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SubjectRe: NFS-related oops in 2.4.5
Hi!

> I got this while compiling kernel over NFS.
>
> pavel@bug:/usr/src/linux-acpi$ time make bzImage
> gcc -D__KERNEL__ -I/elf/big/linux-acpi/include -Wall
> -Wstrict-prototypes -O2 -fomit-frame-pointer -fno-strict-aliasing
> -pipe -mpreferred-stack-boundary=2 -march=i386 -DUTS_MACHINE='"i386"'
> -c -o init/version.o init/version.c
> gcc: Internal compiler error: program cpp got fatal signal 11
> make: *** [init/version.o] Error 1
> 0.46user 0.23system 6.09 (0m6.092s) elapsed 11.32%CPU
> pavel@bug:/usr/src/linux-acpi$
>
> And signal 11 was because:
>
> Jun 5 23:00:48 bug kernel: kernel BUG at inode.c:486!
> Jun 5 23:00:48 bug kernel: invalid operand: 0000
> Jun 5 23:00:48 bug kernel: CPU: 0
> Jun 5 23:00:49 bug kernel: EIP: 0010:[clear_inode+51/244]
> Jun 5 23:00:49 bug kernel: EFLAGS: 00010286
> Jun 5 23:00:49 bug kernel: eax: 0000001b ebx: c3c3f480 ecx:
> c231e000 edx: c2f998a0
> Jun 5 23:00:49 bug kernel: esi: c0304880 edi: c36a0f90 ebp:
> c231ff84 esp: c231feb8
> Jun 5 23:00:49 bug kernel: ds: 0018 es: 0018 ss: 0018
> Jun 5 23:00:49 bug kernel: Process cpp (pid: 8457,
> stackpage=c231f000)
> Jun 5 23:00:49 bug kernel: Stack: c029b986 c029b9c5 000001e6 c3c3f480
> c0140a37 c3c3f480 c13f6c80 c3c3f480
> Jun 5 23:00:49 bug kernel: c016c969 c3c3f480 c013e646 c13f6c80
> c3c3f480 c13f6c80 00000000 c0136ed9
> Jun 5 23:00:49 bug kernel: c13f6c80 c231ff34 c0137619 c36a0f90
> c231ff34 00000000 c3285000 00000000
> Jun 5 23:00:49 bug kernel: Call Trace: [iput+327/348]
> [nfs_dentry_iput+33/40] [dput+214/324] [cached_lookup+69/80]
> [path_walk+1317/1916] [open_namei+115/1392] [nfs_file_release+28/36]
> Jun 5 23:00:49 bug kernel: [dput+81/324] [filp_open+46/76]
> [sys_open+53/184] [system_call+51/56]
> Jun 5 23:00:49 bug kernel:
> Jun 5 23:00:49 bug kernel: Code: 0f 0b 83 c4 0c f6 83 f4 00 00 00 10
> 75 19 68 e8 01 00 00 68
>
> Retrying compilation, I get exactly same oops.

Rebooted, retried, still same oops. Reboot to 2.4.0 and it works fine.

(Notice that it is not exactly oops, but BUG().)
Pavel
--
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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