From: Oliver Sang <oliver.sang@intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
<linux-kernel@vger.kernel.org>, <oliver.sang@intel.com>
Subject: Re: [peterz-queue:sched/hrtick] [entry,hrtimer,x86] ebf33ab570: BUG:soft_lockup-CPU##stuck_for#s![pthread_mutex1_:#]
Date: Fri, 12 Sep 2025 10:03:39 +0800 [thread overview]
Message-ID: <aMN/e2MHdJaaGT6z@xsang-OptiPlex-9020> (raw)
In-Reply-To: <20250911073304.GN4067720@noisy.programming.kicks-ass.net>
hi, Peter Zijlstra,
On Thu, Sep 11, 2025 at 09:33:04AM +0200, Peter Zijlstra wrote:
> On Mon, Sep 08, 2025 at 01:24:54PM +0800, kernel test robot wrote:
> >
> >
> > Hello,
> >
> > kernel test robot noticed "BUG:soft_lockup-CPU##stuck_for#s![pthread_mutex1_:#]" on:
> >
> > commit: ebf33ab5707c7c9ea25e3c03540b1329ad9aff1d ("entry,hrtimer,x86: Push reprogramming timers into the interrupt return path")
> > https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git sched/hrtick
> >
> > in testcase: will-it-scale
> > version: will-it-scale-x86_64-75f66e4-1_20250906
> > with following parameters:
> >
> > nr_task: 100%
> > mode: thread
> > test: pthread_mutex1
> > cpufreq_governor: performance
> >
> >
> >
> > config: x86_64-rhel-9.4
> > compiler: gcc-13
> > test machine: 64 threads 2 sockets Intel(R) Xeon(R) Gold 6346 CPU @ 3.10GHz (Ice Lake) with 256G memory
> >
> > (please refer to attached dmesg/kmsg for entire log/backtrace)
> >
>
> Is this the same issue again as last time? Eg. disabling all the perf
> monitors makes it go?
yes, if disabling all monitors, the issue disappeared.
next prev parent reply other threads:[~2025-09-12 2:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-08 5:24 kernel test robot
2025-09-11 7:33 ` Peter Zijlstra
2025-09-12 2:03 ` Oliver Sang [this message]
2025-09-18 7:45 ` Peter Zijlstra
2025-09-19 5:31 ` Oliver Sang
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