From: Dmitry Torokhov <dtor_core@ameritech.net>
To: linux-kernel@vger.kernel.org
Cc: Eyal Lebedinsky <eyal@eyal.emu.id.au>
Subject: Re: help: sysrq and X
Date: Sun, 21 Nov 2004 18:46:17 -0500 [thread overview]
Message-ID: <200411211846.17628.dtor_core@ameritech.net> (raw)
In-Reply-To: <41A122E0.8070307@eyal.emu.id.au>
On Sunday 21 November 2004 06:21 pm, Eyal Lebedinsky wrote:
> I am trying to diagnose a hard lockup. The only way I can reproduce it is
> with mythtv. When the system locks up (no mouse, no activity in X, no message
> logged) I can use magic sysrq, but I cannot see the output.
>
> Using 'r' does not enable console switching. However 'b' will boot the
> system, and I hope 's' and 'u' did something blindly.
>
> I there a way to regain a text console in order to inspect the kernel?
>
Try use SysRQ+K (SAK) - 95% when my X server locks up I can use SAK and then
killall -9 X and everythig is fine.
--
Dmitry
prev parent reply other threads:[~2004-11-21 23:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-21 23:21 help: sysrq and X Eyal Lebedinsky
2004-11-21 23:39 ` Andrew Morton
2004-11-21 23:46 ` Dmitry Torokhov [this message]
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