Hallo, I have a system based on Fedora 9 ( kernel-2.6.27.25-78.2.56.fc9 ), my system is keeping to mount/umount a XFS partition every 5 seconds. After a while the system gets crash with the following logs : Thanks in advance, if you need further information, I will do it with pleasure. Cheers, Abdelghani BUG: unable to handle kernel NULL pointer dereference at 00000000 IP: [<c04158b7>] __wake_up_common+0x15/0x52 *pde = 318a7067 *pte = 00000000 Oops: 0000 [#1] PREEMPT Modules linked in: ipv6 autofs4 ext3 jbd mbcache cgosdrv(P) i2c_i801 iTCO_wdt iTCO_vendor_support mcs7830 usbnet mii pciehp snd_hda_intel snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd_page_alloc snd_hwdep snd soundcore i915 drm i2c_algo_bit i2c_core uhci_hcd ohci_hcd ehci_hcd [last unloaded: microcode] Pid: 21, comm: xfslogd/0 Tainted: P (2.6.27.25-112.delos.current.i686 #1) EIP: 0060:[<c04158b7>] EFLAGS: 00010086 CPU: 0 EIP is at __wake_up_common+0x15/0x52 EAX: 00000000 EBX: fffffff4 ECX: 00000000 EDX: 00000003 ESI: 00000000 EDI: 00000000 EBP: 00000000 ESP: f6c7bf30 DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 Process xfslogd/0 (pid: 21, ti=f6c7b000 task=f72df400 task.ti=f6c7b000) Stack: 00000003 f3775b84 f6c7b000 00000000 00000286 00000000 c0417a4f 00000000 00000000 00000001 00000000 f32f3c34 c04eef83 00000000 f32f3c00 00000000 f3775b40 f32f3300 f32f3300 00000000 00000000 00000000 00000002 f3775e9c Call Trace: [<c0417a4f>] __wake_up+0x1d/0x45 [<c04eef83>] xlog_state_do_callback+0x2b1/0x2cc [<c0503d0e>] xfs_buf_iodone_work+0x0/0x4b [<c0503d4a>] xfs_buf_iodone_work+0x3c/0x4b [<c04275a5>] run_workqueue+0x8a/0x12a [<c04279c3>] worker_thread+0x0/0xc8 [<c0427a80>] worker_thread+0xbd/0xc8 [<c042a292>] autoremove_wake_function+0x0/0x2d [<c04279c3>] worker_thread+0x0/0xc8 [<c0429e98>] kthread+0x36/0x5a [<c0429e62>] kthread+0x0/0x5a [<c0403cc3>] kernel_thread_helper+0x7/0x10 ======================= Code: 0c 01 1d 3c 81 7c c0 11 15 40 81 7c c0 5b c3 8b 80 74 01 00 00 c3 55 57 89 cf 56 53 83 ec 08 89 44 24 04 89 14 24 8b 00 8d 58 f4 <8b> 43 0c eb 25 8b 2b 89 d8 ff 74 24 20 8b 54 24 04 8b 4c 24 20 EIP: [<c04158b7>] __wake_up_common+0x15/0x52 SS:ESP 0068:f6c7bf30 ---[ end trace b38fbaf4088c3d26 ]--- note: xfslogd/0[21] exited with preempt_count 1 Steps to reproduce: System information: [root@localhost ~]# cat /proc/version Linux version 2.6.27.25-113.delos.current.i686.debug (abdelghani@alder.ezono.net) (gcc version 4.3.0 20080428 (Red Hat 4.3.0-8) (GCC) ) #1 PREEMPT Tue Jan 26 14:04:54 CET 2010 [root@localhost ~]# cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 14 model name : Intel(R) Celeron(R) M CPU 423 @ 1.06GHz stepping : 12 cpu MHz : 1063.991 cache size : 1024 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss tm pbe nx constant_tsc arch_perfmon bts pni monitor tm2 xtpr bogomips : 2127.98 clflush size : 64 power management: [root@localhost ~]# cat /proc/modules ipv6 230948 12 - Live 