Messages in this thread | | | Date | Wed, 30 Jun 2004 15:36:15 -0700 (PDT) | From | Dan Hollis <> | Subject | kernel 2.6.6 amd8111 apic bugs |
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Sent to linux-ide ml several weeks ago and received no response. Cc'ing to linux-kernel in the hopes someone will be able to figure out whats wrong with amd8111 apic.
Responses in email please as im not subscribed to the list.
-Dan
---------- Forwarded message ---------- Date: Mon, 14 Jun 2004 17:34:57 -0700 (PDT) From: Dan Hollis <goemon@anime.net> To: J. Ryan Earl <heretic@clanhk.org> Cc: Jens Axboe <axboe@suse.de>, linux-ide@vger.kernel.org Subject: Re: kernel 2.6.6 amd8111 dma bugs
On Wed, 2 Jun 2004, J. Ryan Earl wrote: > Jens Axboe wrote: > >On Fri, May 28 2004, Dan Hollis wrote: > >>replies to email as i'm not subscribed to the list. > >>There seem to be regular dma timeouts: > >>hdc: dma_timer_expiry: dma status == 0x24 > >>hdc: DMA interrupt recovery > >>hdc: lost interrupt > >>hda: dma_timer_expiry: dma status == 0x24 > >>hda: DMA interrupt recovery > >>hda: lost interrupt > >>Hardware: > >>Opteron 140, Tyan Tomcat K8S (S2850) > >Try disabling ACPI (in .config or boot acpi=off iirc) > I had that problem, but not with ACPI, only when I forced APIC on. It > was on the VIA controller which uses the same driver.
Turns out it was apic and not acpi at all. Booting with ACPI but noapic and I no longer get any dma errors.
Is the bug in the linux apic code or a hardware flaw in the opteron cpu? Or something else?
-Dan
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