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XFS mounting filesystem sdb1Starting XFS recovery on filesystem: sdb1 (logdev: internal)Unable to handle kernel NULL pointer dereference at 0000000000000007 RIP:<ffffffff8805fe61>{:xfs:pagebuf_offset+33}PGD 7e0f067 PUD 565c067 PMD 0Oops: 0000 [1] PREEMPT SMPCPU 1Modules linked in: aic7xxx scsi_transport_spi snd_pcm_oss snd_mixer_oss sk98lin ohci1394 ieee1394 emu10k1_gp gameport snd_emu10k1 snd_rawmidi snd_seq_device snd_util_mem snd_hwdep nvidia forcedeth snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd snd_page_alloc ehci_hcd i2c_nforce2 xfs exportfsPid: 14889, comm: mount Tainted: P      2.6.15-rc4 #1Pid: 14889, comm: mount Tainted: P      2.6.15-rc4 #1RIP: 0010:[<ffffffff8805fe61>] <ffffffff8805fe61>{:xfs:pagebuf_offset+33}RSP: 0018:ffff8100084e1780  EFLAGS: 00010256RAX: 0000000000000000 RBX: ffff81000372fe68 RCX: 0000000000000000RDX: 0000000000000000 RSI: 0000000000000011 RDI: ffff81000372fe68RBP: ffff81001fbc4400 R08: 0000000000000000 R09: ffff81000372ffe8R10: 0000000000000001 R11: 0000000000000000 R12: ffff81001df63b00R13: ffff810008411980 R14: ffff8100088e00e0 R15: ffff8100088e00d4FS:  00002aaaab0076e0(0000) GS:ffffffff80581880(0000) knlGS:0000000000000000CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003bCR2: 0000000000000007 CR3: 0000000005ead000 CR4: 00000000000006e0Process mount (pid: 14889, threadinfo ffff8100084e0000, task ffff81001c31e8d0)Stack: ffffffff8804c5af ffff810001710760 ffff81001c31e8d0 0000000000000259       000000d9b817f994 ffff81001c20a950 ffff81001c31eae8 0000000000000030       0000000000000001 0000000000000011Call Trace:<ffffffff8804c5af>{:xfs:xlog_recover_process_data+2911}       <ffffffff803bc3d1>{__down+241} <ffffffff8012e3d0>{default_wake_function+0}       <ffffffff8023e600>{kobject_release+0} <ffffffff8804dbfd>{:xfs:xlog_do_recovery_pass+637}       <ffffffff88068b93>{:xfs:cmn_err+275} <ffffffff8804e10b>{:xfs:xlog_recover+219}       <ffffffff880486b2>{:xfs:xfs_log_mount+1474} <ffffffff8804fff8>{:xfs:xfs_mountfs+2712}       <ffffffff8023e600>{kobject_release+0} <ffffffff8023db80>{_atomic_dec_and_lock+48}       <ffffffff88061bad>{:xfs:xfs_setsize_buftarg_flags+61}       <ffffffff88055b85>{:xfs:xfs_mount+2661} <ffffffff88067ec0>{:xfs:linvfs_fill_super+0}       <ffffffff88067f78>{:xfs:linvfs_fill_super+184} <ffffffff803bbff3>{__down_write+51}       <ffffffff80240f0e>{strlcpy+78} <ffffffff801994a2>{get_filesystem+18}       <ffffffff80183256>{sget+950} <ffffffff80183a80>{set_bdev_super+0}       <ffffffff88067ec0>{:xfs:linvfs_fill_super+0} <ffffffff80183bf5>{get_sb_bdev+277}       <ffffffff80183e8b>{do_kern_mount+107} <ffffffff8019b9e0>{do_mount+1776}       <ffffffff80240d51>{__up_read+33} <ffffffff803bd8c9>{do_page_fault+1161}       <ffffffff80157e88>{find_get_pages+120} <ffffffff8015c389>{__alloc_pages+89}       <ffffffff8015c60e>{__get_free_pages+14} <ffffffff8019bdbc>{sys_mount+156}       <ffffffff8010dd36>{system_call+126}Code: 48 0f b6 50 07 48 8b 0c d5 80 ae 58 80 48 ba b7 6d db b6 6dRIP <ffffffff8805fe61>{:xfs:pagebuf_offset+33} RSP <ffff8100084e1780>CR2: 0000000000000007 <2>Hangcheck: hangcheck value past margin!