0xf9d47000 autofs4 17604 1 - Live 0xf9b53000 ext3 104584 1 - Live 0xf9b65000 jbd 38932 1 ext3, Live 0xf9b5a000 mbcache 6528 1 ext3, Live 0xf8afa000 dm9601 6400 0 - Live 0xf89b8000 usbnet 12552 1 dm9601, Live 0xf8aba000 mii 4032 2 dm9601,usbnet, Live 0xf89d5000 cgosdrv 18520 2 - Live 0xf8ad1000 (P) i2c_i801 7760 0 - Live 0xf88fd000 iTCO_wdt 9696 1 - Live 0xf89fb000 iTCO_vendor_support 2756 1 iTCO_wdt, Live 0xf89b4000 ehci_hcd 29196 0 - Live 0xf8ac8000 uhci_hcd 19024 0 - Live 0xf89c9000 pciehp 27864 0 - Live 0xf8ac0000 snd_hda_intel 67088 3 - Live 0xf8a81000 snd_seq_dummy 2436 0 - Live 0xf88fb000 snd_seq_oss 24724 0 - Live 0xf89e2000 snd_seq_midi_event 5568 1 snd_seq_oss, Live 0xf88d7000 snd_seq 39992 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event, Live 0xf89d7000 snd_seq_device 5516 3 snd_seq_dummy,snd_seq_oss,snd_seq, Live 0xf88d4000 snd_pcm_oss 30144 0 - Live 0xf89ab000 snd_mixer_oss 12096 1 snd_pcm_oss, Live 0xf88c9000 snd_pcm 49480 3 snd_hda_intel,snd_pcm_oss, Live 0xf89bb000 snd_timer 16900 3 snd_seq,snd_pcm, Live 0xf89a5000 snd_page_alloc 6472 2 snd_hda_intel,snd_pcm, Live 0xf88cd000 snd_hwdep 6020 1 snd_hda_intel, Live 0xf886c000 snd 41716 13 snd_hda_intel,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_hwdep, Live 0xf88ef000 soundcore 5444 1 snd, Live 0xf88c6000 i915 81732 7 - Live 0xf88da000 drm 141912 8 i915, Live 0xf8981000 i2c_algo_bit 4740 1 i915, Live 0xf886f000 i2c_core 17488 4 i2c_i801,i915,drm,i2c_algo_bit, Live 0xf8873000 [root@localhost ~]# cat /proc/ioports 0000-001f : dma1 0020-0021 : pic1 0040-0043 : timer0 0050-0053 : timer1 0060-0060 : keyboard 0064-0064 : keyboard 0070-0071 : rtc0 0080-008f : dma page reg 00a0-00a1 : pic2 00c0-00df : dma2 00f0-00ff : fpu 0170-0177 : 0000:00:1f.1 0170-0177 : ata_piix 01f0-01f7 : 0000:00:1f.1 01f0-01f7 : ata_piix 0376-0376 : 0000:00:1f.1 0376-0376 : ata_piix 03c0-03df : vga+ 03f6-03f6 : 0000:00:1f.1 03f6-03f6 : ata_piix 0400-041f : 0000:00:1f.3 0400-041f : i801_smbus 0480-04bf : 0000:00:1f.0 0480-04bf : pnp 00:06 04d0-04d1 : pnp 00:06 0800-087f : 0000:00:1f.0 0800-087f : pnp 00:06 0800-0803 : ACPI PM1a_EVT_BLK 0804-0805 : ACPI PM1a_CNT_BLK 0808-080b : ACPI PM_TMR 0810-0815 : ACPI CPU throttle 0820-0820 : ACPI PM2_CNT_BLK 0828-082f : ACPI GPE0_BLK 0860-087f : iTCO_wdt 0cf8-0cff : PCI conf1 d480-d49f : 0000:00:1d.2 d480-d49f : uhci_hcd d800-d81f : 0000:00:1d.1 d800-d81f : uhci_hcd d880-d89f : 0000:00:1d.0 d880-d89f : uhci_hcd dc00-dc07 : 0000:00:02.0 e000-efff : PCI Bus 0000:03 e800-e8ff : 0000:03:00.0 ffa0-ffaf : 0000:00:1f.1 ffa0-ffaf : ata_piix [root@localhost ~]# cat /proc/iomem 00000000-0009fbff : System RAM 0009fc00-0009ffff : reserved 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000e0000-000fffff : reserved 000f0000-000fffff : System ROM 00100000-3d5fffff : System RAM 00400000-0069a821 : Kernel code 0069a822-007972bf : Kernel data 007e5000-00875bb3 : Kernel bss 3f7c0000-3f7cdfff : ACPI Tables 