lkml.org 
[lkml]   [2009]   [Sep]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: 2.6.31-07068-g43c1266 Early boot exception
    On Tue, 22 Sep 2009 18:08:39 +0900
    Tejun Heo <tj@kernel.org> wrote:

    > Tony Vroon wrote:
    > > Thanks Ingo. 11-step bisection reveals:
    > >
    > > chainsaw@prometheus /cvs/linux-2.6 $ git bisect bad
    > > fd1e8a1fe2b54df6c185b4fa65f181f50b9c4d4e is the first bad commit
    > > commit fd1e8a1fe2b54df6c185b4fa65f181f50b9c4d4e
    > > Author: Tejun Heo <tj@kernel.org>
    > > Date: Fri Aug 14 15:00:51 2009 +0900
    > >
    > > percpu: introduce pcpu_alloc_info and pcpu_group_info
    > >
    > > I will repeat the early exception here:
    > > IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
    > > ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
    > > ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
    > > ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
    > > ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
    > > Using ACPI (MADT) for SMP configuration information
    > > ACPI: HPET id: 0x10de8201 base: 0xfed00000
    > > SMP: allowing 12 CPUs, 0 hotplug CPUs
    > > Allocating PCI resources starting at b00000000
    > > (gap:b00000000:3000000 NR_CPUS: 12 nr_cpumask_bits:12 nr_cpu_ids:12
    > > nr_node_ids:2 PERCPU: Embedded 23 pages/cpu @ffff880028200000
    > > s73688 r0 d20520 u262 PANIC: early exception 06 rip
    > > 10:ffffffff815a50e6 error 0 cr2 d0fff6 Pid: 0, comm: swapper Not
    > > tained 2.6.31-07068-g43c266 #1 Call Trace:
    > > [<ffffffff81591175>] early_idt_handler+0x55/0x68
    > > [<ffffffff815a50e6>] ? pcpu_setup_first_chunk+0x40b/0x692
    > > [<ffffffff815a50ff>] ? pcpu_setup_first_chunk+0x424/0x692
    > > [<ffffffff815a5867>] pcpu_embed_first_chunk+0x1e2/0x241
    > > [<ffffffff81598c14>] ? pcpu_fc_alloc+0x0/0xac
    > > [<ffffffff81598bf5>] ? pcpu_fc_free+0x0/0x1f
    > > [<ffffffff81598a36>] setup_per_cpu_areas+0x65/0x219
    > > [<ffffffff815919bf>] start_kernel+0x124/0x2c5
    > > [<ffffffff81591252>] x86_64_start_reservations+0x82/0x86
    > > [<ffffffff8159133a>] x86_64_start_kernel+0xe4/0xeb
    > > RIP pcpu_setup_first_chunk+0x40b/0x692
    >
    > Can you please try the patch below? Also, please build the kernel
    > with debug info and ask gdb which line the crash corresponds to?
    > ie. l *pcpu_embed_first_chunk+0x1e2

    if you build with debuginfo.. run
    perl scripts/markup_oops.pl on your dmesg

    that gives you not just the line, but the whole context of the crash.



    --
    Arjan van de Ven Intel Open Source Technology Centre
    For development, discussion and tips for power savings,
    visit http://www.lesswatts.org


    \
     
     \ /
      Last update: 2009-09-22 11:25    [W:0.022 / U:31.128 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site