linux-kernel - Re: NOHZ tick-stop error: local softirq work is pending, handler #08!!! on Dell XPS 13 9360

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Message-ID: <87o7ak411y.fsf@somnus>
Date: Mon, 08 Apr 2024 12:10:49 +0200
From: Anna-Maria Behnsen <anna-maria@...utronix.de>
To: Paul Menzel <pmenzel@...gen.mpg.de>, Frederic Weisbecker
 <frederic@...nel.org>, Ingo Molnar <mingo@...nel.org>, Thomas Gleixner
 <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>, linux-usb@...r.kernel.org
Subject: Re: NOHZ tick-stop error: local softirq work is pending, handler
 #08!!! on Dell XPS 13 9360

Hi Paul,

Paul Menzel <pmenzel@...gen.mpg.de> writes:

> Dear Linux folks,
>
>
> On Dell XPS 13 9360/0596KF, BIOS 2.21.0 06/02/2022, with Linux 6.9-rc2+ 
> built from commit b1e6ec0a0fd0 (Merge tag 'docs-6.9-fixes' of 
> git://git.lwn.net/linux) the external USB-C adapter Dell DA300 stopped 
> working (only the Ethernet port was used). Linux logged:

thanks for the report. Can you please provide a trace beside the dmesg
output? The following trace events should be enabled (via kernel command
line):

trace_event=timer:*,timer_migration:*,sched:sched_switch,sched:sched_wakeup,sched:sched_process_hang,irq:softirq_entry,irq:softirq_raise,irq:softirq_exit

Thanks,

	Anna-Maria