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Re: [Linux-cluster] gfs segfault on umount



On Wed, May 04, 2005 at 06:11:28PM -0400, Dan B. Phung wrote:
> Nicola Ranaldo reported a segfault in a previous thread:
> > [Linux-cluster] gfs/iscsi over 2.6.11 and gfs listener
> 
> though there was no follow up on the segfault.  I'm getting the same
> segfault when trying to umount the gfs directory.  I'm running the latest
> cvs head from the RHEL4 branch on 2.6.9 with preemptible kernel disabled.
> 
> GFS: fsid=blade_cluster:cheesefs.1: Joined cluster. Now mounting FS...
> GFS: fsid=blade_cluster:cheesefs.1: jid=1: Trying to acquire journal 
> lock...
> GFS: fsid=blade_cluster:cheesefs.1: jid=1: Looking at journal...
> GFS: fsid=blade_cluster:cheesefs.1: jid=1: Done
> GFS: fsid=blade_cluster:cheesefs.1: Scanning for log elements...
> GFS: fsid=blade_cluster:cheesefs.1: Found 0 unlinked inodes
> GFS: fsid=blade_cluster:cheesefs.1: Found quota changes for 0 IDs
> GFS: fsid=blade_cluster:cheesefs.1: Done
> Unable to handle kernel NULL pointer dereference at virtual address 
> 00000004
>  printing eip:
> f8c1da05
> *pde = 00000000
> Oops: 0000 [#1]
> Modules linked in: lock_dlm dlm cman gfs lock_harness dm_mod ipv6 rtc 
> pcspkr psmouse sworks_agp agpgart tsdev mousedev joydev evdev usbhid 
> ohci_hcd usbcore tg3 qla2300 qla2xxx scsi_transport_fc sg sr_mod sd_mod 
> scsi_mod ide_cd cdrom reiserfs isofs ext3 jbd mbcache ide_generic 
> via82cxxx trm290 triflex slc90e66 sis5513 siimage serverworks sc1200 
> rz1000 piix pdc202xx_old pdc202xx_new opti621 ns87415 hpt366 ide_disk 
> hpt34x generic cy82c693 cs5530 cs5520 cmd64x atiixp amd74xx alim15x3 
> aec62xx ide_core unix
> CPU:    0
> EIP:    0060:[<f8c1da05>]    Tainted: GF  VLI
> EFLAGS: 00010213   (2.6.9)
> EIP is at gfs_ail_start_trans+0x15/0x180 [gfs]
> eax: f8bdb5a8   ebx: 00000000   ecx: 00000400   edx: 00000000
> esi: f8bc7000   edi: f8bdb5bc   ebp: f667665c   esp: f6747e4c
> ds: 007b   es: 007b   ss: 0068
> Process umount (pid: 5117, threadinfo=f6746000 task=f650a020)
> Stack: f6747ec0 00000282 00000000 f6747ec0 f8bc7000 f66476b0 f6676600 
> f8bc7000
>        f8bdb5bc f6676600 f8c37945 f8bc7000 f6676600 00000000 f8bdb5a8 
> f8bc7000
>        f6746000 f6747ec0 f6bc2e00 f8c1f1b1 f8bc7000 00000400 f8bc7000 
> 00000000
> Call Trace:
>  [<f8c37945>] gfs_ail_start+0x75/0xc0 [gfs]
>  [<f8c1f1b1>] gfs_sync_meta+0x31/0x60 [gfs]
>  [<f8c53be3>] gfs_make_fs_ro+0x53/0xb0 [gfs]
>  [<f8c49e8b>] gfs_put_super+0x2cb/0x310 [gfs]
>  [<c0154f58>] generic_shutdown_super+0xe8/0x100
>  [<f8c46f12>] gfs_kill_sb+0x32/0x6e [gfs]
>  [<c0154de8>] deactivate_super+0x48/0x70
>  [<c0169d5f>] sys_umount+0x3f/0xa0
>  [<c01434ce>] do_munmap+0x11e/0x160
>  [<c0143560>] sys_munmap+0x50/0x80
>  [<c0169dd5>] sys_oldumount+0x15/0x20
>  [<c0105f5f>] syscall_call+0x7/0xb
> Code: 04 83 c4 08 e9 dd a1 54 c7 8d b6 00 00 00 00 8d bc 27 00 00 00 00 55 
> 57 56 53 83 ec 18 8b 6c 24 30 83 c5 5c 89 f6 8b 5d 04 39 eb <8b> 7b 04 74 
> 2e 8d b6 00 00 00 00 8b 43 c0 8d 73 c0 89 44 24 14
> 
> 
> 
> -dan
> 
> -- 
> 
> 
> 
> 
> 
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> 
> 
Same problem. I'm using gfs with GULM on RHEL4.


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