Here is another OCRed screenful of messages from another, different server which suffered the same problem a day earlier. This server is HP Proliant DL180 G6, with two Intel Xeon X5650 (just like the first server!). I also attach the result of 'ubuntu-bug linux' from this server.
[5225927.742220] Call Trace: [5225927.755435] <IRQ> [<ffffffff81557dda>] panic+0x78/0x137 [5225927.769348] [<ffffffff8155bc7a>] oops_end+0xea/0xf0 [5225927.783026] [<ffffffff8101711b>] die+0x5b/0x90 [5225927.796585] [<ffffffff8155b514>] do_trap+0xc4/0x170 [5225927.810147] [<ffffffff810150af>] do_divide_error+0x8f/0xb0 [5225927.823744] [<ffffffff810562a4>] ? find_busiest_group+0x634/0x8f0 [5225927.837567] [<ffffffffa00f0185>] ? ipt_do_table+0x295/0x678 [ip_tables] [5225927.851521] [<ffffffff8105b230>] ? default_wake_function+0x0/0x20 [5225927.865460] [<ffffffff81013f1b>] divide_error+0x1b/0x20 [5225927.879315] [<ffffffff810562a4>] ? find_busiest_group+0x634/0x8f0 [5225927.893496] [<ffffffff8105c22e>] load_balance+0xae/0x410 [5225927.907535] [<ffffffff8105c629>] reba1ance_domains+0x99/0x180 [5225927.921614] [<ffffffff8105c759>] run_rebalance_domains+0x49/0xf0 [5225927.935682] [<ffffffff8108f393>] ? ktime_get+0x63/0xe0 [5225927.949579] [<ffffffff8106e317>] __do_softirq+0xb7/0x1e0 [5225927.963615] [<ffffffff8109431a>] ? tick_program_event+0x2a/0x30 [5225927.977748] [<ffffffff810142ec>] call_softirq+0x1c/0x30 [5225927.991829] [<ffffffff81015cb5>] do_softirq+0x65/0xa0 [5225928.005829] [<ffffffff8106e1b5>] irq_exit+0x85/0x90 [5225928.019422] [<ffffffff8155fe11>] smp_apic_timer_interrupt+0x71/0x90 [5225928.033146] [<ffffffff81013cb3>] apic_timer_interrupt+0x13/0x20 [5225928.045831] <EUI> [<ffffffff8130f443>] ? acpi_idle_enter_bm+0x28a/0x2bI [5225928.058796] [<ffffffff8130f43c>] ? acpi_idle_enter_bm+0x283/0x2be [5225928.071497] [<ffffffff8144e007>] ? cpuidle_idle_call+0xa7/0x140 [5225928.084184] [<ffffffff81011e63>] ? cpu_idle+0xb3/0x110 [5225928.096631] [<ffffffff81552b33>] ? start_secondary+0xa8/Oxaa ?field.comment=Here is another OCRed screenful of messages from another, different server which suffered the same problem a day earlier. This server is HP Proliant DL180 G6, with two Intel Xeon X5650 (just like the first server!). I also attach the result of 'ubuntu-bug linux' from this server. [5225927.742220] Call Trace: [5225927.755435] <IRQ> [<ffffffff81557dda>] panic+0x78/0x137 [5225927.769348] [<ffffffff8155bc7a>] oops_end+0xea/0xf0 [5225927.783026] [<ffffffff8101711b>] die+0x5b/0x90 [5225927.796585] [<ffffffff8155b514>] do_trap+0xc4/0x170 [5225927.810147] [<ffffffff810150af>] do_divide_error+0x8f/0xb0 [5225927.823744] [<ffffffff810562a4>] ? find_busiest_group+0x634/0x8f0 [5225927.837567] [<ffffffffa00f0185>] ? ipt_do_table+0x295/0x678 [ip_tables] [5225927.851521] [<ffffffff8105b230>] ? default_wake_function+0x0/0x20 [5225927.865460] [<ffffffff81013f1b>] divide_error+0x1b/0x20 [5225927.879315] [<ffffffff810562a4>] ? find_busiest_group+0x634/0x8f0 [5225927.893496] [<ffffffff8105c22e>] load_balance+0xae/0x410 [5225927.907535] [<ffffffff8105c629>] reba1ance_domains+0x99/0x180 [5225927.921614] [<ffffffff8105c759>] run_rebalance_domains+0x49/0xf0 [5225927.935682] [<ffffffff8108f393>] ? ktime_get+0x63/0xe0 [5225927.949579] [<ffffffff8106e317>] __do_softirq+0xb7/0x1e0 [5225927.963615] [<ffffffff8109431a>] ? tick_program_event+0x2a/0x30 [5225927.977748] [<ffffffff810142ec>] call_softirq+0x1c/0x30 [5225927.991829] [<ffffffff81015cb5>] do_softirq+0x65/0xa0 [5225928.005829] [<ffffffff8106e1b5>] irq_exit+0x85/0x90 [5225928.019422] [<ffffffff8155fe11>] smp_apic_timer_interrupt+0x71/0x90 [5225928.033146] [<ffffffff81013cb3>] apic_timer_interrupt+0x13/0x20 [5225928.045831] <EUI> [<ffffffff8130f443>] ? acpi_idle_enter_bm+0x28a/0x2bI [5225928.058796] [<ffffffff8130f43c>] ? acpi_idle_enter_bm+0x283/0x2be [5225928.071497] [<ffffffff8144e007>] ? cpuidle_idle_call+0xa7/0x140 [5225928.084184] [<ffffffff81011e63>] ? cpu_idle+0xb3/0x110 [5225928.096631] [<ffffffff81552b33>] ? start_secondary+0xa8/Oxaa ** Attachment added: "apport2" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1024309/+attachment/3222458/+files/apport2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1024309 Title: Kernel panic - not syncing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1024309/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs