From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: kernel test robot <xiaolong.ye@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>,
Anna-Maria Gleixner <anna-maria@linutronix.de>,
Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@suse.de>,
Denys Vlasenko <dvlasenk@redhat.com>,
Jan Beulich <JBeulich@suse.com>,
Jiang Liu <jiang.liu@linux.intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Viresh Kumar <viresh.kumar@linaro.org>,
LKML <linux-kernel@vger.kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
tipbuild@zytor.com, lkp@01.org
Subject: Re: [lkp] [x86/hpet] a28b41ab00: RIP: 0010:[<ffffffff84884ef2>] [<ffffffff84884ef2>] __lock_acquire+0xce/0x649
Date: Fri, 15 Jul 2016 18:09:25 +0200 [thread overview]
Message-ID: <20160715160925.GD16938@linutronix.de> (raw)
In-Reply-To: <20160714025320.GB16221@yexl-desktop>
* kernel test robot | 2016-07-14 10:53:20 [+0800]:
>FYI, we noticed the following commit:
>
>https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.smp/hotplug
>commit a28b41ab00dc93b9b16deda9d9b4b26601444f6d ("x86/hpet: Convert to hotplug state machine")
This is gone in the meantime. I have head
ecd8081f6fb9032c41e5c38885f06836da6ab455 of WIP.hotplug. The commit in
question is in as 48d7f6c71578 ("x86/hpet: Convert to hotplug state
machine").
>in testcase: boot
>
>on test machine: 2 threads qemu-system-x86_64 -enable-kvm -cpu Nehalem with 320M memory
>
>caused below changes:
…
>[ 1.659021] Unpacking initramfs...
>[ 1.696928] workqueue: round-robin CPU selection forced, expect performance impact
>[ 1.702995] general protection fault: 0000 [#1]
>[ 1.704143] Modules linked in:
>[ 1.704950] CPU: 0 PID: 1 Comm: swapper Not tainted 4.7.0-rc7-00193-ga28b41a #1
>[ 1.709158] task: ffff880012052000 ti: ffff880012054000 task.ti: ffff880012054000
>[ 1.713142] RIP: 0010:[<ffffffff84884ef2>] [<ffffffff84884ef2>] __lock_acquire+0xce/0x649
The tree I mentioned boots, I get pass this point and am in
|[ 64.481048] rcu-torture: Reader Pipe: 2 0 0 0 0 0 0 0 0 0 0
so you might have tested a stale version of the patch queue.
Sebastian
prev parent reply other threads:[~2016-07-15 16:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-14 2:53 [lkp] [x86/hpet] a28b41ab00: RIP: 0010:[<ffffffff84884ef2>] [<ffffffff84884ef2>] __lock_acquire+0xce/0x649 kernel test robot
2016-07-15 16:09 ` Sebastian Andrzej Siewior [this message]
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