Hello, Recently one of our host systems had the following panic and had to be power cycled.
Nov 3 15:05:40 vzhn1 kernel: general protection fault: 0000 [1] SMP Nov 3 15:05:40 vzhn1 kernel: last sysfs file: Nov 3 15:05:40 vzhn1 kernel: CPU: 0 Nov 3 15:05:40 vzhn1 kernel: Modules linked in: vzethdev(U) simfs(U) vzrst(U) ip_nat(U) vzcpt(U) ip_conntrack(U) nfnetlink(U) vzdquota(U) xt_tcpudp(U) xt_length(U) ipt_ttl(U) x t_tcpmss(U) ipt_TCPMSS(U) iptable_mangle(U) iptable_filter(U) xt_multiport(U) xt_limit(U) ipt_tos(U) ipt_REJECT(U) ip_tables(U) x_tables(U) vznetdev(U) vzmon(U) ipv6(U) xfrm_nal go(U) crypto_api(U) vzdev(U) dm_mirror(U) dm_multipath(U) scsi_dh(U) video(U) hwmon(U) backlight(U) sbs(U) i2c_ec(U) button(U) battery(U) asus_acpi(U) acpi_memhotplug(U) ac(U) l p(U) snd_hda_intel(U) snd_seq_dummy(U) snd_seq_oss(U) snd_seq_midi_event(U) snd_seq(U) snd_seq_device(U) snd_pcm_oss(U) snd_mixer_oss(U) snd_pcm(U) snd_timer(U) snd_page_alloc(U ) snd_hwdep(U) parport_pc(U) snd(U) r8169(U) i2c_i801(U) sg(U) e1000e(U) i2c_core(U) soundcore(U) mii(U) parport(U) pcspkr(U) serio_raw(U) dm_raid45(U) dm_message(U) dm_region_h ash(U) dm_log(U) dm_mod(U) dm_mem_cache(U) ahci(U) libata(U) shpchp(U) aacraid(U) sd_mod(U) scsi_mod(U) ext3(U) jbd(U) uhci_hcd(U) ohci_hcd( Nov 3 15:05:40 vzhn1 kernel: ) ehci_hcd(U) Nov 3 15:05:40 vzhn1 kernel: Pid: 309, comm: kswapd0 Tainted: P 2.6.18-128.1.1.el5.028stab062.3 #1 028stab062 Nov 3 15:05:40 vzhn1 kernel: RIP: 0060:[<ffffffff800f0fb1>] [<ffffffff800f0fb1>] d_free+0x10/0x48 Nov 3 15:05:40 vzhn1 kernel: RSP: 0000:ffff81022a45fd00 EFLAGS: 00010206 Nov 3 15:05:40 vzhn1 kernel: RAX: 4000000000000000 RBX: ffff810169bdbb18 RCX: ffff810169bdbb30 Nov 3 15:05:40 vzhn1 kernel: RDX: ffff8100a935f1c8 RSI: 0000000000000282 RDI: ffff810169bdbb18 Nov 3 15:05:40 vzhn1 kernel: RBP: ffff810169bdbb18 R08: 0000000000000282 R09: ffff810107c24d00 Nov 3 15:05:40 vzhn1 kernel: R10: 000000000000000a R11: 0000000000000282 R12: ffff810169bdbb18 Nov 3 15:05:40 vzhn1 kernel: R13: 0000000000000075 R14: 00000000000000c8 R15: 0000000000000100 Nov 3 15:05:40 vzhn1 kernel: FS: 0000000000000000(0000) GS:ffffffff803b7000(0000) knlGS:0000000000000000 Nov 3 15:05:40 vzhn1 kernel: CS: 0060 DS: 0018 ES: 0018 CR0: 000000008005003b Nov 3 15:05:40 vzhn1 kernel: CR2: 00000000b74ac000 CR3: 00000001df214000 CR4: 00000000000006e0 Nov 3 15:05:40 vzhn1 kernel: Process kswapd0 (pid: 309, veid=0, threadinfo ffff81022a45e000, task ffff81022a45abb0) Nov 3 15:05:40 vzhn1 kernel: Stack: ffff8100a935f168 ffffffff800f1017 0000000000000282 ffff810229bb5470 Nov 3 15:05:40 vzhn1 kernel: 0000000000000000 ffffffff800f10d4 ffff810229bb5470 ffffffff8002f9c6 Nov 3 15:05:40 vzhn1 kernel: ffff81022a45fd40 00000000ffffffff 00000000002a570b 00000000ac3fb70c Nov 3 15:05:40 vzhn1 kernel: Call Trace: Nov 3 15:05:40 vzhn1 kernel: [<ffffffff800f1017>] d_kill+0x2e/0x43 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff800f10d4>] prune_one_dentry+0xa8/0xc2 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff8002f9c6>] prune_dcache+0x10f/0x149 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff800f1de3>] shrink_dcache_memory+0x34/0xef Nov 3 15:05:40 vzhn1 kernel: [<ffffffff80040b70>] shrink_slab+0x108/0x187 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff8005a60e>] kswapd+0x37a/0x48f Nov 3 15:05:40 vzhn1 kernel: [<ffffffff8009ee6b>] autoremove_wake_function+0x0/0x2e Nov 3 15:05:40 vzhn1 kernel: [<ffffffff8009ec45>] keventd_create_kthread+0x0/0xc4 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff8005a294>] kswapd+0x0/0x48f Nov 3 15:05:40 vzhn1 kernel: [<ffffffff8009ec45>] keventd_create_kthread+0x0/0xc4 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff80033577>] kthread+0xfe/0x132 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff80061001>] child_rip+0xa/0x11 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff8009ec45>] keventd_create_kthread+0x0/0xc4 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff80033479>] kthread+0x0/0x132 Nov 3 15:05:40 vzhn1 kernel: [<ffffffff80060ff7>] child_rip+0x0/0x11 Nov 3 15:05:40 vzhn1 kernel: Nov 3 15:05:40 vzhn1 kernel: Nov 3 15:05:40 vzhn1 kernel: Code: 48 8b 40 20 48 85 c0 74 02 ff d0 48 8b bb a0 00 00 00 48 85 Nov 3 15:05:40 vzhn1 kernel: RIP [<ffffffff800f0fb1>] d_free+0x10/0x48 Nov 3 15:05:40 vzhn1 kernel: RSP <ffff81022a45fd00> Nov 3 15:05:40 vzhn1 kernel: Kernel panic - not syncing: Fatal exception uname: Linux xxx.xxx.xxx 2.6.18-128.1.1.el5.028stab062.3 #1 SMP Sun May 10 18:54:51 MSD 2009 x86_64 x86_64 x86_64 GNU/Linux Any thoughts on the cause and preventing this from happening again? Or ideas on how to trouble shoot further? Thanks, Hans _______________________________________________ Devel mailing list Devel@openvz.org https://openvz.org/mailman/listinfo/devel
