Le 18.03.2006 13:40, Andrew Morton a écrit :
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc6/2.6.16-rc6-mm2/
 
Hello, 

This BUG is 100% reproducible. Simply boot to runlevel 1 and then 
unmount a reiser4 fs:

------------[ cut here ]------------
kernel BUG at fs/inode.c:1146!
invalid opcode: 0000 [#1]
last sysfs file: /firmware/edd/int13_dev81/legacy_max_head
Modules linked in: floppy ide_cd cdrom loop aes dm_crypt nls_iso8859_1 nls_cp850 vfat fat reiser4 reiserfs raid1 md_mod via_agp agpgart video joydev usbhid ohci1394 ieee1394 uhci_hcd usbcore dm_mirror dm_mod
CPU:    0
EIP:    0060:[<c015af27>]    Not tainted VLI
EFLAGS: 00010246   (2.6.16-rc6-mm2 #130) 
EIP is at iput+0x1c/0x6a
eax: c031efa0   ebx: c15fe2f4   ecx: de85e958   edx: de85e958
esi: c15fe260   edi: c1720c00   ebp: da2f2ea0   esp: da2f2e9c
ds: 007b   es: 007b   ss: 0068
Process umount (pid: 3002, threadinfo=da2f2000 task=dff43a70)
Stack: <0>de85e85c da2f2eb0 c014daa6 de85e85c de85e9a8 da2f2ec0 c015b5aa de85e85c 
       df79c200 da2f2ed0 c015bacc de85e85c df79c400 da2f2edc c015af72 c1720c00 
       da2f2ee8 e0cbc2a3 df79c200 da2f2efc e0cc2079 df79c200 df79c248 c1720df8 
Call Trace:
 [<c0103a36>] show_stack_log_lvl+0x8b/0x95
 [<c0103b6e>] show_registers+0x12e/0x194
 [<c0103e67>] die+0x14e/0x1db
 [<c01040bf>] do_trap+0x7c/0x96
 [<c010431e>] do_invalid_op+0x89/0x93
 [<c01034db>] error_code+0x4f/0x54
 [<c014daa6>] bd_forget+0x63/0x67
 [<c015b5aa>] clear_inode+0xb1/0xd2
 [<c015bacc>] generic_drop_inode+0x107/0x119
 [<c015af72>] iput+0x67/0x6a
 [<e0cbc2a3>] done_formatted_fake+0x99/0xa8 [reiser4]
 [<e0cc2079>] reiser4_put_super+0xec/0x11b [reiser4]
 [<c014c862>] generic_shutdown_super+0x80/0x11a
 [<c014c91c>] kill_block_super+0x20/0x32
 [<c014ca89>] deactivate_super+0x51/0x64
 [<c015cc17>] mntput_no_expire+0x38/0x4b
 [<c0151e39>] path_release_on_umount+0x15/0x18
 [<c015d8d9>] sys_umount+0x1ca/0x1d4
 [<c01029bb>] sysenter_past_esp+0x54/0x75
Code: 89 03 74 03 89 58 04 89 1a 89 53 04 5b c9 c3 55 85 c0 89 e5 53 89 c3 74 5d 83 bb 4c 01 00 00 20 8b 80 a8 00 00 00 8b 40 20 75 08 <0f> 0b 7a 04 ac c0 28 c0 85 c0 74 0b 8b 50 14 85 d2 74 04 89 d8 
 BUG: warning at kernel/exit.c:847/do_exit()
 [<c0103c0a>] show_trace+0xd/0xf
 [<c0103c21>] dump_stack+0x15/0x17
 [<c011823d>] do_exit+0x3d/0x65b
 [<c0103eec>] die+0x1d3/0x1db
 [<c01040bf>] do_trap+0x7c/0x96
 [<c010431e>] do_invalid_op+0x89/0x93
 [<c01034db>] error_code+0x4f/0x54
 [<c014daa6>] bd_forget+0x63/0x67
 [<c015b5aa>] clear_inode+0xb1/0xd2
 [<c015bacc>] generic_drop_inode+0x107/0x119
 [<c015af72>] iput+0x67/0x6a
 [<e0cbc2a3>] done_formatted_fake+0x99/0xa8 [reiser4]
 [<e0cc2079>] reiser4_put_super+0xec/0x11b [reiser4]
 [<c014c862>] generic_shutdown_super+0x80/0x11a
 [<c014c91c>] kill_block_super+0x20/0x32
 [<c014ca89>] deactivate_super+0x51/0x64
 [<c015cc17>] mntput_no_expire+0x38/0x4b
 [<c0151e39>] path_release_on_umount+0x15/0x18
 [<c015d8d9>] sys_umount+0x1ca/0x1d4
 [<c01029bb>] sysenter_past_esp+0x54/0x75
BUG: umount/3002, lock held at task exit time!
 [df79c248] {alloc_super}
.. held by:            umount: 3002 [dff43a70, 124]
... acquired at:               generic_shutdown_super+0x56/0x11a


2.6.16-rc6-mm1 was OK with the same config file (I did "make oldconfig" 
before compiling 2.6.16-rc6-mm2).

Attached files:
- full dmesg
- .config

~~
laurent