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From: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Kalle Valo <kvalo@kernel.org>, Borislav Petkov <bp@alien8.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	x86@kernel.org, linux-pm@vger.kernel.org,
	linux-kernel@vger.kernel.org, regressions@lists.linux.dev,
	Jeff Johnson <quic_jjohnson@quicinc.com>,
	Daniel Sneddon <daniel.sneddon@linux.intel.com>
Subject: Re: [regression] suspend stress test stalls within 30 minutes
Date: Thu, 16 May 2024 08:41:50 -0700	[thread overview]
Message-ID: <20240516154150.46w4h2ro6sm5yyzx@desk> (raw)
In-Reply-To: <ab00d8e5-8400-451e-9435-becb0b3fa80c@intel.com>

On Thu, May 16, 2024 at 07:32:54AM -0700, Dave Hansen wrote:
> On 5/16/24 07:25, Pawan Gupta wrote:
> > On Thu, May 16, 2024 at 12:03:22AM -0700, Pawan Gupta wrote:
> >> I am running the suspend test now and will update in the morning if I
> >> could reproduce the hang.
> > Completed 500 suspend iterations, but the hang is not reproduced 🙁
> > I have restarted the test.
> > 
> > BTW, could you please share your /proc/cmdline? Also, was there any
> > workload running with the suspend test? If I could not reproduce it in the
> > next run, I will run stress-ng with the suspend test.
> 
> I'd suggest two things:
> 
>   * Run everything in tools/testing/selftests/x86 in a loop during the
>     suspend test.
>   * Run perf or something else to generate some NMIs.

Will do.

> Those will ensure the dark corners of the entry code are being
> sufficiently prodded.
> 
> I also have sneaking suspicion that microcode updates during resume are
> the aggravating factor.

Lets see if Kalle is able to reproduce the hang with "dis_ucode_ldr".

  reply	other threads:[~2024-05-16 15:41 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-11 18:22 [regression] suspend stress test stalls within 30 minutes Kalle Valo
2024-05-11 18:48 ` Borislav Petkov
2024-05-11 18:49   ` Borislav Petkov
2024-05-11 20:26     ` Kalle Valo
2024-05-13 19:58       ` Kalle Valo
2024-05-14 13:17         ` Kalle Valo
2024-05-14 16:05           ` Borislav Petkov
2024-05-14 17:36             ` Pawan Gupta
2024-05-17 17:15             ` Kalle Valo
2024-05-17 17:22               ` Dave Hansen
2024-05-17 18:37                 ` Kalle Valo
2024-05-17 18:48                   ` Dave Hansen
2024-05-17 18:58                     ` Kalle Valo
2024-05-17 19:08                       ` Rafael J. Wysocki
2024-05-17 19:00                   ` Rafael J. Wysocki
2024-05-22  1:52                     ` Len Brown
2024-05-17 17:26               ` Borislav Petkov
2024-05-17 18:22                 ` Kalle Valo
2024-05-14 16:10           ` Dave Hansen
2024-05-15  7:22             ` Pawan Gupta
2024-05-15  7:44               ` Borislav Petkov
2024-05-15 16:27                 ` Pawan Gupta
2024-05-15 16:47                   ` Kalle Valo
2024-05-16  7:03                     ` Pawan Gupta
2024-05-16 14:25                       ` Pawan Gupta
2024-05-16 14:32                         ` Dave Hansen
2024-05-16 15:41                           ` Pawan Gupta [this message]
2024-05-17 17:41                         ` Kalle Valo
2024-05-17 18:31                           ` Pawan Gupta
2024-05-17 17:23                   ` Kalle Valo
2024-05-17 17:19               ` Kalle Valo

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