On Thu, 2006-09-14 at 15:22 -0400, poff wrote:
> Following the wiki for creating a domain, and using ramdisk.image.gz from
> Amos,
> usually get the following panic... DomU is then repeatedly restarted, see xm
> list
> also console output at end.
>
> One time I got the 'Bad page state in process 'swapper''... as described in
> wiki.
> However, the 'Bad page' dump kept repeating and after a couple pages, the
> system
> froze.
...
> RAMDISK: Compressed image found at block 0
> Unable to handle kernel paging request for data at address 0x00200200
> Faulting instruction address: 0xc007de34
> Oops: Kernel access of bad area, sig: 11 [#1]
> SMP NR_CPUS=32
> NIP: C007DE34 LR: C007E810 CTR: C0217B9C
> REGS: c07fa9e0 TRAP: 0300 Tainted: GB (2.6.17-Xen)
> MSR: 80001032 CR: 24422524 XER: 6005
> DAR: 00200200, DSISR: 4200
> TASK = c07f67e0[1] 'swapper' THREAD: c07f8000 CPU: 0
> GPR00: 000C C07FAC60 C0658050 C074
> GPR04: 000B C0540A10 00100100 C0540A10
> GPR08: 00100100 C0740028 00200200
> GPR12: 00200200 C0533200
> GPR16: 0001 00020030 0044
> GPR20: 0001 C0544480
> GPR24: 0001 0003 80009032 0002
> GPR28: 0001 0001 C053F880
> NIP [C007DE34] .__rmqueue+0x9c/0x180
> LR [C007E810] .get_page_from_freelist+0x4f4/0x564
> Call Trace:
> [C07FAC60] [C07FAD00] 0xc07fad00 (unreliable)
> [C07FAD60] [C007E90C] .__alloc_pages+0x8c/0x338
> [C07FAE50] [C007AA00] .generic_file_buffered_write+0x184/0x864
> [C07FAFF0] [C007B6F0]
> .__generic_file_aio_write_nolock+0x2b8/0x484
> [C07FB120] [C007BD68] .generic_file_aio_write_nolock+0x30/0xd4
> [C07FB1B0] [C007BE90] .generic_file_write_nolock+0x84/0xd0
> [C07FB310] [C00B3E10] .blkdev_file_write+0x20/0x34
> [C07FB3A0] [C00A6D84] .vfs_write+0xc4/0x1ec
> [C07FB430] [C00A6F88] .sys_write+0x4c/0x90
> [C07FB4D0] [C04EDA80] .flush_window+0x40/0x120
> [C07FB560] [C04EE294] .inflate_codes+0x630/0x65c
> [C07FB670] [C04EECA4] .inflate_dynamic+0x820/0x84c
> [C07FBC80] [C04EFFBC] .rd_load_image+0x12e8/0x1300
> [C07FBDA0] [C04F0224] .initrd_load+0x58/0x3b8
> [C07FBE30] [C04ED214] .prepare_namespace+0xc0/0x18c
> [C07FBEC0] [C00095B0] .init+0x3ec/0x438
> [C07FBF90] [C0025BDC] .kernel_thread+0x4c/0x68
> Instruction dump:
> 3860 eb81ffe0 eba1ffe8 ebc1fff0 ebe1fff8 4e800020 e92a e96a0008
> 7c8407b4 386affd8 7ca72b78 7f84f800 f9690008 7f892030 e80affd8
> <0>Kernel panic - not syncing: Attempted to kill init!
> <0>Rebooting in 180 seconds..lab082:~ #
I haven't seen this. Could you describe your platform (including memory,
steps to reproduce, bug frequency), and attach your xm config file and
boot log to a bug report please?
http://bugzilla.xensource.com/bugzilla/, and assign to me.
Thanks!
--
Hollis Blanchard
IBM Linux Technology Center
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