From: Peter Zijlstra <peterz@infradead.org>
To: Tim Sander <tim.sander@hbm.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"Paul E. McKenney" <paulmck@us.ibm.com>,
linux-rt-users <linux-rt-users@vger.kernel.org>
Subject: Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7
Date: Thu, 11 Aug 2011 18:14:45 +0200 [thread overview]
Message-ID: <1313079285.8491.4.camel@twins> (raw)
In-Reply-To: <201108111804.11136.tim.sander@hbm.com>
On Thu, 2011-08-11 at 18:04 +0200, Tim Sander wrote:
>
> kernel BUG at kernel/posix-cpu-timers.c:1315!
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> pgd = c0004000
> [00000000] *pgd=00000000
> Internal error: Oops: 817 [#1] PREEMPT
> Modules linked in: i2c_imx(+) netx netx_reset dspload fpgaload mxc_nand(+) nand nand_ids nand_ecc
> CPU: 0 Not tainted (3.0.0-pmx-rt8-00009-g39305ab #167)
> PC is at __bug+0x24/0x30
> LR is at walk_stackframe+0x24/0x40
> pc : [<c002cbf0>] lr : [<c002cbb0>] psr: 60000113
> sp : c782ff40 ip : c782fe28 fp : c782ff4c
> r10: 00000001 r9 : 00000000 r8 : c78663c0
> r7 : c030463c r6 : c782e000 r5 : 00000000 r4 : c78663c0
> r3 : 00000000 r2 : 00000001 r1 : c782fe58 r0 : 00000034
> Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
> Control: 00c5387d Table: 87b70008 DAC: 00000017
> Process posixcputmr/0 (pid: 6, stack limit = 0xc782e268)
> Stack: (0xc782ff40 to 0xc7830000)
> ff40: c782ff8c c782ff50 c005a5c0 c002cbd8 00000000 c782ff54 c782ff54 00000000
> ff60: 00000000 c78663c0 00000000 c782e000 c030463c c78663c0 00000000 00000001
> ff80: c782ffbc c782ff90 c005a88c c005a594 00000000 c7817f28 00000000 c782ffcc
> ffa0: c005a800 00000000 00000000 00000000 c782fff4 c782ffc0 c00570f0 c005a80c
> ffc0: c7817f28 00000000 00000000 00000000 c782ffd0 c782ffd0 c7817f28 c0057064
> ffe0: c0040868 00000013 00000000 c782fff8 c0040868 c0057070 cccdcd6c ffdec890
> Backtrace:
> [<c002cbcc>] (__bug+0x0/0x30) from [<c005a5c0>] (__run_posix_cpu_timers+0x38/0x278)
> [<c005a588>] (__run_posix_cpu_timers+0x0/0x278) from [<c005a88c>] (posix_cpu_timers_thread+0x8c/0x124)
> [<c005a800>] (posix_cpu_timers_thread+0x0/0x124) from [<c00570f0>] (kthread+0x8c/0x94)
> [<c0057064>] (kthread+0x0/0x94) from [<c0040868>] (do_exit+0x0/0x2d8)
> r7:00000013 r6:c0040868 r5:c0057064 r4:c7817f28
> Code: e59f0010 e1a01003 eb086a88 e3a03000 (e5833000)
> ---[ end trace d632afeaa11559d4 ]---
Yay a new one, and this is a PREEMPT_LL build right? /me goes poke at
it.
next prev parent reply other threads:[~2011-08-11 16:15 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-05 21:44 [ANNOUNCE] 3.0.1-rt8 Peter Zijlstra
2011-08-08 13:55 ` rcu stalls running 3.0.1-rt8 Mike Galbraith
2011-08-08 23:10 ` Paul E. McKenney
2011-08-09 1:14 ` Mike Galbraith
2011-08-09 15:13 ` [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Tim Sander
2011-08-11 9:43 ` Peter Zijlstra
2011-08-11 11:30 ` Tim Sander
2011-08-11 12:02 ` Peter Zijlstra
2011-08-11 12:52 ` Tim Sander
2011-08-11 12:52 ` Tim Sander
2011-08-11 15:28 ` Tim Sander
2011-08-11 15:28 ` Tim Sander
2011-08-11 12:41 ` Peter Zijlstra
2011-08-11 16:04 ` Tim Sander
2011-08-11 16:04 ` Tim Sander
2011-08-11 16:14 ` Peter Zijlstra [this message]
2011-08-11 16:22 ` Tim Sander
2011-08-11 16:41 ` Tim Sander
2011-08-11 16:41 ` Tim Sander
2011-08-11 16:39 ` Peter Zijlstra
2011-08-11 17:08 ` Tim Sander
2011-08-11 17:08 ` Tim Sander
2011-08-11 18:05 ` Peter Zijlstra
2011-08-11 18:05 ` Peter Zijlstra
2011-08-12 8:59 ` Tim Sander
2011-08-12 8:59 ` Tim Sander
2011-08-11 10:45 ` Peter Zijlstra
2011-08-11 15:36 ` Tim Sander
2011-08-11 15:36 ` Tim Sander
2011-08-09 18:31 ` [ANNOUNCE] 3.0.1-rt8 Fernando Lopez-Lezcano
2011-08-09 18:47 ` Peter Zijlstra
2011-08-10 1:08 ` Paul E. McKenney
2011-08-10 1:07 ` Paul E. McKenney
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