From: Pavel Machek <pavel@ucw.cz>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <llong@redhat.com>,
kernel list <linux-kernel@vger.kernel.org>,
mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
x86@kernel.org, hpa@zytor.com, peterz@infradead.org,
will@kernel.org, miriam.rachel.korenblit@intel.com,
linux-wireless@vger.kernel.org, Petr Mladek <pmladek@suse.com>,
John Ogness <jogness@linutronix.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>, Tejun Heo <tj@kernel.org>,
Simona Vetter <simona@ffwll.ch>,
Thierry Reding <thierry.reding@gmail.com>
Subject: Re: locking problems in iwlwifi? was Re: 6.16-rcX: crashing way too often on thinkpad X220
Date: Fri, 25 Jul 2025 21:05:38 +0200 [thread overview]
Message-ID: <aIPVghzeOTawpTeT@duo.ucw.cz> (raw)
In-Reply-To: <87v7ngpa43.ffs@tglx>
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Hi!
> Enable framebuffer and framebuffer console. Add console=tty0 to the
> kernel command line.
>
> Log into FB console and do
>
> # echo -e '\033[?17;0;64c'
>
> which enables the software cursor, which in turn enables the above
> conditional invocation of fbcon_del_cursor_work(). Then force a printk
>
> # echo h >/proc/sysrq-trigger
>
> and watch the show.
Heh, fun. Yes, long, long time ago I enabled software cursor. I
don't normally use the console these days, but I switched to console
for debugging the wireless problem -- hoping I would catch some kind
of backtrace on the console.
Best regards,
Pavel
--
I don't work for Nazis and criminals, and neither should you.
Boycott Putin, Trump, and Musk!
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next prev parent reply other threads:[~2025-07-25 19:05 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <aH/L1PCwtwe8Y1+a@duo.ucw.cz>
[not found] ` <aID6XPLXuGo+ViTm@duo.ucw.cz>
2025-07-23 15:42 ` locking problems in iwlwifi? was Re: 6.16-rcX: crashing way too often on thinkpad X220 Pavel Machek
2025-07-23 17:13 ` Johannes Berg
2025-07-23 20:37 ` Pavel Machek
2025-07-24 8:50 ` John Ogness
2025-07-23 21:42 ` Pavel Machek
2025-09-15 9:32 ` Pavel Machek
2025-07-23 17:31 ` Thomas Gleixner
2025-07-23 17:32 ` Thomas Gleixner
2025-07-24 17:15 ` Pavel Machek
2025-07-24 17:51 ` Waiman Long
2025-07-24 17:55 ` Waiman Long
2025-07-24 21:24 ` Thomas Gleixner
2025-07-25 15:23 ` Thomas Gleixner
2025-07-25 19:05 ` Pavel Machek [this message]
2025-07-24 19:07 ` Pavel Machek
2025-07-24 19:22 ` Waiman Long
2025-07-24 22:21 ` Thomas Gleixner
2025-07-25 1:56 ` Waiman Long
2025-07-24 19:45 ` John Ogness
2025-07-25 0:16 ` Waiman Long
2025-07-25 13:44 ` Thomas Gleixner
2025-07-25 19:38 ` Waiman Long
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