[Ocfs2-users] invalid opcode bug in dlmglue?

[Sunil Mushran]

http://oss.oracle.com/pipermail/ocfs2-tools-devel/2010-January/thread.html

The dx_dir patches are in the review cycle.

Brian Kroth wrote:
> Excellent.  Thanks for the quick response.
>
> Also, any idea when the tools might support indexed dirs?  I suspect
> we'll have some downtime coming up in a couple of months and am
> wondering if we can use the opportunity to turn on that feature for
> quicker lookup times.
>
> Thanks,
> Brian
>
> Sunil Mushran <sunil.mushran at oracle.com> 2010-02-04 09:16:
>   
>> Fixed.
>> http://oss.oracle.com/bugzilla/show_bug.cgi?id=1137
>>
>> You probably already have this patch. If not, add it.
>> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a5a0a630922a2f6a774b6dac19f70cb5abd86bb0
>>
>> You are definitely missing this patch.
>> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a1b08e75dff3dc18a88444803753e667bb1d126e
>>
>>
>> Brian Kroth wrote:
>>     
>>> We've gotten a couple of dumps likes this in the last couple of days
>>> while migrating some new users to our mail store which involves
>>> untarring/moving large quantities of files.  We've gracefully rebooted
>>> the node after every instance and it seems to do fine with normal mail
>>> operations.  I'm wondering if you have any thoughts on the messages?
>>>
>>> Running in ESX 3.5.
>>> The kernel is Debian 2.6.30 based.
>>> Storage backend is iSCSI EqualLogic.
>>> Only one node currently has the FS mounted.
>>>
>>> Thanks,
>>> Brian
>>>
>>> Feb  4 09:34:41 iris kernel: [528465.151651]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
>>> Feb  4 09:34:41 iris kernel: [528465.151722] Process rm (pid: 32114, ti=dfad4000 task=e17b9610 task.ti=dfad4000)
>>> Feb  4 09:34:41 iris kernel: [528465.147544] ------------[ cut here ]------------
>>> Feb  4 09:34:41 iris kernel: [528465.148706] kernel BUG at fs/ocfs2/dlmglue.c:2470!
>>> Feb  4 09:34:41 iris kernel: [528465.148818] invalid opcode: 0000 [#1] 
>>> SMP Feb  4 09:34:41 iris kernel: [528465.148983] last sysfs file: 
>>> /sys/devices/system/clocksource/clocksource0/available_clocksource
>>> Feb  4 09:34:41 iris kernel: [528465.149113] Modules linked in: ocfs2 jbd2 quota_tree ocfs2_stack_o2cb ocfs2_stackglue netconsole vmsync vmmemctl ocfs2_dlmfs ocfs2_dlm ocfs2_nodemanager configfs usbhid hid uhci_hcd ohci_hcd eh
>>> ci_hcd usbcore psmouse evdev serio_raw parport_pc parport snd_pcsp snd_pcm snd_timer snd soundcore snd_page_alloc container button ac i2c_piix4 processor i2c_core intel_agp shpchp agpgart pci_hotplug ext3 jbd mbcache dm_mirror dm_region_ha
>>> sh dm_log dm_snapshot dm_mod sd_mod crc_t10dif ide_cd_mod cdrom ata_generic libata ide_pci_generic floppy mptspi mptscsih mptbase scsi_transport_spi scsi_mod vmxnet piix ide_core thermal fan thermal_sys [last unloaded: scsi_wait_scan]
>>> Feb  4 09:34:41 iris kernel: [528465.150763] Feb  4 09:34:41 iris 
>>> kernel: [528465.150945] Pid: 32114, comm: rm Not tainted 
>>> (2.6.30-vmwareguest-smp-64g.20090711 #1) VMware Virtual Platform
>>> Feb  4 09:34:41 iris kernel: [528465.151104] EIP: 0060:[<f887783d>] EFLAGS: 00010246 CPU: 2
>>> Feb  4 09:34:41 iris kernel: [528465.151446] EIP is at ocfs2_dentry_lock+0x26/0xf7 [ocfs2]
>>> Feb  4 09:34:41 iris kernel: [528465.151520] EAX: f6548800 EBX: c8c53c6c ECX: 00000000 EDX: 00000000
>>> Feb  4 09:34:41 iris kernel: [528465.151586] ESI: 17395beb EDI: f6538000 EBP: 00000005 ESP: dfad5e88
>>> Feb  4 09:34:41 iris kernel: [528465.151651]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
>>> Feb  4 09:34:41 iris kernel: [528465.151722] Process rm (pid: 32114, ti=dfad4000 task=e17b9610 task.ti=dfad4000)
>>> Feb  4 09:34:41 iris kernel: [528465.151814] Stack:
>>> Feb  4 09:34:41 iris kernel: [528465.151886]  00000001 00000000 c75fe8dc c8c53c6c 17395beb 00000000 c8c53c6c f888fdcc
>>> Feb  4 09:34:41 iris kernel: [528465.152084]  00000000 17395beb f88925c9 f6538000 f0987900 c75fe940 c75fe5c0 00000000
>>> Feb  4 09:34:41 iris kernel: [528465.152303]  00000000 00000000 00000000 00000000 00000000 00000000 00000000 e6472e10
>>> Feb  4 09:34:41 iris kernel: [528465.152566] Call Trace:
>>> Feb  4 09:34:41 iris kernel: [528465.152580]  [<f888fdcc>] ? ocfs2_remote_dentry_delete+0xe/0x95 [ocfs2]
>>> Feb  4 09:34:41 iris kernel: [528465.152872]  [<f88925c9>] ? ocfs2_unlink+0x3fe/0xa26 [ocfs2]
>>> Feb  4 09:34:41 iris kernel: [528465.152960]  [<c019ab62>] ? vfs_unlink+0x5c/0x95
>>> Feb  4 09:34:41 iris kernel: [528465.153165]  [<c019be31>] ? do_unlinkat+0x93/0xfc
>>> Feb  4 09:34:41 iris kernel: [528465.153240]  [<c0114001>] ? smp_reschedule_interrupt+0x13/0x1c
>>> Feb  4 09:34:41 iris kernel: [528465.153336]  [<c0107eda>] ? reschedule_interrupt+0x2a/0x30
>>> Feb  4 09:34:41 iris kernel: [528465.153413]  [<c01077d4>] ? sysenter_do_call+0x12/0x28
>>> Feb  4 09:34:41 iris kernel: [528465.153538] Code: e9 19 fe ff ff 55 57 
>>> 56 53 83 ec 0c 83 fa 01 8b 50 58 19 ed 83 e5 fe 83 c5 05 89 54 24 04 8b 
>>> 40 54 85 d2 8b b8 98 01 00 00 75 04 <0f> 0b eb fe 8d 9f 9c 00 00 00 89 
>>> d8 e8 2a 1e ab c7 8b 87 a4 00 Feb  4 09:34:41 iris kernel: 
>>> [528465.154876] EIP: [<f887783d>] ocfs2_dentry_lock+0x26/0xf7 [ocfs2] 
>>> SS:ESP 0068:dfad5e88
>>> Feb  4 09:34:41 iris kernel: [528465.155307] ---[ end trace 62c828cac153c25f ]---
>>>   
>>>