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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] AW: [Xen-devel] 2.6.32.22 (amd64) domU Kernel doesnt boot - kernel panic
Hello no, got a kernel panic too: [7257008.739405] SLUB: Genslabs=14, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [7257008.739427] Hierarchical RCU implementation. [7257008.739432] NR_IRQS:2304 [7257008.739821] Console: colour dummy device 80x25 [7257008.739918] console [tty0] enabled [7257008.740107] console [hvc0] enabled [7257008.740137] installing Xen timer for CPU 0 [7257008.740160] BUG: unable to handle kernel NULL pointer dereference at (null) [7257008.740169] IP: [<(null)>] (null) [7257008.740175] PGD 0 [7257008.740179] Thread overran stack, or stack corrupted [7257008.740184] Oops: 0010 [#1] SMP [7257008.740190] last sysfs file: [7257008.740194] CPU 0 [7257008.740198] Modules linked in: [7257008.740205] Pid: 0, comm: swapper Not tainted 2.6.32.22 #1 [7257008.740210] RIP: e030:[<0000000000000000>] [<(null)>] (null) [7257008.740217] RSP: e02b:ffffffff81807da0 EFLAGS: 00010082 [7257008.740222] RAX: ffffffff81b64a50 RBX: 0000000000000000 RCX: 00000000000002 00 [7257008.740229] RDX: 0000000000000000 RSI: ffffffff81b454a8 RDI: 00000000000000 00 [7257008.740235] RBP: ffffffff81807db8 R08: ffff88007fc18080 R09: ffffffff818957 30 [7257008.740241] R10: ffffffff81895750 R11: 0000000000000001 R12: ffffffff818292 40 [7257008.740248] R13: ffff88007fc1b000 R14: 0000000000000000 R15: ffffffff818292 a4 [7257008.740259] FS: 0000000000000000(0000) GS:ffff880001fd8000(0000) knlGS:000 0000000000000 [7257008.740266] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [7257008.740272] CR2: 0000000000000000 CR3: 0000000001001000 CR4: 00000000000026 60 [7257008.740279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 00000000000000 00 [7257008.740286] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000004 00 [7257008.740292] Process swapper (pid: 0, threadinfo ffffffff81806000, task ffff ffff818999f0) [7257008.740299] Stack: [7257008.740302] ffffffff8107cac5 0000000000000000 00000000ffffffda ffffffff818 07dd8 [7257008.740312] <0> ffffffff8107caa5 ffffffff815a94b1 ffffffff81829240 ffffffff 81807e18 [7257008.740323] <0> ffffffff8107c009 0000000000000200 ffff88007fc1b000 00000000 fffffff4 [7257008.740336] Call Trace: [7257008.740346] [<ffffffff8107cac5>] ? default_enable+0x1a/0x28 [7257008.740354] [<ffffffff8107caa5>] default_startup+0x19/0x1f [7257008.740363] [<ffffffff815a94b1>] ? _spin_lock_irqsave+0x19/0x32 [7257008.740371] [<ffffffff8107c009>] __setup_irq+0x197/0x2cf [7257008.740379] [<ffffffff8100e05f>] ? xen_timer_interrupt+0x0/0x182 [7257008.740386] [<ffffffff8107c22d>] request_threaded_irq+0xec/0x12b [7257008.740396] [<ffffffff812b278c>] bind_virq_to_irqhandler+0x13f/0x163 [7257008.740404] [<ffffffff8100e05f>] ? xen_timer_interrupt+0x0/0x182 [7257008.740411] [<ffffffff8100e01a>] xen_setup_timer+0x59/0x9e [7257008.740420] [<ffffffff8198f5a3>] xen_time_init+0xb7/0xc0 [7257008.740427] [<ffffffff8198fa27>] x86_late_time_init+0xa/0x11 [7257008.740434] [<ffffffff8198bc2f>] start_kernel+0x2fe/0x385 [7257008.740441] [<ffffffff8198b2bf>] x86_64_start_reservations+0xaa/0xae [7257008.740448] [<ffffffff8198ead2>] xen_start_kernel+0x541/0x548 [7257008.740453] Code: Bad RIP value. [7257008.740463] RIP [<(null)>] (null) [7257008.740468] RSP <ffffffff81807da0> [7257008.740472] CR2: 0000000000000000 [7257008.740482] ---[ end trace 4eaa2a86a8e2da22 ]--- [7257008.740487] Kernel panic - not syncing: Attempted to kill the idle task! [7257008.740494] Pid: 