I'm getting the following kernel oops on my Dom0 when I start DomUs. It
occurs for both Xen 3.0.1 and mercurial xen-unstable.hg. When the oops
occurs the keyboard on Dom0 no longer responds. The DomUs seem stable and I
can still ssh to the both Dom0 and the DomUs, but I can no longer no longer
connect to them via xm console.
I'm running Debian Sarge on a Dual Hyper threaded Xeon 2.4Ghz
Linux version 2.6.16-xen0 (root@xendev) (gcc version 3.3.5 (Debian
1:3.3.5-13))
Here are the steps I follow:
1. xm create centos -c. The DomU starts just fine and I watch it boot.
2. ctrl-] disconnects me from the DomU.
3. 'xm list' generates the following:
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 512 1 r----- 15.7
CentOS_1 1 1024 1 -b---- 10.2
4. 'xm console 1' returns 'xenconsole: Could not open tty `/dev/pts/1': No
such file or directory
I'm not the best at using GDB and don't have the kernel/xen compiled to
generate core dumps.
CPU: 0
EIP: 0061:[<c015eef3>] Not tainted VLI
EFLAGS: 00010296 (2.6.16-xen0 #1)
EIP is at blkdev_put+0x13/0x130
eax: ffffff85 ebx: ffffff85 ecx: 00000000 edx: 00000004
esi: 00000000 edi: dffeb6c0 ebp: dffc7ef0 esp: dffc7ed8
ds: 007b es: 007b ss: 0069
Process events/0 (pid: 4, threadinfo=dffc6000 task=c0aa8a70)
Stack: <0>00000000 d9c64260 00000000 da371860 00000000 dffeb6c0 dffc7f00
c02df2e9
ffffff85 da37183c dffc7f14 c02df11e da371860 da37183c da37189c
dffc7f44
c0128724 da37183c dffc7f30 c0aa8eec dffeb6d8 dffeb6c8 da37183c
c02df100
Call Trace:
[<c010513a>] show_stack_log_lvl+0xaa/0xe0
[<c010535e>] show_registers+0x18e/0x1f0
[<c0105549>] die+0xd9/0x180
[<c0105eae>] do_general_protection+0xce/0x100
[<c0104d6f>] error_code+0x2b/0x30
[<c02df2e9>] vbd_free+0x29/0x30
[<c02df11e>] free_blkif+0x1e/0x80
[<c0128724>] run_workqueue+0x84/0x120
[<c01288fa>] worker_thread+0x13a/0x160
[<c012bf9d>] kthread+0xad/0xc0
[<c0102d69>] kernel_thread_helper+0x5/0xc
Code: 14 fa ff ff 89 c3 31 c0 85 db 74 da 89 3c 24 e8 04 00 00 00 89 d8 eb
ce 55 89 e5 57 56 53 83 ec 0c 8b 5d 08 c7 45 f0 00 00 00 00 <8b> 73 04 8b 7b
50 ff 4b 0c 0f 88 48 04 00 00 8b 43 08 48 85 c0
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