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    SubjectRe: 2.6.25-rc5.git4 regression PS/2 mouse not detected/working
    Hi Yanko,

    On Wed, Apr 02, 2008 at 02:17:31AM +0300, Yanko Kaneti wrote:
    > On Tue, 2008-03-18 at 11:54 -0400, Dmitry Torokhov wrote:
    > > On Mon, Mar 17, 2008 at 08:58:43PM +0200, Yanko Kaneti wrote:
    > > > On Mon, 2008-03-17 at 14:55 -0400, Dmitry Torokhov wrote:
    > > > > On Mon, Mar 17, 2008 at 07:33:49PM +0200, Yanko Kaneti wrote:
    > > > > >
    > > > > > My PS/2 mouse stops being detected between kernels 2.6.24.3-12.fc8 and
    > > > > > 2.6.25-0.121.rc5.git4.fc9 (which I believe do not carry any patches in
    > > > > > that area). Its an ASUS P5E-VM DO motherboard , bios revision 0506. The
    > > > > > PS/2 keyboard still works.
    > > > > >
    > > > > > Attached are both dmesg logs with i8042.debug=1, dmidecode, lspci -vvnn
    > > > > > Tried i8042.noloop and both the mouse and keyboard stop working.
    > > > > >
    > > > >
    > > > > Could you please send me dmesg from booting with i8042.noloop. I would
    > > > > expect this option to help in your case so I am curious what went wrong.
    > > >
    > > > Attached
    > > >
    > >
    > > Hmm, it looks the kernel does the right thing in case of i8042.noloop,
    > > except that it does not work :(. Kernel triest to query the mouse but
    > > it does not respond.
    > >
    > > Can you try taking contents of drivers/input/serio from 2.6.25 and
    > > copy it in .24? It will most likely compile... If that works I'm
    > > afraid I will ahve to ask you to do git biscect to find the offending
    > > commit.
    >
    > Hey again,
    >
    > I finally did the bisecting. It found the cuplrit to be
    >
    > commit e3f37a54f690d3e64995ea7ecea08c5ab3070faf
    > Author: Balaji Rao <balajirrao@gmail.com>
    > Date: Wed Jan 30 13:30:03 2008 +0100
    >
    > x86: assign IRQs to HPET timers
    >
    >
    > I tried reverting the change on the latest git with the attached patch
    > and my mouse and keyboard appear to be detected and working fine now.
    > The patch had to be stiched by hand and due to my lack of understanding
    > of the code might be breaking random other stuff.
    >
    > FWIW the bios on this board has no knobs for HPET that I could find.
    >
    > What gives?
    >

    Hmm, this is wierd and really outsize of my knowledge... Lets try copying
    Ingo, Thomas and Balaji, maybe they can help us out here.

    Btw, what is in your /proc/interrupts?

    --
    Dmitry


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