From: Edward Shishkin <edward.shishkin@gmail.com>
To: Arend Freije <afreije@inn.nl>
Cc: reiserfs-devel@vger.kernel.org
Subject: Re: Reiser4: BUG: unable to handle kernel NULL pointer dereference
Date: Tue, 27 Nov 2012 15:21:51 +0100 [thread overview]
Message-ID: <50B4CC7F.7040704@gmail.com> (raw)
In-Reply-To: <50B4B991.2050604@inn.nl>
Thanks for the report.
Edward.
On 11/27/2012 02:01 PM, Arend Freije wrote:
> Hi,
>
> Since the adaption of Reiser4 for VFS my system has become less
> stable. The filesystems get corrupted, files lost. e.g./etc/passwd
> recently, :(
> , kernel Oopses and NULL pointer dereferences in the kernel. I
> converted the Reiser4 partitions to ext4, and the system has become
> stable.
> Mount options were pretty straightforward, with noatime, and no
> encryption nor compression.
> Unfortunately I have no time to play around with debugging, so I'll
> stick to ext4 for the moment.
>
> The NULL pointer dereference traces look like this:
>
> ov 26 11:31:05 afdesk02 kernel: [15780.132525] BUG: unable to handle
> kernel NULL pointer dereference at 0000000000000052
> Nov 26 11:31:05 afdesk02 kernel: [15780.132655] IP:
> [<ffffffff813ceb18>] _raw_spin_lock+0x18/0x40
> Nov 26 11:31:05 afdesk02 kernel: [15780.132752] PGD 1132f4067 PUD
> 11655b067 PMD 0
> Nov 26 11:31:05 afdesk02 kernel: [15780.132841] Oops: 0002 [#4]
> PREEMPT SMP
> Nov 26 11:31:05 afdesk02 kernel: [15780.132921] Modules linked in:
> ipv6 af_packet dm_mod radeonfb fb_ddc intel_agp intel_gtt rtc joydev
> hid_sunplus usbhid hid radeon 8250_pnp ppdev parport_pc powernow_k8
> ttm mperf drm_kms_helper ohci_hcd 8250 snd_hda_codec_hdmi serial_core
> ata_generic pata_acpi drm kvm snd_hda_codec_via parport processor
> button ghash_clmulni_intel snd_hda_intel sg xhci_hcd pata_atiixp
> snd_hda_codec i2c_algo_bit r8169 cfbcopyarea ehci_hcd evdev i2c_piix4
> cfbimgblt cfbfillrect pcspkr snd_hwdep psmouse shpchp snd_pcm usbcore
> serio_raw cryptd pci_hotplug usb_common snd_timer snd mii soundcore
> microcode snd_page_alloc unix
> Nov 26 11:31:05 afdesk02 kernel: [15780.134068] CPU 0
> Nov 26 11:31:05 afdesk02 kernel: [15780.134104] Pid: 3779, comm:
> flush-9:1 Tainted: G D 3.6.4-reiser4 #1 System manufacturer
> System Product Name/M5A78L-M/USB3
> Nov 26 11:31:05 afdesk02 kernel: [15780.134280] RIP:
> 0010:[<ffffffff813ceb18>] [<ffffffff813ceb18>] _raw_spin_lock+0x18/0x40
> Nov 26 11:31:05 afdesk02 kernel: [15780.134406] RSP:
> 0018:ffff8801010d9af0 EFLAGS: 00010202
> Nov 26 11:31:05 afdesk02 kernel: [15780.134485] RAX: 0000000000000100
> RBX: ffffea0004169b40 RCX: 0000000000000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.134587] RDX: ffffea0004169b40
> RSI: ffff8801010d9aa0 RDI: 0000000000000052
> Nov 26 11:31:05 afdesk02 kernel: [15780.134688] RBP: ffff8801010d9af0
> R08: 0000000000003280 R09: 0000000000000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.134789] R10: 0000000000000000
> R11: 0000000000000006 R12: 0000000000000002
> Nov 26 11:31:05 afdesk02 kernel: [15780.134889] R13: 0000000000000052
