Messages in this thread | | | Date | Mon, 13 Mar 2006 00:33:19 +0100 | From | Laurent Riffard <> | Subject | Re: 2.6.16-rc6-mm1: BUG at fs/sysfs/inode.c:180 |
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Le 12.03.2006 23:55, Alexey Dobriyan a écrit : > On Sun, Mar 12, 2006 at 07:45:05PM +0100, Laurent Riffard wrote: > >>This kernel hangs on boot while trying to activate logical >>volumes from initrd: >> >>------------[ cut here ]------------ >>kernel BUG at fs/sysfs/inode.c:180! >>invalid opcode: 0000 [#1] >>last sysfs file: /block/ram0/dev >>Modules linked in: dm_mirror dm_mod >>CPU: 0 >>EIP: 0060:[<c0172e71>] Not tainted VLI >>EFLAGS: 00010246 (2.6.16-rc6-mm1 #123) >>EIP is at sysfs_get_name+0xd/0x46 >>eax: c15a49c8 ebx: dfe2b988 ecx: dff254d8 edx: c15a49cc >>esi: dfe87b05 edi: dfe2b988 ebp: dfe67d28 esp: dfe67d28 >>ds: 007b es: 007b ss: 0068 >>Process vgchange (pid: 242, threadinfo=dfe67000 task=dfe175d0) >>Stack: <0>dfe67d44 c01738c3 dffdc4b4 c15a49c8 dfe2b988 ffffffef dfe2b98d dfe67d60 >> c0173dcd dff2a804 dfe2b984 dfe2b984 00000001 fffffffe dfe67d74 c0173f3b >> dfe67d6c c15a84d4 dfe2b984 dfe67d90 c01a33fd c03242d0 00000004 dfe2b8f8 >>Call Trace: >> [<c0103a31>] show_stack_log_lvl+0x8b/0x95 >> [<c0103b69>] show_registers+0x12e/0x194 >> [<c0103e62>] die+0x14e/0x1db >> [<c01040ba>] do_trap+0x7c/0x96 >> [<c0104319>] do_invalid_op+0x89/0x93 >> [<c01034db>] error_code+0x4f/0x54 >> [<c01738c3>] sysfs_dirent_exist+0x1c/0x65 >> [<c0173dcd>] create_dir+0x55/0x17d >> [<c0173f3b>] sysfs_create_dir+0x46/0x61 >> [<c01a33fd>] kobject_add+0xa4/0x14c >> [<c017267e>] register_disk+0x4b/0xe9 >> [<c019c28c>] add_disk+0x2e/0x3d >> [<e08198a5>] create_aux+0x27e/0x2d7 [dm_mod] >> [<e081991d>] dm_create+0xe/0x10 [dm_mod] >> [<e081c317>] dev_create+0x4a/0x239 [dm_mod] >> [<e081c18c>] ctl_ioctl+0x203/0x238 [dm_mod] >> [<c0156648>] do_ioctl+0x3c/0x4f >> [<c0156851>] vfs_ioctl+0x1f6/0x20d >> [<c0156892>] sys_ioctl+0x2a/0x44 >> [<c01029bb>] sysenter_past_esp+0x54/0x75 >>Code: 0b 30 01 72 85 28 c0 ff 06 31 db eb 07 89 f8 e8 d1 8d fe ff 83 c4 10 89 d8 5b 5e 5f c9 c3 55 85 c0 89 e5 74 06 83 78 14 00 75 08 <0f> 0b b4 00 73 d3 28 c0 8b 50 18 83 fa 08 74 22 7f 0a 83 fa 02 >> BUG: vgchange/242, lock held at task exit time! >> [dff25548] {inode_init_once} >>.. held by: vgchange: 242 [dfe175d0, 102] >>... acquired at: create_dir+0x1d/0x17d >> >> >>There was no such problems with 2.6.16-rc5-mm3, I didn't change my >>kernel config. > > > Does reverting this patch make it work? > > BTW, sysfs_dirent_exist() should return 0 or 1. > ---------------------------------------------------------------- > The following patch checks for existing sysfs_dirent before > preparing new one while creating sysfs directories and files. > > Signed-off-by: Maneesh Soni <maneesh@in.ibm.com> > Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> > --- > fs/sysfs/dir.c | 30 +++++++++++++++++++++++++++++- > fs/sysfs/file.c | 6 ++++-- > fs/sysfs/symlink.c | 5 +++-- > fs/sysfs/sysfs.h | 1 + > 4 files changed, 37 insertions(+), 5 deletions(-) > [patch trimmed]
Yes, reverting this patch solved the problem, thanks.
If you need more tests, feel free to ask. -- laurent - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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