On Wed, May 04, 2005 at 06:11:28PM -0400, Dan B. Phung wrote: > Nicola Ranaldo reported a segfault in a previous thread: > > 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 > > -- > > > > > > -- > > Linux-cluster@xxxxxxxxxx > http://www.redhat.com/mailman/listinfo/linux-cluster > > > Same problem. I'm using gfs with GULM on RHEL4. -- Linux-cluster@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/linux-cluster