> R14: ffff88010b762900 R15: ffff8801097cda20
> Nov 26 11:31:05 afdesk02 kernel: [15780.134991] FS:
> 00007f27d0fec880(0000) GS:ffff88011ec00000(0000) knlGS:0000000000000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.135106] CS: 0010 DS: 0000 ES:
> 0000 CR0: 000000008005003b
> Nov 26 11:31:05 afdesk02 kernel: [15780.135198] CR2: 0000000000000052
> CR3: 0000000113fc9000 CR4: 00000000000407f0
> Nov 26 11:31:05 afdesk02 kernel: [15780.135300] DR0: 0000000000000000
> DR1: 0000000000000000 DR2: 0000000000000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.135401] DR3: 0000000000000000
> DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Nov 26 11:31:05 afdesk02 kernel: [15780.135502] Process flush-9:1
> (pid: 3779, threadinfo ffff8801010d8000, task ffff880119fa2520)
> Nov 26 11:31:05 afdesk02 kernel: [15780.135621] Stack:
> Nov 26 11:31:05 afdesk02 kernel: [15780.135654] ffff8801010d9ba0
> ffffffff81197305 0000000000000001 ffff880100000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.135784] ffff8801010d9d10
> 0000000000001d70 ffff8801097cd8c8 ffff8801097cd7c0
> Nov 26 11:31:05 afdesk02 kernel: [15780.135915] ffff880119fa2520
> 0000000000005079 ffff8801097cda10 ffff8801097cd838
> Nov 26 11:31:05 afdesk02 kernel: [15780.136044] Call Trace:
> Nov 26 11:31:05 afdesk02 kernel: [15780.136088] [<ffffffff81197305>]
> writepages_unix_file+0x305/0x4e0
> Nov 26 11:31:05 afdesk02 kernel: [15780.136183] [<ffffffff8118e045>]
> reiser4_writepages+0x25/0x30
> Nov 26 11:31:05 afdesk02 kernel: [15780.136271] [<ffffffff810c1e3b>]
> do_writepages+0x1b/0x30
> Nov 26 11:31:05 afdesk02 kernel: [15780.136353] [<ffffffff8112a59e>]
> __writeback_single_inode.clone.26+0x3e/0x130
> Nov 26 11:31:05 afdesk02 kernel: [15780.136460] [<ffffffff8112ab65>]
> generic_writeback_sb_inodes+0x1d5/0x340
> Nov 26 11:31:05 afdesk02 kernel: [15780.136559] [<ffffffff81189f4d>]
> reiser4_writeback_inodes+0x8d/0x140
> Nov 26 11:31:05 afdesk02 kernel: [15780.136653] [<ffffffff8112b3ad>]
> writeback_sb_inodes+0x8d/0xb0
> Nov 26 11:31:05 afdesk02 kernel: [15780.136739] [<ffffffff8112b560>]
> wb_writeback+0xd0/0x1e0
> Nov 26 11:31:05 afdesk02 kernel: [15780.136819] [<ffffffff8112b79c>]
> wb_do_writeback+0x9c/0x1c0
> Nov 26 11:31:05 afdesk02 kernel: [15780.136906] [<ffffffff81044496>] ?
> lock_timer_base.clone.30+0x36/0x70
> Nov 26 11:31:05 afdesk02 kernel: [15780.137002] [<ffffffff8112b94a>]
> bdi_writeback_thread+0x8a/0x160
> Nov 26 11:31:05 afdesk02 kernel: [15780.137091] [<ffffffff8112b8c0>] ?
> wb_do_writeback+0x1c0/0x1c0
> Nov 26 11:31:05 afdesk02 kernel: [15780.137177] [<ffffffff8112b8c0>] ?
> wb_do_writeback+0x1c0/0x1c0
> Nov 26 11:31:05 afdesk02 kernel: [15780.137265] [<ffffffff81055186>]
> kthread+0x96/0xa0
> Nov 26 11:31:05 afdesk02 kernel: [15780.137338] [<ffffffff813d0ab4>]
> kernel_thread_helper+0x4/0x10
> Nov 26 11:31:05 afdesk02 kernel: [15780.137426] [<ffffffff810550f0>] ?
> kthread_freezable_should_stop+0x60/0x60
> Nov 26 11:31:05 afdesk02 kernel: [15780.137528] [<ffffffff813d0ab0>] ?
