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Subject2.2.17+reiserfs crash
Date
I just got two separate crashes using 2.2.17 and reiserfs.

H/W:
FIC-SD11 with K7-700, 384MB of RAM
Dlink Quad Ethernet card (tulip)

The first one:
find . -print | cpio -C 4096 -pumd /newplace
i.e., copying a rather large directory tree from one disk to another
disk (note: NOT another paritition) Both disks have reiserfs partitions on
them.

Here is the Oops info
Unable to handle kernel NULL pointer dereference at virtual address
00000048
current->tss.cr3 = 14d71000, %cr3 = 14d71000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[do_generic_file_read+1138/1400]
EFLAGS: 00010206
eax: 00000044 ebx: d7bffc08 ecx: 00000000 edx: cbeffc08
esi: c0430ff8 edi: 00000000 ebp: c9cfb1a0 esp: d4f3bedc
ds: 0018 es: 0018 ss: 0018
Process cpio (pid: 334, process nr: 48, stackpage=d4f3b000)
Stack: 00000000 c9cfb1a0 0000001b c4e74eed 00000001 c012bf16
d4d31960 d4f3bdec
00000042 bffff7dc 00000001 00000000 00000000 cbeffc08 08055030
fffffff4
d4f3bf48 c011ccd7 c9cfb1a0 c9cfb1b4 d4f3bf44 c011cc2c cbff03a0
c9cfb1b4
Call Trace: [do_follow_link+134/148]
[generic_file_read+91/116]
[file_read_actor+0/80]
[nfs_file_read+122/136]
[sys_read+178/208]
[common_interrupt+24/32]
[system_call+52/64]
Code: 89 70 04 8b 4c 24 3c 89 71 78 ff 05 00 5c 21 c0 8b 03 89 46

The second one:
find NFS_MOUNTED_DIR -print | cpio -C 4096 -pumd /newplace2
NFS_MOUNTED_DIR comes from a giant NETAPP box. I'm sure I'm doing
NFSv2.
/newplace2 is a different partition on an IDE drive with reiserfs on
it.

Code: <1>Unable to handle kernel paging request at virtual addr
ess 65146653
current->tss.cr3 = 1075e000, %cr3 = 1075e000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[show_registers+578/632]
EFLAGS: 00010093
eax: 65146653 ebx: 00000000 ecx: cffbdee0 edx: cffbdee0
esi: 0000002b edi: cffbe000 ebp: d8800000 esp: cffbde28
ds: 0018 es: 0018 ss: 0018
Process smbd (pid: 962, process nr: 48, stackpage=cffbd000)
Stack: cffbdee0 65146653 d5d1e3d8 cffbc000 cffbdee0 65146653 d5d1e3d8
d9000000
00000096 00000001 c0234d0e c010958d cffbdee0 c01e133c c0234d16 c0109584
c01df956 c01e134e 00000000 cffbc000 00000000 00000001 c0234d16 00000013
Call Trace: [<d9000000>]
[die+57/72]
[stext_lock+13196/13488]
[die+48/72]
[stext_lock+6566/13488]
[stext_lock+13214/13488]
[stext_lock+13136/13488]
[do_page_fault+729/992]
[stext_lock+13214/13488]
[free_pages+39/44]
[nfs_proc_readdir+231/244]
[error_code+45/64]
[sys_getdents+166/236]
[filldir+0/136]
[sys_newfstat+125/140]
[error_code+45/64]
[system_call+52/64]
Code: 8a 04 03 25 ff 00 00 00 50 68 4e f9 1d c0 e8 37 a1 00 00 83

I'd be happy to supply more info if needed.

I want to duplicate this problem repeatably, but since the machine is in
production as an SMB, NFS and CVS server, I don't have the courage for doing
something like this.

I have lost faith in reiserfs. So, I'll rebuild the kernel and move back to
EXT2.

Thanks,
Sudhi Herle
Staff Engineer
Samsung Telecom America
sherle@sta.samsung.com

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