linux-kernel - Re: linux-next: Tree for December 11

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Date:	Thu, 11 Dec 2008 15:40:26 +0300
From:	"Alexey Zaytsev" <alexey.zaytsev@...il.com>
To:	"Stephen Rothwell" <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for December 11

On Thu, Dec 11, 2008 at 12:04, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi all,
>
> Changes since 20081210:
>
> New tree:
>        nommu
>
> Undropped tree:
>        sound
>
> Dropped trees (temporarily):
>        v4l-dvb (build problem)
>        mtd (difficult conflicts)
>        drm (build problem)
>        semaphore-removal (due to unfixed conflicts against Linus' tree)
>        cpu_alloc (build problem)
>        perfmon3 (concerns from the x86 team)
>        audit (difficult conflicts)
>        nommu (build problem)
>        staging (build failure)
>
> The driver-core tree gained a build failure that needed a commit reverted.
>
> The ftrace tree gained a conflict against Linus' tree.
>
> The pci tree gained a conflict against the driver-core tree.
>
> The mtd tree gained 3 conflicts against the arm tree which I could not
> easily resolve, so it was dropped.
>
> The ttydev tree gained a conflict against the async_tx tree requiring a
> commit from the async_tx tree to be reverted.
>
> The nommu tree gained conflicts against the slab and kmemcheck trees and
> also a build failure so it was dropped.
>
> ----------------------------------------------------------------------------

Hi.

I'm seeing this warning early in boot logs. It does not appear on 2.6.28-rc7.
Not sure how long it's been around. Haven't built -next for some time.

[    0.004000] Intel machine check reporting enabled on CPU#0.
[    0.004000] using mwait in idle threads.
[    0.004000] Checking 'hlt' instruction... <4>------------[ cut here
]------------
[    0.004167] WARNING: at kernel/sched.c:4364 sub_preempt_count+0xae/0xc0()
[    0.004266] Hardware name: HP Compaq nx7300 (GB848ES#ACB)
[    0.004361] Modules linked in:
[    0.004497] Pid: 0, comm: swapper Not tainted 2.6.28-rc8-next-20081211 #117
[    0.004595] Call Trace:
[    0.004689]  [<c01324d6>] warn_slowpath+0x86/0xa0
[    0.004789]  [<c0155d00>] ? check_usage_forwards+0x10/0xb0
[    0.004886]  [<c015394a>] ? save_trace+0x3a/0xa0
[    0.004981]  [<c015742d>] ? mark_lock+0x37d/0xe00
[    0.005076]  [<c01580f9>] ? __lock_acquire+0x249/0x610
[    0.005175]  [<c04a3a02>] ? _spin_unlock_irq+0x22/0x50
[    0.005272]  [<c0158e50>] ? trace_hardirqs_on_caller+0x70/0x1a0
[    0.005369]  [<c04a3a0d>] ? _spin_unlock_irq+0x2d/0x50
[    0.005465]  [<c0124bfe>] sub_preempt_count+0xae/0xc0
[    0.005564]  [<c0137012>] _local_bh_enable+0x52/0xc0
[    0.005661]  [<c013725f>] __do_softirq+0x11f/0x170
[    0.005756]  [<c0137140>] ? __do_softirq+0x0/0x170
[    0.005851]  <IRQ>  [<c0137729>] ? irq_exit+0x89/0xa0
[    0.005993]  [<c01059ed>] ? do_IRQ+0xad/0x120
[    0.006088]  [<c0103aac>] ? common_interrupt+0x2c/0x34
[    0.006184]  [<c013007b>] ? mmput+0x2b/0xc0
[    0.006281]  [<c06735a8>] ? check_bugs+0xb8/0xe0
[    0.006379]  [<c066b7ea>] ? start_kernel+0x26a/0x310
[    0.006475]  [<c066b270>] ? unknown_bootoption+0x0/0x210
[    0.006572]  [<c066b077>] ? __init_begin+0x77/0xb0
[    0.006674] ---[ end trace 4eaa2a86a8e2da22 ]---
[    0.016004] OK.
[    0.016560] ACPI: Core revision 20081031
[    0.044495] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1

Config and full dmesg attached.

Download attachment "config.gz" of type "application/x-gzip" (13973 bytes)

Download attachment "dmesg.gz" of type "application/x-gzip" (15202 bytes)