> gs_change+0xb/0xb
> Nov 26 11:31:05 afdesk02 kernel: [15780.137601] Code: 48 89 e5 e8 7b
> fe ff ff c9 c3 90 90 90 90 90 90 90 90 90 55 65 48 8b 04 25 08 b8 00
> 00 48 89 e5 ff 80 44 e0 ff ff b8 00 01 00 00 <f0> 66 0f c1 07 0f b6 d4
> 38 c2 74 0d 0f 1f 40 00 f3 90 0f b6 07
> Nov 26 11:31:05 afdesk02 kernel: [15780.138344] RIP
> [<ffffffff813ceb18>] _raw_spin_lock+0x18/0x40
> Nov 26 11:31:05 afdesk02 kernel: [15780.138441] RSP <ffff8801010d9af0>
> Nov 26 11:31:05 afdesk02 kernel: [15780.138495] CR2: 0000000000000052
> Nov 26 11:31:05 afdesk02 kernel: [15780.138546] ---[ end trace
> 792199483cf446de ]---
>
>
> Nov 26 11:30:14 afdesk02 kernel: [15729.205316] BUG: unable to handle
> kernel NULL pointer dereference at 00000000000002e3
> Nov 26 11:30:14 afdesk02 kernel: [15729.211462] IP:
> [<ffffffff811aa2ee>] rem_entry_cde+0x1e/0x110
> Nov 26 11:30:14 afdesk02 kernel: [15729.217619] PGD 116519067 PUD
> 11651a067 PMD 0
> Nov 26 11:30:14 afdesk02 kernel: [15729.223776] Oops: 0000 [#3]
> PREEMPT SMP
> Nov 26 11:30:14 afdesk02 kernel: [15729.229911] Modules linked in:
> ipv6 af_packet dm_mod radeonfb fb_ddc intel_agp intel_gtt rtc joydev
> hid_sunplus usbhid hid radeon 8250_pnp ppdev parport_pc powernow_k8
> ttm mperf drm_kms_helper ohci_hcd 8250 snd_hda_codec_hdmi serial_core
> ata_generic pata_acpi drm kvm snd_hda_codec_via parport processor
> button ghash_clmulni_intel snd_hda_intel sg xhci_hcd pata_atiixp
> snd_hda_codec i2c_algo_bit r8169 cfbcopyarea ehci_hcd evdev i2c_piix4
> cfbimgblt cfbfillrect pcspkr snd_hwdep psmouse shpchp snd_pcm usbcore
> serio_raw cryptd pci_hotplug usb_common snd_timer snd mii soundcore
> microcode snd_page_alloc unix
> Nov 26 11:30:14 afdesk02 kernel: [15729.243556] CPU 1
> <4>[15729.243561] Pid: 3428, comm: Cache I/O Tainted: G D
> 3.6.4-reiser4 #1 System manufacturer System Product Name/M5A78L-M/USB3
> Nov 26 11:30:14 afdesk02 kernel: [15729.243563] RIP:
> 0010:[<ffffffff811aa2ee>] [<ffffffff811aa2ee>] rem_entry_cde+0x1e/0x110
> Nov 26 11:30:14 afdesk02 kernel: [15729.243570] RSP:
> 0018:ffff8800c325bd58 EFLAGS: 00010282
> Nov 26 11:30:14 afdesk02 kernel: [15729.243571] RAX: 0000000000000270
> RBX: ffff880119f0f250 RCX: 0000000000000000
> Nov 26 11:30:14 afdesk02 kernel: [15729.243572] RDX: ffffffff81528660
> RSI: 00000000000002df RDI: ffff880119f0f250
> Nov 26 11:30:14 afdesk02 kernel: [15729.243574] RBP: ffff8800c325bdc8
> R08: 0000000000000001 R09: ce00000000000000
> Nov 26 11:30:14 afdesk02 kernel: [15729.243575] R10: a8000b97e7000000
> R11: dead000000100100 R12: 00000000000002df
> Nov 26 11:30:14 afdesk02 kernel: [15729.243577] R13: ffff8800cf9f0200
> R14: ffff880119f0f250 R15: 0000000000000c5b
> Nov 26 11:30:14 afdesk02 kernel: [15729.243579] FS:
> 00007f0468ffe700(0000) GS:ffff88011ec40000(0000) knlGS:0000000000000000
> Nov 26 11:30:14 afdesk02 kernel: [15729.243581] CS: 0010 DS: 0000 ES:
