From: Lionel Bouton <Lionel.Bouton@inet6.fr>
To: Michael Frank <mhf@linuxmail.org>
Cc: kernel mailing list <linux-kernel@vger.kernel.org>
Subject: SiS APIC, hacker looking for docs/help, was : Re: 2.6.4 under heavy ioload disables sis5513 DMA
Date: Thu, 18 Mar 2004 12:30:17 +0100 [thread overview]
Message-ID: <40598849.1070409@inet6.fr> (raw)
In-Reply-To: <opr410iiid4evsfm@smtp.pacific.net.th>
Michael Frank wrote the following on 03/18/2004 11:52 AM :
> Happens every few hours with heavy io and cpu load:
>
> hda: dma_timer_expiry: dma status == 0x21
> hda: DMA timeout error
> hda: dma timeout error: status=0xd0 { Busy }
>
> hda: DMA disabled
> ide0: reset: success
>
> DMA auto-reenabled by boot time hdparm -k
>
Hum, I'm wondering if -k is fully functionnal (hdparm man page hints
that this isn't supported by all drives and I don't remember any
success/failure stories here).
> lspci -vv
>
> 00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE]
SiS chipset : is APIC functionnal ? (cat /proc/interrupts)
If not, I believe this might be the problem and the solutions still
eludes me (I don't think the problem lies in the IDE driver but in APIC
support).
I've 2 SiS based mainboards forced to use XT-PIC (SiS735 and SiS645
based) here but without this kind of problems (everything works until I
start to add to many PCI cards in one system...). I'm willing to start
hacking around (mostly on the 645 as the 735 is an always-on system).
Is reading the arch/i386/kernel/*pic* files (and probably others) enough
to start or is there somewhere else to look for information ?
Regards,
--
Lionel Bouton - inet6
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next prev parent reply other threads:[~2004-03-18 11:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-18 10:52 2.6.4 under heavy ioload disables sis5513 DMA Michael Frank
2004-03-18 11:30 ` Lionel Bouton [this message]
2004-03-18 11:52 ` SiS APIC, hacker looking for docs/help, was : " Michael Frank
2004-03-18 12:26 ` Lionel Bouton
-- strict thread matches above, loose matches on Subject: below --
2004-03-18 13:48 Ross Dickson
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