Re: USB problem. 'irq 9: nobody cared!' (FIXED!)
From: David Brownell (david-b_at_pacbell.net)
Date: 09/30/03
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Date: Tue, 30 Sep 2003 12:30:44 -0700 To: Arkadiusz Miskiewicz <arekm@pld-linux.org>
Arkadiusz Miskiewicz wrote:
> On Thursday 25 of September 2003 21:11, David Brownell wrote:
>
>
>>The problem is that nobody has ever reported back with results from
>>testing any updated patch (see attachment, the guts of this being
>>from Alan Stern). Sort of makes trying be a moot point ... :)
>
> So I'm the first one? ;)
Since then I got mixed reports -- not sure I trust them.
> Your patch (http://www.ussg.iu.edu/hypermail/linux/kernel/0309.3/0341.html)
> FIXES things for me :-)
OK, that's good to hear. There are two patches that seem
to work to various degrees. This isn't the least conservative
fix (that'd be http://lkml.org/lkml/2003/9/29/74, returning
to that odd "reset before kicking bios off" sequence) but it's
good to know this also behaves.
- Dave
> This time I've tried 2.6.0test6 + all acpi patches from 2.6.0-mm1 (ls *acpi*
> in akpm broken-out directory) + your patch and things work fine :)
> Note that 2.6.0+all acpi patches from 2.6.0-mm1 without your patch doesn't
> work.
>
> [arekm@mobarm arekm]$ cat /proc/interrupts
> CPU0
> 0: 698946 XT-PIC timer
> 1: 1712 XT-PIC i8042
> 2: 0 XT-PIC cascade
> 3: 1561 XT-PIC irda0
> 5: 4 XT-PIC yenta
> 8: 0 XT-PIC rtc
> 9: 2657 XT-PIC acpi, eth0
> 10: 77708 XT-PIC VIA686A, uhci-hcd, uhci-hcd
> 12: 18 XT-PIC i8042
> 14: 12408 XT-PIC ide0
> 15: 20 XT-PIC ide1
> NMI: 0
> ERR: 0
>
> More details about my case in lkml archives and
> http://bugme.osdl.org/show_bug.cgi?id=905
>
>
>>It's OK with me if you just revert the patch that adds a uhci_reset()
>>entry, but based on what I saw with EHCI and OHCI that'll just turn
>>up a different set of problems with certain BIOS configurations (none
>>of which I have) ... which will need to be fixed by having a UHCI
>>reset sequence that works correctly from _all_ initial states.
>>
>>- Dave
>
>
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- Previous message: Xose Vazquez Perez: "RE: Megaraid does not work with 2.4.22"
- In reply to: Arkadiusz Miskiewicz: "Re: USB problem. 'irq 9: nobody cared!' (FIXED!)"
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