> 0000 CR0: 0000000080050033
> Nov 26 11:30:14 afdesk02 kernel: [15729.243582] CR2: 00000000000002e3
> CR3: 000000010b526000 CR4: 00000000000407e0
> Nov 26 11:30:14 afdesk02 kernel: [15729.243583] DR0: 0000000000000000
> DR1: 0000000000000000 DR2: 0000000000000000
> Nov 26 11:30:14 afdesk02 kernel: [15729.243585] DR3: 0000000000000000
> DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Nov 26 11:30:14 afdesk02 kernel: [15729.243587] Process Cache I/O
> (pid: 3428, threadinfo ffff8800c325a000, task ffff880119872520)
> Nov 26 11:30:14 afdesk02 kernel: [15729.243587] Stack:
> Nov 26 11:30:14 afdesk02 kernel: [15729.243589] ffff8800c325bd68
> ffff880112bc0d80 ffff8800c325bdb8 ffffffff81170abb
> Nov 26 11:30:14 afdesk02 kernel: [15729.243592] ffff880119f0f240
> ffff880100000000 ffff8800c325bd98 ffff880112bc0d80
> Nov 26 11:30:14 afdesk02 kernel: [15729.243596] ffff8800c325bda8
> ffffffff811a3a0f ffff880119f0f250 00000000000002df
> Nov 26 11:30:14 afdesk02 kernel: [15729.243599] Call Trace:
> Nov 26 11:30:14 afdesk02 kernel: [15729.243601] [<ffffffff81170abb>] ?
> jload_gfp+0xcb/0x1f0
> Nov 26 11:30:14 afdesk02 kernel: [15729.243607] [<ffffffff811a3a0f>] ?
> plugin_by_coord_node40+0x2f/0x40
> Nov 26 11:30:14 afdesk02 kernel: [15729.243617] [<ffffffff81195aa7>]
> validate_extended_coord+0x57/0x80
> Nov 26 11:30:14 afdesk02 kernel: [15729.243621] [<ffffffff81197ee8>]
> read_unix_file+0x3e8/0x520
> Nov 26 11:30:14 afdesk02 kernel: [15729.243625] [<ffffffff8119b1b0>]
> reiser4_read_careful+0x70/0x160
> Nov 26 11:30:14 afdesk02 kernel: [15729.243629] [<ffffffff81105913>]
> vfs_read+0xc3/0x170
> Nov 26 11:30:14 afdesk02 kernel: [15729.243632] [<ffffffff81105a0c>]
> sys_read+0x4c/0x90
> Nov 26 11:30:14 afdesk02 kernel: [15729.243638] [<ffffffff813cfa62>]
> system_call_fastpath+0x16/0x1b
> Nov 26 11:30:14 afdesk02 kernel: [15729.243666] Code: ee 4c 89 f7 e8
> 34 d1 fc ff eb b7 66 90 55 48 89 e5 48 83 ec 70 4c 89 65 e8 49 89 f4
> 48 89 5d e0 4c 89 6d f0 4c 89 75 f8 49 89 fe <8b> 76 04 49 8b 7c 24 08
> 49 89 d5 bb 32 00 00 00 e8 3d 51 fd ff
> Nov 26 11:30:14 afdesk02 kernel: [15729.243670] RIP
> [<ffffffff811aa2ee>] rem_entry_cde+0x1e/0x110
> Nov 26 11:30:14 afdesk02 kernel: [15729.243671] RSP <ffff8800c325bd58>
> Nov 26 11:30:14 afdesk02 kernel: [15729.243672] CR2: 00000000000002e3
> Nov 26 11:30:14 afdesk02 kernel: [15729.243826] ---[ end trace
> 792199483cf446dd ]---
>
>
> Nov 26 11:31:05 afdesk02 kernel: [15780.132525] BUG: unable to handle
> kernel NULL pointer dereference at 0000000000000052
> Nov 26 11:31:05 afdesk02 kernel: [15780.132655] IP:
> [<ffffffff813ceb18>] _raw_spin_lock+0x18/0x40
> Nov 26 11:31:05 afdesk02 kernel: [15780.132752] PGD 1132f4067 PUD
> 11655b067 PMD 0
> Nov 26 11:31:05 afdesk02 kernel: [15780.132841] Oops: 0002 [#4]
> PREEMPT SMP
> Nov 26 11:31:05 afdesk02 kernel: [15780.132921] Modules linked in:
