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xen-devel
Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle ker
Same stack trace comes up when i attempted tp "cp" files from NFS folder (at Dom0)
mounted at DomU ( 2.6.37-rc1-git9 kernel )
root@boris-HVM-domU:~# mount 192.168.1.6:/home/boris /mnt/tmp
root@boris-HVM-domU:~# ls -l /mnt/tmp
total 140300
drwxr-xr-x 2 boris boris 4096 2010-10-14 18:29 Desktop
drwxr-xr-x 2 boris boris 4096 2010-10-14 18:29 Documents
drwxr-xr-x 2 boris boris 4096 2010-10-14 18:29 Downloads
-rw-r--r-- 1 boris boris 179 2010-10-14 18:06 examples.desktop
-rw-r--r-- 1 root root 70277083 2010-11-12 21:40 linux-2.6.36.tar.bz2
-rw-r--r-- 1 root root 73335884 2010-11-12 21:42 linux-2.6.37-rc1.tar.bz2
drwxr-xr-x 2 boris boris 4096 2010-10-14 18:29 Music
drwxr-xr-x 2
boris boris 4096 2010-10-14 18:29 Pictures
drwxr-xr-x 2 boris boris 4096 2010-10-14 18:29 Public
drwxr-xr-x 2 root root 4096 2010-11-05 15:12 solaris
drwxr-xr-x 2 boris boris 4096 2010-10-14 18:29 Templates
drwxr-xr-x 2 root root 4096 2010-11-13 11:19 ubuntu
drwxr-xr-x 2 boris boris 4096 2010-10-14 18:29 Videos
root@boris-HVM-domU:~# cp /mnt/tmp/linux-2.6.36.tar.bz2 .
root@boris-HVM-domU:~# cp /mnt/tmp/linux-2.6.37-rc1.tar.bz2 .
BUG: unable to handle kernel paging request at ffff880079b96cc0
IP: [<ffffffff810daa31>] do_wp_page+0x597/0x6fa
PGD 1a04067 PUD 41d5067 PMD 43a3067 PTE 8010000079b96065
Oops: 0003 [#1] SMP
last sysfs file: /sys/devices/virtual/bdi/0:22/uevent
CPU 0
Modules linked in: parport_pc ppdev ipv6 lp
parport
Pid: 3509, comm: bash Not tainted 2.6.37-rc1-git9 #1 /
RIP: e030:[<ffffffff810daa31>] [<ffffffff810daa31>] do_wp_page+0x597/0x6fa
RSP: e02b:ffff88007a305cd8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffea0001a0bcd0 RCX: 0000000000000001
RDX: 8000000136d77065 RSI: ffffffff81c47050 RDI: ffff880078adf040
RBP: ffff88007a305d68 R08: 0000000000000100 R09: 0000000000000041
R10: ffff8800798869c0 R11: ffff880078adf040 R12: ffffea0001a1ada8
R13: ffff880079b96cc0 R14: ffff880078adf040 R15: ffff88007a3c8700
FS: 00007f3a44186700(0000) GS:ffff88007ffbd000(0000) knlGS:0000000000000000
CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffff880079b96cc0 CR3: 00000000798b8000 CR4: 0000000000002660
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process bash (pid: 3509, threadinfo
ffff88007a304000, task ffff880078f66680)
Stack:
ffff88007a305cf8 ffffffff81007c31 ffffea0001aa08e0 0000000000000000
01ff88007a305d48 ffffea0001aa08e0 8000000136d77067 00007f3a441989a8
00007f3a441869d0 ffff88007a3c8700 ffff88007988d100 ffff880078adf040
Call Trace:
[<ffffffff81007c31>] ? __spin_time_accum+0x21/0x37
[<ffffffff810db54e>] handle_mm_fault+0x9ba/0xa0e
[<ffffffff814cd5dc>] do_page_fault+0x387/0x3a9
[<ffffffff810072af>] ? xen_restore_fl_direct_end+0x0/0x1
[<ffffffff81004274>] ? xen_mc_flush+0x1cd/0x1f2
[<ffffffff81003e5f>] ? xen_clts+0x33/0x59
[<ffffffff81007bf1>] ? xen_spin_unlock+0x11/0x30
[<ffffffff81042d24>] ? finish_task_switch+0x4f/0xc5
[<ffffffff8103c580>] ? __might_sleep+0x23/0xea
[<ffffffff814ca695>] page_fault+0x25/0x30
Code: 48 c1 e7 0c 48 09 c7 ff 14
25 e8 27 a1 81 48 89 c2 48 83 c8 42 49 8b 3f 48 83 ca 40 41 f6 47 30 02 48 0f 44 c2 48 89 45 a0 31 c0 <49> 87 45 00 48 8b 75 a8 4c 89 ea 0f 1f 80 00 00 00 00 48 8b 75
RIP [<ffffffff810daa31>] do_wp_page+0x597/0x6fa
RSP <ffff88007a305cd8>
CR2: ffff880079b96cc0
---[ end trace a83a1add1cfb7333 ]---
--- On Fri, 11/12/10, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: [Xen-devel] Re: 2.6.37-rc1 mainline domU - BUG: unable to handle kernel paging request
To: "Bruce Edge" <bruce.edge@xxxxxxxxx>
Cc: "Jeremy Fitzhardinge" <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, "Konrad Rzeszutek Wilk" <konrad.wilk@xxxxxxxxxx>
Date: Friday, November 12, 2010, 11:06 AM
Bruce,
I just tried 2.6.36 + patch-2.6.36-git13 via patch-2.6.36-git13.bz2 ( i picked it up from MY's first kernel-2.6.37.fc15.rc0.git13.src.rpm ). Kernel 2.6.36-git13 already has a BUG .
So , problem is inside 11 MB patch-2.6.36-git13.bz2 . Might be it gives 37-rc1,
i am not sure. If you want , i can try to send it to you.
Boris.
P.S. Bisecting 36 - 37-rc1 is too much anyway.
--- On Fri, 11/12/10, 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 12, 2010, 9:40 AM
The git bisecting is slow going. I've never tried that before and I'm a git rookie. I picked 2.6.36 - 2.6.37-rc1 as the bisect range and my first 2 bisects all panic at boot so I'm obviously doing something wrong.
I'll RTFM a bit more and keep at it. -Bruce On Thu, Nov 11, 2010 at 8:53 AM, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:
Ubuntu's 10.10 2.6.35-22-generic (or server) works fine for PV DomUs sharing
same image device. I never tested vanilla 2.6.35 (36) itself for PV DomU support.Date: Thursday, November 11, 2010, 11:46 AMOn Thu, Nov 11, 2010 at 08:29:38AM -0800,
Boris Derzhavets wrote:
> > Boris, what version of Linux kernel worked for you as PV DomU? 2.6.36? 2.6.35?
>
> Konrad,
>
> The version is 2.6.37-rc1, been built from upstream source.
I know that. I was asking what version worked for you in the past. As in, did you do
the same tests with older kernels (2.6.36 for example?)
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