<div>Curious to know.</div><div> </div><div> </div>Is this the issue with this particular version of kernel ie kernel 2.6.18-194.el5 or part of new gfs packages too? Reboot to the older kernel works in this case? <div> </div><div>Paras.</div> <div> <div class="gmail_quote">On Tue, Apr 6, 2010 at 4:44 AM, Steven Whitehouse <<a href="mailto:swhiteho@redhat.com">swhiteho@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hi, Can you open a bugzilla about this? Thanks, Steve. On Sun, 2010-04-04 at 13:58 -0700, Scooter Morris wrote: > Hi all, > We recently upgraded to 5.5 (kernel 2.6.18-194.el5) to get some of > the gfs2 fixes on a 3 node cluster, but crashed two days later with the > following stack trace: > > [2010-04-04 10:28:48]Unable to handle kernel NULL pointer dereference at > 0000000000000078 RIP: ^M > [2010-04-04 10:28:48] [<ffffffff887dc3d3>] :gfs2:revoke_lo_add+0x1a/0x32^M > [2010-04-04 10:28:48]PGD 7d4297067 PUD 13a24c067 PMD 0 ^M > [2010-04-04 10:28:48]Oops: 0002 [1] SMP ^M > [2010-04-04 10:28:48]last sysfs file: > /devices/pci0000:00/0000:00:01.0/0000:03:00.0/0000:04:01.0/0000:07:00.0/0000:08:00.0/irq^M > [2010-04-04 10:28:48]CPU 8 ^M > [2010-04-04 10:28:48]Modules linked in: ipt_MASQUERADE iptable_nat > ip_nat bridge autofs4 hidp l2cap bluetooth lock_dlm gfs2 dlm configfs > lockd sunrpc ip_conntrack_netbios_ns xt_state ip_conntrack nfnetlink > xt_tcpudp ipt_REJECT iptable_filter ip_tables arpt_mangle > arptable_filter arp_tables x_tables ib_iser libiscsi2 > scsi_transport_iscsi2 scsi_transport_iscsi ib_srp rds ib_sdp ib_ipoib > ipoib_helper ipv6 xfrm_nalgo crypto_api rdma_ucm rdma_cm ib_ucm > ib_uverbs ib_umad ib_cm iw_cm ib_addr ib_sa ib_mad ib_core > dm_round_robin dm_multipath scsi_dh video backlight sbs power_meter > hwmon i2c_ec i2c_core dell_wmi wmi button battery asus_acpi > acpi_memhotplug ac parport_pc lp parport sg ide_cd bnx2 cdrom hpilo > serio_raw pcspkr dm_raid45 dm_message dm_region_hash dm_mem_cache > dm_snapshot dm_zero dm_mirror dm_log dm_mod qla2xxx scsi_transport_fc > ata_piix libata shpchp cciss sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd > ehci_hcd^M > [2010-04-04 10:28:49]Pid: 795, comm: kswapd0 Not tainted 2.6.18-194.el5 #1^M > [2010-04-04 10:28:49]RIP: 0010:[<ffffffff887dc3d3>] > [<ffffffff887dc3d3>] :gfs2:revoke_lo_add+0x1a/0x32^M > [2010-04-04 10:28:49]RSP: 0018:ffff81082efcdae8 EFLAGS: 00010282^M > [2010-04-04 10:28:49]RAX: 0000000000000000 RBX: ffff810256e037f0 RCX: > ffff8100207fd180^M > [2010-04-04 10:28:49]RDX: ffff81051abdf630 RSI: ffff810819032720 RDI: > ffff810819032000^M > [2010-04-04 10:28:49]RBP: ffff81051abdf610 R08: ffff81011cb31b06 R09: > ffff81082efcdb20^M > [2010-04-04 10:28:49]R10: ffff8101135d8330 R11: ffffffff887dc3b9 R12: > ffff810819032000^M > [2010-04-04 10:28:49]R13: 0000000000000000 R14: ffff810256e037f0 R15: > ffff810819032000^M > [2010-04-04 