Andrew Morton <[email protected]> writes:
> On Tue, 20 Nov 2007 14:46:59 +0000
> Andy Whitcroft <[email protected]> wrote:
>
>> I have one powerpc machine which managed to compile this snapshot! It
>> paniced on boot as below, might be nfs so copied them. General results
>> are popping out on TKO.
>>
>> -apw
>>
>> Freeing initrd memory: 1224k freed
>> Installing knfsd (copyright (C) 1996 [email protected]).
>> Unable to handle kernel paging request for data at address 0x00000050
>> Faulting instruction address: 0xc000000000113b64
>> Oops: Kernel access of bad area, sig: 11 [#1]
>> SMP NR_CPUS=32 NUMA pSeries
>> Modules linked in:
>> NIP: c000000000113b64 LR: c000000000113b44 CTR: 0000000000000000
>> REGS: C00000077E0679D0 TRAP: 0300 Not tainted (2.6.24-rc3-mm1-autokern1)
>> MSR: 8000000000009032 <EE,ME,IR,DR> CR: 24004044 XER: 20000000
>> DAR: 0000000000000050, DSISR: 0000000040000000
>> TASK = C00000077E062000[1] 'swapper' THREAD: C00000077E064000 CPU: 0
>> GPR00: 0000000000000000 c00000077e067c50 c0000000006c5650 0000000000000001
>> GPR04: c00000077e625bdc 0000000000000005 c000000000501ad4 c000000000731d18
>> GPR08: 0000000000000000 0000000000000000 c00000077e625b40 0000000000000001
>> GPR12: 0000000024004044 c0000000005fd000 0000000000000000 0000000000000000
>> GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
>> GPR20: 4000000003a00000 0000000004300000 0000000003fb94a8 0000000000132000
>> GPR24: 0000000003fb9718 0000000000000000 c0000000005b6e70 0000000000000000
>> GPR28: 0000000000000005 c00000077e625b40 c000000000652e48 c00000077e625c50
>> NIP [c000000000113b64] .remove_proc_entry+0xac/0x234
>> LR [c000000000113b44] .remove_proc_entry+0x8c/0x234
>> Call Trace:
>> [c00000077e067c50] [c000000000113b44] .remove_proc_entry+0x8c/0x234
> (unreliable)
>> [c00000077e067d10] [c00000000048bf28] .cache_unregister+0x108/0x1b4
>> [c00000077e067d90] [c0000000001ca988] .nfsd_export_shutdown+0x50/0xa4
>> [c00000077e067e10] [c0000000005a712c] .init_nfsd+0x108/0x13c
>> [c00000077e067ea0] [c000000000582438] .kernel_init+0x224/0x3fc
>> [c00000077e067f90] [c000000000026204] .kernel_thread+0x4c/0x68
>> Instruction dump:
>> e8bf0000 e8810090 7f83e378 4bfffd25 2f830000 419e0018 ebbf0000 e81d0050
>> f81f0000 38000000 f81d0050 e93f0000 <e8090050> 3be90050 2fa00000 409effc4
>> Kernel panic - not syncing: Attempted to kill init!
>
> Various people have been mucking with procfs core:
>
> proc-remove-module_license.patch
> proc-less-lock-operations-during-lookup.patch
> proc-simplify-function-prototypes.patch
> proc-remove-useless-check-on-symlink-removal.patch
> proc-remove-useless-checks-in-proc_register.patch
> proc-detect-duplicate-names-on-registration.patch
> proc-detect-duplicate-names-on-registration-fix.patch
> proc-simplify-remove_proc_entry-wrt-locking.patch
> proc-simplify-remove_proc_entry-wrt-locking-checkpatch-fixes.patch
> proc-implement-proc_single_file_operations.patch
> proc-rewrite-do_task_stat-to-correctly-handle-pid-namespaces.patch
> proc-seqfile-convert-proc_pid_statm.patch
> proc-proper-pidns-handling-for-proc-self.patch
These last four are all affect proc/base not proc/generic so they should
have no affect on this issue. Those two are almost entirely separate
filesystems.
> And I had to skip a couple of patches due to conflicts.
>
> I'll see if it happens on any of my test machines.
If I get a bit more I will look more closely. I'm right on
the edge of figuring out how to really slicing /proc into multiple filesystems
at the moment.
Eric
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
