From: Tony Vroon <tony@linx.net>
To: Tejun Heo <tj@kernel.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
"Langsdorf, Mark" <mark.langsdorf@amd.com>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: 2.6.31-07068-g43c1266 Early boot exception
Date: Tue, 22 Sep 2009 20:36:26 +0100 [thread overview]
Message-ID: <1253648186.2766.5.camel@localhost> (raw)
In-Reply-To: <4AB89417.7090005@kernel.org>
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On Tue, 2009-09-22 at 18:08 +0900, Tejun Heo wrote:
> 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
Patch applied, no additional output visible:
OAPIC[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:b0000000:30000000)
NR_CPUS: 12 nr_cpumask_bits:12 nr_cpu_ids:12 nr_node_ids:2
PERCPU: Embedded 23 pages/cpu @ffff880028200000 s73688 r0 d20520 u26214
PANIC: early exception 06 rip 10:ffffffff81598250 error 0 cr2 d0fff6
Pid: 0, comm: swapper Not tainted 2.6.31-07068-g43c266-dirty #1
Call Trace:
[<ffffffff815719b5>] early_idt_handler+0x55/0x68
[<ffffffff81587259>] ? pcpu_setup_first_chunk+0x40b/0x703
[<ffffffff81587273>] ? pcpu_setup_first_chunk+0x427/0x703
[<ffffffff81587a78>] pcpu_embed_first_chunk+0x1fd/0x261
[<ffffffff8158a927>] ? pcpu_fc_alloc+0x0/0xac
[<ffffffff8157a908>] ? pcpu_fc_free+0x0/0x1f
[<ffffffff8157a749>] setup_per_cpu_areas+0x65/0x219
[<ffffffff815721ff>] start_kernel+0x124/0x2c5
[<ffffffff81571a92>] x86_64_start_reservations+0x82/0x86
[<ffffffff81571b7a>] x86_64_start_kernel+0xe4/0xeb
RIP pcpu_setup_first_chunk+0x40d/0x703
gdb output:
(gdb) l *pcpu_embed_first_chunk+0x1fd
0xffffffff81587a78 is in pcpu_embed_first_chunk (mm/percpu.c:1845).
1840
1841 pr_info("PERCPU: Embedded %zu pages/cpu @%p s%zu r%zu d%zu u%zu
\n",
1842 PFN_DOWN(size_sum), base, ai->static_size, ai->reserved_size,
1843 ai->dyn_size, ai->unit_size);
1844
1845 rc = pcpu_setup_first_chunk(ai, base);
1846 goto out_free;
1847
1848 out_free_areas:
1849 for (group = 0; group < ai->nr_groups; group++)
Regards,
Tony V.
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next prev parent reply other threads:[~2009-09-22 19:34 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-21 19:14 2.6.31-07068-g43c1266 Early boot exception Tony Vroon
2009-09-21 19:26 ` H. Peter Anvin
2009-09-21 19:35 ` Tony Vroon
2009-09-21 19:36 ` Ingo Molnar
2009-09-21 21:13 ` H. Peter Anvin
2009-09-21 20:47 ` Tony Vroon
2009-09-22 9:08 ` Tejun Heo
2009-09-22 9:23 ` Arjan van de Ven
2009-09-22 11:40 ` Tejun Heo
2009-09-22 19:36 ` Tony Vroon [this message]
2009-09-23 5:52 ` Tejun Heo
2009-09-23 9:19 ` Tony Vroon
2009-09-23 9:23 ` Tejun Heo
2009-09-23 15:46 ` H. Peter Anvin
2009-09-23 23:25 ` Tejun Heo
2009-09-24 0:05 ` Tejun Heo
2009-09-21 19:53 ` 2.6.31-0.1-default-07068-g43c1266 lockdep warning and scheduling while atomic BUG Henk Martijn
2009-09-21 20:04 ` Oliver Neukum
2009-09-21 20:17 ` Henk Martijn
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