Re: 2.6.0-test8-mm1

From: Thomas Schlichter
Date: Mon Oct 20 2003 - 11:12:34 EST


On Monday 20 October 2003 11:05, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test8/2
>.6.0-test8-mm1
>
>
> . Included a much updated fbdev patch. Anyone who is using framebuffers,
> please test this.
>
> . Quite a large number of stability fixes.

I've got a problem with NFS!
If the kernel NFS server (nfs-utils 1.0.6) is started I get following Oops:

Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx).
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c0163c36
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
CPU: 0
EIP: 0060:[invalidate_list+37/211] Not tainted VLI
EFLAGS: 00010203
EIP is at invalidate_list+0x25/0xd3
eax: cded1e00 ebx: c13a80c0 ecx: c02e83a0 edx: cf35c000
esi: 00000000 edi: cf35df38 ebp: 00000000 esp: cf35df10
ds: 007b es: 007b ss: 0068
Process exportfs (pid: 1029, threadinfo=cf35c000 task=cefac0c0)
Stack: 00000000 00000000 cded1e00 cf35c000 cf35df38 cffe7c88 c0163d22 c02e8390
cded1e00 cf35df38 cf35df38 cf35df38 cd584980 cded1e00 c02e8640 cffe7c88
c01542f9 cded1e00 0000000e cf35c000 d1a2fde0 c0154bca cded1e00 cded1e00
Call Trace:
[invalidate_inodes+62/162] invalidate_inodes+0x3e/0xa2
[generic_shutdown_super+109/375] generic_shutdown_super+0x6d/0x177
[kill_anon_super+14/56] kill_anon_super+0xe/0x38
[deactivate_super+82/144] deactivate_super+0x52/0x90
[__fput+228/235] __fput+0xe4/0xeb
[sys_nfsservctl+257/267] sys_nfsservctl+0x101/0x10b
[syscall_call+7/11] syscall_call+0x7/0xb

Code: fb ff 5b 5e 5f c3 55 31 ed 57 56 53 50 50 8b 44 24 1c 8b 7c 24 24 c7 04
24
<6>note: exportfs[1029] exited with preempt_count 2
bad: scheduling while atomic!
Call Trace:
[schedule+60/1207] schedule+0x3c/0x4b7
[unmap_vmas+336/471] unmap_vmas+0x150/0x1d7
[exit_mmap+104/339] exit_mmap+0x68/0x153
[mmput+123/184] mmput+0x7b/0xb8
[do_exit+345/836] do_exit+0x159/0x344
[do_divide_error+0/167] do_divide_error+0x0/0xa7
[do_page_fault+784/1105] do_page_fault+0x310/0x451
[update_process_times+41/47] update_process_times+0x29/0x2f
[update_wall_time+11/51] update_wall_time+0xb/0x33
[do_timer+76/193] do_timer+0x4c/0xc1
[do_timer_interrupt+55/224] do_timer_interrupt+0x37/0xe0
[timer_interrupt+40/71] timer_interrupt+0x28/0x47
[rcu_process_callbacks+203/220] rcu_process_callbacks+0xcb/0xdc
[tasklet_action+58/89] tasklet_action+0x3a/0x59
[profile_hook+28/49] profile_hook+0x1c/0x31
[do_page_fault+0/1105] do_page_fault+0x0/0x451
[error_code+47/56] error_code+0x2f/0x38
[invalidate_list+37/211] invalidate_list+0x25/0xd3
[invalidate_inodes+62/162] invalidate_inodes+0x3e/0xa2
[generic_shutdown_super+109/375] generic_shutdown_super+0x6d/0x177
[kill_anon_super+14/56] kill_anon_super+0xe/0x38
[deactivate_super+82/144] deactivate_super+0x52/0x90
[__fput+228/235] __fput+0xe4/0xeb
[sys_nfsservctl+257/267] sys_nfsservctl+0x101/0x10b
[syscall_call+7/11] syscall_call+0x7/0xb


It just worked smoothly with 2.6.0-test7-mm1!

Regards
Thomas

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