0, comm: swapper Tainted: G D 2.6.32.22 #1 [7257008.740499] Call Trace: [7257008.740504] [<ffffffff815a7537>] panic+0xa0/0x158 [7257008.740510] [<ffffffff815a7656>] ? printk+0x67/0x69 [7257008.740519] [<ffffffff81055e60>] ? blocking_notifier_call_chain+0xf/0x11 [7257008.740528] [<ffffffff81042b76>] do_exit+0x79/0x6c9 [7257008.740534] [<ffffffff815aa492>] oops_end+0xb9/0xc1 [7257008.740541] [<ffffffff8102aeed>] no_context+0x1ea/0x1f9 [7257008.740547] [<ffffffff8102b0b5>] __bad_area_nosemaphore+0x1b9/0x1df [7257008.740556] [<ffffffff8108ec17>] ? __alloc_pages_nodemask+0x11a/0x5e7 [7257008.740563] [<ffffffff8100dd01>] ? xen_force_evtchn_callback+0xd/0xf [7257008.740570] [<ffffffff8100e352>] ? check_events+0x12/0x20 [7257008.740576] [<ffffffff8102b0e9>] bad_area_nosemaphore+0xe/0x10 [7257008.740584] [<ffffffff815ab98a>] do_page_fault+0x1a0/0x2d6 [7257008.740590] [<ffffffff815a9975>] page_fault+0x25/0x30 [7257008.740597] [<ffffffff8107cac5>] ? default_enable+0x1a/0x28 [7257008.740604] [<ffffffff8107caa5>] default_startup+0x19/0x1f [7257008.740611] [<ffffffff815a94b1>] ? _spin_lock_irqsave+0x19/0x32 [7257008.740617] [<ffffffff8107c009>] __setup_irq+0x197/0x2cf [7257008.740624] [<ffffffff8100e05f>] ? xen_timer_interrupt+0x0/0x182 [7257008.740631] [<ffffffff8107c22d>] request_threaded_irq+0xec/0x12b [7257008.740638] [<ffffffff812b278c>] bind_virq_to_irqhandler+0x13f/0x163 [7257008.940292] [<ffffffff8100e05f>] ? xen_timer_interrupt+0x0/0x182 [7257008.940305] [<ffffffff8100e01a>] xen_setup_timer+0x59/0x9e [7257008.940317] [<ffffffff8198f5a3>] xen_time_init+0xb7/0xc0 [7257008.940327] [<ffffffff8198fa27>] x86_late_time_init+0xa/0x11 [7257008.940336] [<ffffffff8198bc2f>] start_kernel+0x2fe/0x385 [7257008.940345] [<ffffffff8198b2bf>] x86_64_start_reservations+0xaa/0xae [7257008.940355] [<ffffffff8198ead2>] xen_start_kernel+0x541/0x548 Best regards Gio Von: Jeremy Fitzhardinge <jeremy@xxxxxxxx> An: Giovanni Bellac <giovannib1979@xxxxxxxxx> CC: xen-devel@xxxxxxxxxxxxxxxxxxx Gesendet: Donnerstag, den 23. September 2010, 0:48:57 Uhr Betreff: Re: [Xen-devel] 2.6.32.22 (amd64) domU Kernel doesnt boot - kernel panic On 09/21/2010 03:02 AM, Giovanni Bellac wrote: > Hello > > I have used my 2.6.32.20 config and compiled now a 2.6.32.22 from > kernel.org. > 2.6.32.22 has the important security fix (local user can be root with > a exploit). Does this help? Thanks, J From: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx> Date: Wed, 22 Sep 2010 15:28:52 -0700 Subject: [PATCH] xen: set up IRQ before binding virq to evtchn Make sure the irq is set up before binding a virq event channel to it. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx> diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 3132a5e..cd17f86 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -426,6 +426,11 @@ static int bind_virq_to_irq(unsigned int virq, unsigned int cpu) irq = per_cpu(virq_to_irq, cpu)[virq]; if (irq == -1) { + irq = find_unbound_irq(); + + set_irq_chip_and_handler_name(irq, &xen_percpu_chip, + handle_percpu_irq, "virq"); + bind_virq.virq = virq; bind_virq.vcpu = cpu; if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_virq, @@ -433,11 +438,6 @@ static int bind_virq_to_irq(unsigned int virq, unsigned int cpu) BUG(); evtchn = bind_virq.port; - irq = find_unbound_irq(); - - set_irq_chip_and_handler_name(irq, &xen_percpu_chip, - handle_percpu_irq, "virq"); - evtchn_to_irq[evtchn] = irq; irq_info[irq] = mk_virq_info(evtchn, virq); _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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