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SubjectRe: 2.6.24-rc3-mm1 - Kernel Panic on IO-APIC
On Nov 21, 2007 10:29 AM, Andrew Morton <akpm@linux-foundation.org> wrote:
> On Wed, 21 Nov 2007 14:52:26 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
>
> > Andrew Morton wrote:
> > > On Wed, 21 Nov 2007 11:41:23 +0530 Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> wrote:
> > >> ACPI: Core revision 20070126
> > >> ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> > >> Kernel panic - not syncing: IO-APIC + timer doesn't work! Try using the 'noapic' kernel parameter

I seen an identical error.

> > > ACPI or x86 breakage, I guess.
> > >
> > > Did 'noapic' work?
> >
> > Passing noapic works,
>
> OK.

Not for me. I get a similar oops, but then the kernel panics

> > but the kernel oops's
> >
> > [ 97.161103] Unable to handle kernel NULL pointer dereference at 0000000000000009 RIP:
> > [ 97.193973] [<ffffffff802341df>] cpu_to_allnodes_group+0x69/0x7c
[snip]
> urgh, mess. Enabling frame pointers might help here.

CONFIG_FRAME_POINTER=y

The oops/panic that happens with noapic:
[ 35.866758] Initializing CPU#3
[ 35.868769] Stuck ??
[ 35.874043] Inquiring remote APIC #3...
[ 35.877896] ... APIC #3 ID: 03000000
[ 35.881523] ... APIC #3 VERSION: 80050010
[ 35.885587] ... APIC #3 SPIV: 000001ff
[ 35.889390] Brought up 1 CPUs
[ 35.892375] Unable to handle kernel NULL pointer dereference at
0000000000000009 RIP:
[ 35.897868] [<ffffffff8022fc5b>] cpu_to_allnodes_group+0x4b/0x60
[ 35.906464] PGD 0
[ 35.908523] Oops: 0000 [1] SMP
[ 35.911757] last sysfs file:
[ 35.914740] CPU 0
[ 35.916798] Modules linked in:
[ 35.919990] Pid: 1, comm: swapper Not tainted 2.6.24-rc3-mm1 #2
[ 35.925914] RIP: 0010:[<ffffffff8022fc5b>] [<ffffffff8022fc5b>]
cpu_to_allnodes_group+0x4b/0x60
[ 35.934734] RSP: 0000:ffff81011ff2bdb0 EFLAGS: 00010282
[ 35.940053] RAX: ffffffff8084d870 RBX: ffff810001005810 RCX: 0000000000000004
[ 35.947188] RDX: 0000000000000001 RSI: ffff81011ff26f68 RDI: ffff81011ff2bdb0
[ 35.954323] RBP: ffff81011ff2bdd0 R08: 2222222222222222 R09: 0000000000000000
[ 35.961457] R10: ffff81007ff1c200 R11: 0000000000000200 R12: ffff810001005800
[ 35.968592] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 35.975727] FS: 0000000000000000(0000) GS:ffffffff807d4000(0000)
knlGS:0000000000000000
[ 35.983951] CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[ 35.989701] CR2: 0000000000000009 CR3: 0000000000201000 CR4: 00000000000006a0
[ 35.996836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 36.003971] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 36.011105] Process swapper (pid: 1, threadinfo FFFF81011FF2A000,
task FFFF81007FF2A000)
[ 36.019191] Stack: 0000000000000000 ffffffff807e8f98
0000000000000000 ffff810001005800
[ 36.027373] ffff81011ff2be80 ffffffff80230580 ffffffff8084d640
ffffffff8084d6e0
[ 36.034922] ffffffff8084d780 ffffffff8084d800 ffffffffffffffff
ffff81011ff26f68
[ 36.042247] Call Trace:
[ 36.044929] [<ffffffff80230580>] build_sched_domains+0x460/0x820
[ 36.051701] [<ffffffff805cf489>] mutex_lock_nested+0x199/0x2e0
[ 36.057624] [<ffffffff80230991>] arch_init_sched_domains+0x51/0x60
[ 36.063895] [<ffffffff8080e422>] sched_init_smp+0x22/0xe0
[ 36.069385] [<ffffffff80806825>] smp_cpus_done+0x25/0x30
[ 36.074791] [<ffffffff807fb739>] kernel_init+0x109/0x350
[ 36.080196] [<ffffffff8025a34f>] trace_hardirqs_on+0xbf/0x160
[ 36.086032] [<ffffffff805d03d2>] trace_hardirqs_on_thunk+0x35/0x3a
[ 36.092303] [<ffffffff8025a34f>] trace_hardirqs_on+0xbf/0x160
[ 36.098141] [<ffffffff8020cbc8>] child_rip+0xa/0x12
[ 36.103113] [<ffffffff8020c2df>] restore_args+0x0/0x30
[ 36.108345] [<ffffffff807fb630>] kernel_init+0x0/0x350
[ 36.113750] [<ffffffff8020cbbe>] child_rip+0x0/0x12
[ 36.118722]
[ 36.120236] INFO: lockdep is turned off.
[ 36.124170]
[ 36.124170] Code: 48 03 42 08 48 89 03 48 83 c4 18 89 c8 5b c9 c3
0f 1f 44 00
[ 36.133640] RIP [<ffffffff8022fc5b>] cpu_to_allnodes_group+0x4b/0x60
[ 36.140116] RSP <ffff81011ff2bdb0>
[ 36.143619] CR2: 0000000000000009
[ 36.146952] Kernel panic - not syncing: Attempted to kill init!
(gdb) list *0xffffffff8022fc5b
0xffffffff8022fc5b is in cpu_to_allnodes_group (kernel/sched.c:6073).
6068
6069 cpus_and(nodemask, nodemask, *cpu_map);
6070 group = first_cpu(nodemask);
6071
6072 if (sg)
6073 *sg = &per_cpu(sched_group_allnodes, group);
6074 return group;
6075 }
6076
6077 static void init_numa_sched_groups_power(struct sched_group *group_head)
Hope this stack trace is better.

Torsten
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