> ipv6 af_packet dm_mod radeonfb fb_ddc intel_agp intel_gtt rtc joydev
> hid_sunplus usbhid hid radeon 8250_pnp ppdev parport_pc powernow_k8
> ttm mperf drm_kms_helper ohci_hcd 8250 snd_hda_codec_hdmi serial_core
> ata_generic pata_acpi drm kvm snd_hda_codec_via parport processor
> button ghash_clmulni_intel snd_hda_intel sg xhci_hcd pata_atiixp
> snd_hda_codec i2c_algo_bit r8169 cfbcopyarea ehci_hcd evdev i2c_piix4
> cfbimgblt cfbfillrect pcspkr snd_hwdep psmouse shpchp snd_pcm usbcore
> serio_raw cryptd pci_hotplug usb_common snd_timer snd mii soundcore
> microcode snd_page_alloc unix
> Nov 26 11:31:05 afdesk02 kernel: [15780.134068] CPU 0
> Nov 26 11:31:05 afdesk02 kernel: [15780.134104] Pid: 3779, comm:
> flush-9:1 Tainted: G D 3.6.4-reiser4 #1 System manufacturer
> System Product Name/M5A78L-M/USB3
> Nov 26 11:31:05 afdesk02 kernel: [15780.134280] RIP:
> 0010:[<ffffffff813ceb18>] [<ffffffff813ceb18>] _raw_spin_lock+0x18/0x40
> Nov 26 11:31:05 afdesk02 kernel: [15780.134406] RSP:
> 0018:ffff8801010d9af0 EFLAGS: 00010202
> Nov 26 11:31:05 afdesk02 kernel: [15780.134485] RAX: 0000000000000100
> RBX: ffffea0004169b40 RCX: 0000000000000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.134587] RDX: ffffea0004169b40
> RSI: ffff8801010d9aa0 RDI: 0000000000000052
> Nov 26 11:31:05 afdesk02 kernel: [15780.134688] RBP: ffff8801010d9af0
> R08: 0000000000003280 R09: 0000000000000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.134789] R10: 0000000000000000
> R11: 0000000000000006 R12: 0000000000000002
> Nov 26 11:31:05 afdesk02 kernel: [15780.134889] R13: 0000000000000052
> R14: ffff88010b762900 R15: ffff8801097cda20
> Nov 26 11:31:05 afdesk02 kernel: [15780.134991] FS:
> 00007f27d0fec880(0000) GS:ffff88011ec00000(0000) knlGS:0000000000000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.135106] CS: 0010 DS: 0000 ES:
> 0000 CR0: 000000008005003b
> Nov 26 11:31:05 afdesk02 kernel: [15780.135198] CR2: 0000000000000052
> CR3: 0000000113fc9000 CR4: 00000000000407f0
> Nov 26 11:31:05 afdesk02 kernel: [15780.135300] DR0: 0000000000000000
> DR1: 0000000000000000 DR2: 0000000000000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.135401] DR3: 0000000000000000
> DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Nov 26 11:31:05 afdesk02 kernel: [15780.135502] Process flush-9:1
> (pid: 3779, threadinfo ffff8801010d8000, task ffff880119fa2520)
> Nov 26 11:31:05 afdesk02 kernel: [15780.135621] Stack:
> Nov 26 11:31:05 afdesk02 kernel: [15780.135654] ffff8801010d9ba0
> ffffffff81197305 0000000000000001 ffff880100000000
> Nov 26 11:31:05 afdesk02 kernel: [15780.135784] ffff8801010d9d10
> 0000000000001d70 ffff8801097cd8c8 ffff8801097cd7c0
> Nov 26 11:31:05 afdesk02 kernel: [15780.135915] ffff880119fa2520
> 0000000000005079 ffff8801097cda10 ffff8801097cd838
> Nov 26 11:31:05 afdesk02 kernel: [15780.136044] Call Trace:
