linux-kernel - Re: c928e9b143: BUG:soft_lockup-CPU##stuck

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Date:   Tue, 16 Mar 2021 12:43:14 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
        lkp@...ts.01.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Laurence Oberman <loberman@...hat.com>,
        Vincent Whitchurch <vincent.whitchurch@...s.com>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: c928e9b143: BUG:soft_lockup-CPU##stuck_for#s![perf:#]

On Mon 2021-03-15 22:04:41, kernel test robot wrote:
> 
> 
> Greeting,
> 
> FYI, we noticed the following commit (built with gcc-9):
> 
> commit: c928e9b1439de4d74b942abd30d5c838a40af777 ("[PATCH v2 7/7] Test softlockup")
> url: https://github.com/0day-ci/linux/commits/Petr-Mladek/watchdog-softlockup-Report-overall-time-and-some-cleanup/20210311-205501
> base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git a74e6a014c9d4d4161061f770c9b4f98372ac778

Just for record. Please, ignore this error. The patch is not intended
for upstream.

This patch was provided only for testing purposes. It causes
softlockup, so it works as expected.

Best Regards,
Petr