMPDIR: /tmp/tomcat6-tmp
Using JRE_HOME:        /usr/lib/jvm/java-6-openjdk
Using CLASSPATH:       /usr/share/tomcat6/bin/bootstrap.jar
                                                                         [ OK ]
 * Recording successful boot for GRUB
   ...done.
 * Running local boot scripts (/etc/rc.local)                            [ OK ]
mountall: Plymouth command failed
mountall: Disconnected from Plymouth

uss004-dpm login: root
Password:
Linux uss004-dpm 2.6.37-rc4-kernel.org-domu-6.0.nopvhvm.bedge-debug #1
SMP Mon Nov 29 22:22:40 PST 2010 x86_64 GNU/Linux
DPM-8800 6.0.16-01

Welcome to Ubuntu!
 * Documentation:  https://help.ubuntu.com/
uss004-dpm:~# zsh
0 uss004-dpm  ~ #> mount
/dev/xvda1 on / type ext4 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
none on /sys type sysfs (rw,noexec,nosuid,nodev)
none on /sys/kernel/debug type debugfs (rw)
none on /dev type tmpfs (rw,mode=0755)
none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
none on /dev/shm type tmpfs (rw,nosuid,nodev)
none on /var/run type tmpfs (rw,nosuid,mode=0755)
none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
none on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
sys:/common/var/dpm/log on /var/log type nfs
(rw,nolock,rsize=32768,wsize=32768,sloppy,addr=135.149.78.230)
sys:/common/var/dpm/core on /var/core type nfs
(rw,nolock,rsize=32768,wsize=32768,sloppy,addr=135.149.78.230)


DomU config is attached


-Bruce

Attachment: config.2.6.37_domU_debug
Description: Binary data

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