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

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Date: Mon, 8 Apr 2024 13:18:52 +0200
From: Paul Menzel <pmenzel@...gen.mpg.de>
To: Anna-Maria Behnsen <anna-maria@...utronix.de>
Cc: Frederic Weisbecker <frederic@...nel.org>, Ingo Molnar
 <mingo@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
 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

Dear Anna-Maria,

Thank you for your response.

Am 08.04.24 um 12:10 schrieb Anna-Maria Behnsen:

> Paul Menzel writes:

>> 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
Unfortunately I haven’t been able to reproduce it until now. Should it 
happen again, I am going to try your suggestion.

Kind regards,

Paul