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Best Regards, Jiafei. -----Original Message----- From: Kurt Kanzenbach =20 Sent: Saturday, June 20, 2020 4:08 PM To: Vladimir Oltean ; Jiafei Pan Cc: linux-rt-users@vger.kernel.org; lkml ; rc= u@vger.kernel.org; Colin King ; Jiafei Pan Subject: Re: [EXT] Re: stress-ng --hrtimers hangs system Caution: EXT Email Hi Jiafei, On Friday, June 12, 2020 2:49:17 AM CEST Jiafei Pan wrote: > Hi, Kurt, > > May I know whether you used "root" user to run stress-ng? using "root" > user will change the scheduler to be "SCHED_RR", so would you please=20 > share test result with root and non-root users? Thanks. Performed the test now as root and non-root user. Same result: No problem. Thanks, Kurt