Zoltan HERPAI wrote:
I've ran into a strange message when tried to test Xen 3.2.1 dom0
with 2.6.18.8-xen kernel
> [ ... snip ... ]
[ 1.623431] BUG: warning at
...linux-2.6.18-xen.hg/drivers/xen/core/pci.c:28/pci_bus_probe_wrapper()
> [ ... snip ... ]
> I'm running Ubuntu 8.04.1 on an Asus M2N-E mainboard, latest BIOS,
> 64-bit userland
I've also wrestled with this issue for some 36 hours or so. I'm
running Debian testing (lenny/sid) on a Supermicro X7DBE+ motherboard
(Intel 5000P chipset). It currently has a single CPU, Quad-core Xeon
E5345 (2.33GHz), 4GB RAM
64-bit Userland consists of gcc-4.3.1-2_amd64 (x86_64-linux-gnu
target, posix thread model) and libc6-2.7-10_amd64
In my case, the machine gets partway through the init process, and
while starting a few of the more involved network services, such as
bind9 or apache2, the kernel panics and the machine halts (crash).
While attempting to figure out why it was doing that, I tried
reverting back to the previous version that I had been running. Just
running ./install.sh from dist in that tree was enough to get the
machine to boot with a xen-enabled kernel, but because I had done an
aptitude dist-upgrade, none of the Xen utilities were working (xend
start, xm list, etc). I cloned the older build tree and did a
re-compile with the latest versions of the python and libc dev
libraries. That yielded a similar result as the Xen 3.2.1 compile:
During boot, the kernel would complain about the pci probe and then in
the middle of the init process, it would crash.
The only way I got the machine back to a working order was to
install the version of the kernel (2.6.18-xen) and Xen (3.0, changeset
15521) that I had compiled with earlier gcc and libraries (back in July,
2007), and manually cherry pick the install from the
dist/install/usr/lib64/python/xen directory on the freshly compiled copy
of that same build tree. It's running again, but my net result was just
a dist-upgrade. I'm not running a newer kernel or Xen, which is what I
had set out to do in the first place.
Anyway, the point I'm trying to make is that because a fresh
compile of my old build tree, a build tree that previously worked,
yields the same crash result, it seems to be somehow related to the
version of gcc or development libraries with which I used to compile it.
The two "Oops"'s I get are:
BUG: warning at
/usr/src/linux-2.6.18-xen.hg/drivers/xen/core/pci.c:28/pci_bus_probe_wrapper()
Call Trace:
[<ffffffff803529a1>] pci_bus_probe_wrapper+0x10b/0x116
[<ffffffff802f9485>] pci_match_device+0x13/0xb9
[<ffffffff80349a11>] driver_probe_device+0x52/0xa4
[<ffffffff80349ad0>] __driver_attach+0x6d/0xa7
[<ffffffff80349a63>] __driver_attach+0x0/0xa7
[<ffffffff8034941e>] bus_for_each_dev+0x43/0x77
[<ffffffff80348ecd>] bus_add_driver+0x73/0x123
[<ffffffff802f972b>] __pci_register_driver+0x4e/0x6f
[<ffffffff80512e4e>] ide_scan_pcibus+0x8b/0x9e
[<ffffffff8051266c>] ide_init+0x58/0x75
[<ffffffff8020715f>] init+0x138/0x3c9
[<ffffffff8020b080>] child_rip+0xa/0x12
[<ffffffff803128ca>] acpi_ds_init_one_object+0x0/0x82
[<ffffffff80207027>] init+0x0/0x3c9
[<ffffffff8020b076>] child_rip+0x0/0x12
--- and:
Unable to handle kernel NULL pointer dereference at 0000000000000000 RIP:
[<ffffffff88214114>] :ipv6:udp_v6_get_port+0x81/0x200
PGD 19a2d067 PUD 19a2e067 PMD 0
Oops: 0000 [1] SMP
CPU 0
Modules linked in: video button ac battery ppp_deflate zlib_deflate
bsd_comp ppp_async crc_ccitt ppp_generic slhc ipt_REDIRECT xt_tcpudp
xt_multiport iptable_nat ip_nat ip_conntrack nfnetlink iptable_filter
ip_tables x_tables ipv6 reiserfs nls_iso8859_1 nls_cp437 vfat fat
serio_raw i2c_i801 intel_rng pcspkr i2c_core tsdev ext3 jbd dm_mirror
dm_snapshot dm_mod sd_mod usb_storage sg sr_mod cdrom usbhid 3w_9xxx
3c59x e1000 mii floppy ehci_hcd ata_piix libata scsi_mod uhci_hcd
usbcore thermal processor fan
Pid: 2964, comm: named Not tainted 2.6.18.8-xen #1
RIP: e030:[<ffffffff88214114>] [<ffffffff88214114>]
:ipv6:udp_v6_get_port+0x81/0x200
RSP: e02b:ffff880019a85e38 EFLAGS: 00010297
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000008000
RDX: 0000000000000000 RSI: 0000000000008000 RDI: 0000000000008000
RBP: 000000000000001c R08: 000000000000ee48 R09: 000000000000807f
R10: 0000000000000008 R11: 0000000000000246 R12: ffff88001b71c3c0
R13: ffff880019a85ec8 R14: 000000000000001c R15: 0000000000000000
FS: 00002b17d2a5f6e0(0063) GS:ffffffff804d9000(0000) knlGS:0000000000000000
CS: e033 DS: 0000 ES: 0000
Process named (pid: 2964, threadinfo ffff880019a84000, task
ffff88001f4c1100)
Stack: 0000000000000000 000000000000001c ffff88001b71c3c0 ffffffff88201a64
0000000000000004 ffffffff80397979 ffff88001b71c3c0 ffff880019a85ed0
0000000000000000 ffff88001b71c698 0000000019a85f54 ffff880019341400
Call Trace:
[<ffffffff88201a64>] :ipv6:inet6_bind+0x1e6/0x2a6
[<ffffffff80397979>] sock_getsockopt+0x2d8/0x2fa
[<ffffffff8039554b>] sys_bind+0x76/0xa6
[<ffffffff88211256>] :ipv6:ipv6_setsockopt+0x3a/0x84
[<ffffffff80394ad7>] sys_setsockopt+0xa5/0xb7
[<ffffffff8020a644>] system_call+0x68/0x6d
[<ffffffff8020a5dc>] system_call+0x0/0x6d
Code: 48 8b 12 0f 18 0a ff c0 3d fe 7f 00 00 7e f1 48 ff c7 44 39
RIP [<ffffffff88214114>] :ipv6:udp_v6_get_port+0x81/0x200
RSP <ffff880019a85e38>
CR2: 0000000000000000
<0>Kernel panic - not syncing: Aiee, killing interrupt handler!
(XEN) Domain 0 crashed: 'noreboot' set - not rebooting.
--
Scott Garron
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