From: Vojtech Pavlik <vojtech@suse.cz>
To: Russell King <rmk@arm.linux.org.uk>
Cc: LKML <linux-kernel@vger.kernel.org>, Vojtech Pavlik <vojtech@suse.cz>
Subject: Re: 2.5.59: Input subsystem initialised really late
Date: Sun, 19 Jan 2003 00:44:47 +0100 [thread overview]
Message-ID: <20030119004447.A359@ucw.cz> (raw)
In-Reply-To: <E18ZwH5-0007ks-00@flint.arm.linux.org.uk>; from rmk@arm.linux.org.uk on Sat, Jan 18, 2003 at 04:56:51PM +0000
On Sat, Jan 18, 2003 at 04:56:51PM +0000, Russell King wrote:
> It appears to be impossible to get a SysRQ-T dump out of a kernel which
> has hung during (eg) the SCSI initialisation with 2.5.
>
> Unlike previous 2.4 kernels, the keyboard is no longer initialised until
> fairly late - after many of the other drivers have initialised.
> Unfortunately, this means that it is quite difficult to debug these hangs
> (we'll leave discussion about in-kernel debuggers for another time!)
>
> Can we initialise the input subsystem earlier (eg, after pci bus
> initialisation, before disks etc) so that we do have the ability to use
> the SysRQ features?
I think this should be possible, yes.
--
Vojtech Pavlik
SuSE Labs
next prev parent reply other threads:[~2003-01-18 23:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-18 16:56 2.5.59: Input subsystem initialised really late Russell King
2003-01-18 23:44 ` Vojtech Pavlik [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-03-31 0:38 Randy.Dunlap
2003-04-01 7:58 Randy.Dunlap
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