10:28:50]FS: 0000000000000000(0000) > GS:ffff81011cb319c0(0000) knlGS:0000000000000000^M > [2010-04-04 10:28:50]CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b^M > [2010-04-04 10:28:50]CR2: 0000000000000078 CR3: 000000024ed62000 CR4: > 00000000000006e0^M > [2010-04-04 10:28:50]Process kswapd0 (pid: 795, threadinfo > ffff81082efcc000, task ffff81082f5d17a0)^M > [2010-04-04 10:28:50]Stack: ffffffff887dd88c 000000002efcde10 > ffff810256e037f0 ffff81011c7fadd8^M > [2010-04-04 10:28:50] 0000000000000000 0000000000000000 ffffffff887deaf6 > 000000000000000e^M > [2010-04-04 10:28:50] ffff81011c7fadd8 00000000000000b0 ffff81082efcdcf0 > ffff810819032000^M > [2010-04-04 10:28:50]Call Trace:^M > [2010-04-04 10:28:50] [<ffffffff887dd88c>] > :gfs2:gfs2_remove_from_journal+0x11f/0x131^M > [2010-04-04 10:28:50] [<ffffffff887deaf6>] > :gfs2:gfs2_invalidatepage+0xea/0x151^M > [2010-04-04 10:28:50] [<ffffffff887de739>] > :gfs2:gfs2_writepage_common+0x95/0xb1^M > [2010-04-04 10:28:50] [<ffffffff887ded63>] > :gfs2:gfs2_jdata_writepage+0x56/0x98^M > [2010-04-04 10:28:50] [<ffffffff800cbf1b>] > shrink_inactive_list+0x3fd/0x8d8^M > [2010-04-04 10:28:50] [<ffffffff800484ad>] __pagevec_release+0x19/0x22^M > [2010-04-04 10:28:51] [<ffffffff800cb9fd>] shrink_active_list+0x4b4/0x4c4^M > [2010-04-04 10:28:51] [<ffffffff8001314a>] shrink_zone+0x127/0x18d^M > [2010-04-04 10:28:51] [<ffffffff800581a7>] kswapd+0x323/0x46c^M > [2010-04-04 10:28:51] [<ffffffff800a1ba4>] > autoremove_wake_function+0x0/0x2e^M > [2010-04-04 10:28:51] [<ffffffff800a198c>] keventd_create_kthread+0x0/0xc4^M > [2010-04-04 10:28:51] [<ffffffff80057e84>] kswapd+0x0/0x46c^M > [2010-04-04 10:28:51] [<ffffffff800a198c>] keventd_create_kthread+0x0/0xc4^M > [2010-04-04 10:28:51] [<ffffffff80032bdc>] kthread+0xfe/0x132^M > [2010-04-04 10:28:51] [<ffffffff8009e81a>] request_module+0x0/0x14d^M > [2010-04-04 10:28:51] [<ffffffff8005efb1>] child_rip+0xa/0x11^M > [2010-04-04 10:28:51] [<ffffffff800a198c>] keventd_create_kthread+0x0/0xc4^M > [2010-04-04 10:28:51] [<ffffffff80032ade>] kthread+0x0/0x132^M > [2010-04-04 10:28:51] [<ffffffff8005efa7>] child_rip+0x0/0x11^M > > This looks exactly like bug 437803, but that was closed early last > year. Does anyone have any ideas what might be going on? I > double-checked, and we definitely do not have the old kmod-gfs2 installed. > > -- scooter > > -- > Linux-cluster mailing list > <a href="mailto:Linux-cluster@redhat.com">Linux-cluster@redhat.com</a> > <a href="https://www.redhat.com/mailman/listinfo/linux-cluster" target="_blank">https://www.redhat.com/mailman/listinfo/linux-cluster</a> -- Linux-cluster mailing list <a href="mailto:Linux-cluster@redhat.com">Linux-cluster@redhat.com</a> <a href="https://www.redhat.com/mailman/listinfo/linux-cluster" target="_blank">https://www.redhat.com/mailman/listinfo/linux-cluster</a> </blockquote></div> </div>