3f7ce000-3f7fffff : ACPI Non-volatile Storage d0000000-dfffffff : 0000:00:02.0 e0000000-e3ffffff : PCI MMCONFIG 0 e0000000-e3ffffff : pnp 00:0c fdf00000-fdffffff : PCI Bus 0000:02 fdf00000-fdf7ffff : 0000:02:00.0 fdffe000-fdffefff : 0000:02:00.0 fdfff000-fdffffff : 0000:02:00.0 fe980000-fe9fffff : 0000:00:02.1 fea37c00-fea37fff : 0000:00:1d.7 fea37c00-fea37fff : ehci_hcd fea38000-fea3bfff : 0000:00:1b.0 fea38000-fea3bfff : ICH HD audio fea40000-fea7ffff : 0000:00:02.0 fea80000-feafffff : 0000:00:02.0 feb00000-febfffff : PCI Bus 0000:03 febc0000-febdffff : 0000:03:00.0 febff000-febfffff : 0000:03:00.0 fec00000-fec00fff : pnp 00:0b fed13000-fed19fff : pnp 00:01 fed1c000-fed1ffff : pnp 00:06 fed20000-fed3ffff : pnp 00:06 fed40000-fed8ffff : pnp 00:06 fee00000-fee00fff : reserved ffb00000-ffffffff : reserved [root@localhost ~]# cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: ATA Model: InnoDisk Corp. - Rev: 0712 Type: Direct-Access ANSI SCSI revision: 05
On Wed, Jan 27, 2010 at 04:25:48PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > Hallo, > I have a system based on Fedora 9 ( kernel-2.6.27.25-78.2.56.fc9 ), my > system > is keeping to mount/umount a XFS partition every 5 seconds. After a while the > system gets crash with the following logs : > > Thanks in advance, if you need further information, I will do it with > pleasure. Can you see if the patch below fixes it? Index: linux-2.6/fs/xfs/xfs_log.c =================================================================== --- linux-2.6.orig/fs/xfs/xfs_log.c 2009-11-09 22:09:08.858026060 +0100 +++ linux-2.6/fs/xfs/xfs_log.c 2009-11-09 22:13:13.958255857 +0100 @@ -1602,6 +1602,8 @@ xlog_dealloc_log(xlog_t *log) xlog_in_core_t *iclog, *next_iclog; int i; + xfs_flush_buftarg(log->l_mp->m_logdev_targp, 1); + iclog = log->l_iclog; for (i=0; i<log->l_iclog_bufs; i++) { sv_destroy(&iclog->ic_force_wait);
(In reply to comment #1) > On Wed, Jan 27, 2010 at 04:25:48PM +0000, bugzilla-daemon@bugzilla.kernel.org > wrote: > > Hallo, > > I have a system based on Fedora 9 ( kernel-2.6.27.25-78.2.56.fc9 ), my > system > > is keeping to mount/umount a XFS partition every 5 seconds. After a while > the > > system gets crash with the following logs : > > > > Thanks in advance, if you need further information, I will do it with > pleasure. > > Can you see if the patch below fixes it? > > > Index: linux-2.6/fs/xfs/xfs_log.c > =================================================================== > --- linux-2.6.orig/fs/xfs/xfs_log.c 2009-11-09 22:09:08.858026060 +0100 > +++ linux-2.6/fs/xfs/xfs_log.c 2009-11-09 22:13:13.958255857 +0100 > @@ -1602,6 +1602,8 @@ xlog_dealloc_log(xlog_t *log) > xlog_in_core_t *iclog, *next_iclog; > int i; > > + xfs_flush_buftarg(log->l_mp->m_logdev_targp, 1); > + > iclog = log->l_iclog; > for (i=0; i<log->l_iclog_bufs; i++) { > sv_destroy(&iclog->ic_force_wait); Thanks a lot for your quick reply, I will try soon.
