linux-kernel - Re: 2.6.25-rc5.git4 regression PS/2 mouse not detected/working

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 2 Apr 2008 23:00:13 +0530
From:	Balaji Rao <balajirrao@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Yanko Kaneti <yaneti@...lera.com>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, mingo@...e.hu,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: 2.6.25-rc5.git4 regression PS/2 mouse not detected/working

On Wednesday 02 April 2008 09:03:28 pm Dmitry Torokhov wrote:
> Hi Blaji,
> 
> On Wed, Apr 02, 2008 at 08:38:33PM +0530, Balaji Rao wrote:
> > 
> > Coincidentally even I hit upon this bug a couple of days ago after enabling 
> > HPET in my BIOS. A quick check told me that IRQ 12 which the patch assigns to 
> > the HPET device is used by the PS/2 mouse as well. This makes the mouse 
> > inactive.
> > 
> > I am working on this.. I am not sure if the PS/2 code is misbehaving though..
> >
> 
> Normally IRQ12 can not be shared on X86 if PS/2 mouse is present.
> If PCI side tries to grab the IRQ then ISA (legacy) side will never
> see its interrupts coming.
> 
OK. So, I need to specifically check for IRQ12 being assigned and avoid it ?

-- 
regards,
balaji rao
Dept. of Mechanical Engineering,
National Institute of Technology Karnataka, India
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/