From: David Brownell <david-b@pacbell.net>
To: Arkadiusz Miskiewicz <arekm@pld-linux.org>
Cc: Johannes Erdfelt <johannes@erdfelt.com>, Greg KH <greg@kroah.com>,
Milton Miller <miltonm@bga.com>,
linux-kernel@vger.kernel.org
Subject: Re: USB problem. 'irq 9: nobody cared!' (FIXED!)
Date: Tue, 30 Sep 2003 12:30:44 -0700 [thread overview]
Message-ID: <3F79D9E4.4060701@pacbell.net> (raw)
In-Reply-To: <200309301141.18595.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
>
>
next prev parent reply other threads:[~2003-09-30 19:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-24 22:57 USB problem. 'irq 9: nobody cared!' Milton Miller
2003-09-25 4:23 ` Yaroslav Halchenko
2003-09-25 18:00 ` Greg KH
2003-09-25 19:11 ` David Brownell
2003-09-30 9:41 ` USB problem. 'irq 9: nobody cared!' (FIXED!) Arkadiusz Miskiewicz
2003-09-30 19:30 ` David Brownell [this message]
2003-09-26 3:14 ` USB problem. 'irq 9: nobody cared!' Yaroslav Halchenko
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