More information of my system : [abdelghani@alder cyclades-ghani]$ /sandbox/abdelghani/rpmbuild/BUILD/kernel-2.6.27/linux-2.6.27.i686/scripts/ver_linux If some fields are empty or look unusual you may have an old version. Compare to the current minimal requirements in Documentation/Changes. Linux alder.ezono.net 2.6.27.7-53.fc9.i686 #1 SMP Thu Nov 27 02:29:03 EST 2008 i686 i686 i386 GNU/Linux Gnu C 4.3.0 Gnu make 3.81 binutils 2.18.50.0.6 util-linux 2.13.1 mount 2.13.1 module-init-tools 3.4 e2fsprogs 1.41.3 pcmciautils 014 quota-tools 3.15. Linux C Library 2.8 Dynamic linker (ldd) 2.8 Procps 3.2.7 Net-tools 1.60 Kbd 1.12 oprofile 0.9.3 Sh-utils 6.10 udev 124 wireless-tools 29 Modules Loaded usb_storage fuse vmnet ppdev parport_pc parport vmblock vsock vmci vmmon autofs4 nfs nfs_acl lockd sunrpc ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 xt_state nf_conntrack xt_tcpudp ipt_REJECT iptable_filter ip_tables x_tables cpufreq_ondemand acpi_cpufreq ipv6 dm_multipath scsi_dh snd_hda_intel snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer r8169 i915 snd_page_alloc snd_hwdep mii snd drm dcdbas sr_mod e1000e soundcore joydev pcspkr serio_raw i2c_i801 cdrom i2c_algo_bit iTCO_wdt i2c_core iTCO_vendor_support sg floppy dm_snapshot dm_zero dm_mirror dm_log dm_mod ahci libata sd_mod scsi_mod crc_t10dif ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd
(In reply to comment #2) > (In reply to comment #1) > > On Wed, Jan 27, 2010 at 04:25:48PM +0000, > bugzilla-daemon@bugzilla.kernel.org > > wrote: > > > Hallo, > > > I have a system based on Fedora 9 ( kernel-2.6.27.25-78.2.56.fc9 ), my > system > > > is keeping to mount/umount a XFS partition every 5 seconds. After a while > the > > > system gets crash with the following logs : > > > > > > Thanks in advance, if you need further information, I will do it with > pleasure. > > > > Can you see if the patch below fixes it? > > > > > > Index: linux-2.6/fs/xfs/xfs_log.c > > =================================================================== > > --- linux-2.6.orig/fs/xfs/xfs_log.c 2009-11-09 22:09:08.858026060 +0100 > > +++ linux-2.6/fs/xfs/xfs_log.c 2009-11-09 22:13:13.958255857 +0100 > > @@ -1602,6 +1602,8 @@ xlog_dealloc_log(xlog_t *log) > > xlog_in_core_t *iclog, *next_iclog; > > int i; > > > > + xfs_flush_buftarg(log->l_mp->m_logdev_targp, 1); > > + > > iclog = log->l_iclog; > > for (i=0; i<log->l_iclog_bufs; i++) { > > sv_destroy(&iclog->ic_force_wait); > > > Thanks a lot for your quick reply, I will try soon. Hallo Christoph, after testing my system for more than 72 hours, I can say that the bug was fixed by patching the kernel with your patch. Thanks a lot . Cheers, Ghani