Evgeniy, 2011/2/2 Evgeniy Dushistov <dushistov@xxxxxxx>: [...] > So in our case we reach (during realocation) point when > !page_has_buffers(page) (how?) [...] kernel BUG at fs/ufs/balloc.c:279! invalid opcode: 0000 [#1] PREEMPT SMP last sysfs file: /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-0:1.0/uevent CPU 1 Modules linked in: ufs aes_generic fbcon tileblit font bitblit softcursor rfcomm sco nouveau bridge arc4 iwlagn binfmt_misc iwlcore snd_hda_codec_idt ppdev stp bnep l2cap snd_hda_intel mac80211 snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm ttm snd_seq_dummy drm_kms_helper snd_seq_oss drm joydev snd_seq_midi_event snd_seq cfg80211 btusb psmouse snd_timer snd_seq_device bluetooth uvcvideo videodev v4l2_compat_ioctl32 i2c_algo_bit video snd sony_laptop tifm_7xx1 lp tifm_core output serio_raw intel_agp parport intel_gtt soundcore snd_page_alloc usbhid hid ahci libahci sky2 [last unloaded: v4l2_compat_ioctl32] Pid: 1679, comm: fsstress Not tainted 2.6.37 #244 VAIO/VGN-FZ21M RIP: 0010:[<ffffffffa042a2f9>] [<ffffffffa042a2f9>] ufs_new_fragments+0xed9/0xf20 [ufs] RSP: 0018:ffff88005a91f808 EFLAGS: 00010246 RAX: 010000000000002d RBX: ffff88000ef0e2c0 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000146 RDI: ffffffff8176b26e RBP: ffff88005a91f928 R08: 0000000000000000 R09: ffff88005a9986f8 R10: 0000000000000008 R11: 0000000000000000 R12: ffffea0000d8efd0 R13: 0000000000000004 R14: 0000000000000008 R15: 000000000000000e FS: 00007fa2891ae700(0000) GS:ffff88007f400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f54e12410d8 CR3: 000000006e229000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process fsstress (pid: 1679, threadinfo ffff88005a91e000, task ffff88005a998000) Stack: ffff88005a91f828 0000000000000020 ffff88006a0d3000 0000000000000000 00000008000001bc 0000000000000008 000000085a91f858 0000000000000008 ffff88000ef0e228 0000000e7f5d31d0 0000000000000001 0000000281082d75 Call Trace: [<ffffffffa042ee8c>] ufs_inode_getfrag+0x23c/0x650 [ufs] [<ffffffffa042f7a8>] ufs_getfrag_block+0x508/0x710 [ufs] [<ffffffff815309f5>] ? _raw_spin_unlock+0x35/0x60 [<ffffffff81188de4>] __block_write_begin+0x204/0x640 [<ffffffffa042f2a0>] ? ufs_getfrag_block+0x0/0x710 [ufs] [<ffffffff8110291c>] ? grab_cache_page_write_begin+0x9c/0xc0 [<ffffffffa042f2a0>] ? ufs_getfrag_block+0x0/0x710 [ufs] [<ffffffff81189386>] block_write_begin+0x56/0x90 [<ffffffffa042d404>] ufs_write_begin+0x44/0x80 [ufs] [<ffffffff81104104>] generic_file_buffered_write+0x114/0x2a0 [<ffffffff815348dd>] ? sub_preempt_count+0x9d/0xd0 [<ffffffff811044eb>] __generic_file_aio_write+0x25b/0x490 [<ffffffff81104774>] ? generic_file_aio_write+0x54/0xd0 [<ffffffff81104787>] generic_file_aio_write+0x67/0xd0 [<ffffffff811587ca>] do_sync_write+0xda/0x120 [<ffffffff81044e51>] ? get_parent_ip+0x11/0x50 [<ffffffff8152e425>] ? __mutex_unlock_slowpath+0xf5/0x170 [<ffffffff8126ab63>] ? security_file_permission+0x23/0x90 [<ffffffff81158af0>] vfs_write+0xd0/0x1a0 [<ffffffff811594f4>] sys_write+0x54/0x90 [<ffffffff8100312b>] system_call_fastpath+0x16/0x1b Code: 48 8d 7c 90 34 e8 78 d0 ff ff 44 8b 9d f8 fe ff ff 4c 8b 95 e8 fe ff ff 4c 8b 8d e0 fe ff ff 4c 8b 85 f0 fe ff ff e9 52 f7 ff ff <0f> 0b eb fe 48 8b bb 50 02 00 00 4c 89 e9 48 c7 c2 00 6b 43 a0 RIP [<ffffffffa042a2f9>] ufs_new_fragments+0xed9/0xf20 [ufs] RSP <ffff88005a91f808> Ciao, Alessio -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