> Nov 26 11:31:05 afdesk02 kernel: [15780.136088] [<ffffffff81197305>]
> writepages_unix_file+0x305/0x4e0
> Nov 26 11:31:05 afdesk02 kernel: [15780.136183] [<ffffffff8118e045>]
> reiser4_writepages+0x25/0x30
> Nov 26 11:31:05 afdesk02 kernel: [15780.136271] [<ffffffff810c1e3b>]
> do_writepages+0x1b/0x30
> Nov 26 11:31:05 afdesk02 kernel: [15780.136353] [<ffffffff8112a59e>]
> __writeback_single_inode.clone.26+0x3e/0x130
> Nov 26 11:31:05 afdesk02 kernel: [15780.136460] [<ffffffff8112ab65>]
> generic_writeback_sb_inodes+0x1d5/0x340
> Nov 26 11:31:05 afdesk02 kernel: [15780.136559] [<ffffffff81189f4d>]
> reiser4_writeback_inodes+0x8d/0x140
> Nov 26 11:31:05 afdesk02 kernel: [15780.136653] [<ffffffff8112b3ad>]
> writeback_sb_inodes+0x8d/0xb0
> Nov 26 11:31:05 afdesk02 kernel: [15780.136739] [<ffffffff8112b560>]
> wb_writeback+0xd0/0x1e0
> Nov 26 11:31:05 afdesk02 kernel: [15780.136819] [<ffffffff8112b79c>]
> wb_do_writeback+0x9c/0x1c0
> Nov 26 11:31:05 afdesk02 kernel: [15780.136906] [<ffffffff81044496>] ?
> lock_timer_base.clone.30+0x36/0x70
> Nov 26 11:31:05 afdesk02 kernel: [15780.137002] [<ffffffff8112b94a>]
> bdi_writeback_thread+0x8a/0x160
> Nov 26 11:31:05 afdesk02 kernel: [15780.137091] [<ffffffff8112b8c0>] ?
> wb_do_writeback+0x1c0/0x1c0
> Nov 26 11:31:05 afdesk02 kernel: [15780.137177] [<ffffffff8112b8c0>] ?
> wb_do_writeback+0x1c0/0x1c0
> Nov 26 11:31:05 afdesk02 kernel: [15780.137265] [<ffffffff81055186>]
> kthread+0x96/0xa0
> Nov 26 11:31:05 afdesk02 kernel: [15780.137338] [<ffffffff813d0ab4>]
> kernel_thread_helper+0x4/0x10
> Nov 26 11:31:05 afdesk02 kernel: [15780.137426] [<ffffffff810550f0>] ?
> kthread_freezable_should_stop+0x60/0x60
> Nov 26 11:31:05 afdesk02 kernel: [15780.137528] [<ffffffff813d0ab0>] ?
> gs_change+0xb/0xb
> Nov 26 11:31:05 afdesk02 kernel: [15780.137601] Code: 48 89 e5 e8 7b
> fe ff ff c9 c3 90 90 90 90 90 90 90 90 90 55 65 48 8b 04 25 08 b8 00
> 00 48 89 e5 ff 80 44 e0 ff ff b8 00 01 00 00 <f0> 66 0f c1 07 0f b6 d4
> 38 c2 74 0d 0f 1f 40 00 f3 90 0f b6 07
> Nov 26 11:31:05 afdesk02 kernel: [15780.138344] RIP
> [<ffffffff813ceb18>] _raw_spin_lock+0x18/0x40
> Nov 26 11:31:05 afdesk02 kernel: [15780.138441] RSP <ffff8801010d9af0>
> Nov 26 11:31:05 afdesk02 kernel: [15780.138495] CR2: 0000000000000052
> Nov 26 11:31:05 afdesk02 kernel: [15780.138546] ---[ end trace
> 792199483cf446de ]---
> Nov 26 11:31:05 afdesk02 kernel: [15780.138616] note: flush-9:1[3779]
> exited with preempt_count 1
>
> Cheers and good luck.
> Arend
> --
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next prev parent reply other threads:[~2012-11-27 14:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-27 13:01 Reiser4: BUG: unable to handle kernel NULL pointer dereference Arend Freije
2012-11-27 14:21 ` Edward Shishkin [this message]
2012-12-06 17:01 ` Tobias Neumann
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