Re: keylock regression with i8042 + S3 resume

Re: keylock regression with i8042 + S3 resume

[Nathan Bryant]

Dmitry Torokhov wrote:

>On Tuesday 23 November 2004 05:51 pm, Nathan Bryant wrote:
>  
>
>>Dmitry Torokhov wrote:
>>
>>    
>>
>>>It looks like the controller got "stuck" with OBF bit set. There is no response
>>>to any of the commands sent to it and any read returns 0 with both "timeout"
>>>and "bad parity" flags set.
>>>
>>>I wonder if latest changes in ACPI PNP and resources management that
>>>were reported to break floppy are responsible for this stuff as well. Linus
>>>has committed a fix that *might* help into his BK tree, try tonight's BK
>>>snapshot. If this does not work I guess you'd have to do binary search
>>>on various -bk snapshots to narry down which broke resume. 
>>>
>>>      
>>>
Looks like this problem has been fixed in recent 2.6.10-rc3 bk snapshots.

Nathan.


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RE: keylock regression with i8042 + S3 resume

[Pallipadi, Venkatesh]

I had some problem with S3 resume and keyboard and I nailed down to this
changeset

http://linux.bkbits.net:8080/linux-2.6/cset@40fc9c34Uv8lvE8IkEDy5dqjDzb_
Kw?nav=index.html|src/.|src/drivers|src/drivers/input|src/drivers/input/
serio|related/drivers/input/serio/i8042.c 

But, it was not a consistent failure and I only saw it once in a while.

HTH,
Venki

>-----Original Message-----
>From: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org 
>[mailto:acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf Of 
>Nathan Bryant
>Sent: Sunday, November 14, 2004 4:09 PM
>To: ACPI Developers
>Subject: [ACPI] keylock regression with i8042 + S3 resume
>
>Hi,
>
>Ever since upgrading from a 2.6.9-rc1 era bitkeeper snapshot to a 
>2.6.10-rc1 era snapshot, the keyboard is nonfunctional after 
>resume from 
>S3 and the kernel prints this message on resume:
>i8042.c: Warning: Keylock active.
>
>Anybody know anything about this?
>
>Nathan
>
>
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Re: keylock regression with i8042 + S3 resume

[Nathan Bryant]

Pallipadi, Venkatesh wrote:

>I had some problem with S3 resume and keyboard and I nailed down to this
>changeset
>
>http://linux.bkbits.net:8080/linux-2.6/cset@40fc9c34Uv8lvE8IkEDy5dqjDzb_
>Kw?nav=index.html|src/.|src/drivers|src/drivers/input|src/drivers/input/
>serio|related/drivers/input/serio/i8042.c 
>
>But, it was not a consistent failure and I only saw it once in a while.
>
>HTH,
>Venki
>
For me, it's pretty consistent. Will work on Dmitry's debug options later.
Nathan



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keylock regression with i8042 + S3 resume

[Nathan Bryant]

Hi,

Ever since upgrading from a 2.6.9-rc1 era bitkeeper snapshot to a 
2.6.10-rc1 era snapshot, the keyboard is nonfunctional after resume from 
S3 and the kernel prints this message on resume:
i8042.c: Warning: Keylock active.

Anybody know anything about this?

Nathan


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Re: keylock regression with i8042 + S3 resume

[Dmitry Torokhov]

On Sun, 14 Nov 2004 19:08:40 -0500, Nathan Bryant <nbryant-p32f3XyCuykqcZcGjlUOXw@public.gmane.org> wrote:
> Hi,
> 
> Ever since upgrading from a 2.6.9-rc1 era bitkeeper snapshot to a
> 2.6.10-rc1 era snapshot, the keyboard is nonfunctional after resume from
> S3 and the kernel prints this message on resume:
> i8042.c: Warning: Keylock active.
> 
> Anybody know anything about this?
> 

HI,

Could you change #undef DEBUG into #define DEBUG in
drivers/input/serio/i8042.c, recompile and reboot passing
log_buf_len=131072 option to the kernel. Then suspend,
resume and save full dmesg somewhere and send it to me.

Thanks! 

-- 
Dmitry


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