Bug#289770: (fwd) Re: Bug#289770: kernel-image-2.6.10-1-686: 2.6.10 fails to set up DMA on my IBM thinkpad
On Wed, 12 Jan 2005 08:46:32 -0500, Prarit Bhargava <prarit@sgi.com> wrote:
> Philip and Bartlomiej,
>
> I've been tracking an almost identical problem on my IA64 platform with
> a bk pull that is about a month old.
>
> I tracked it down to a duplicate vector request of 0x38 = 56 by the
> mmtimer -- take a look at /proc/interrupts, /proc/ioports, /proc/iomem
> and see if anything has requested the specific area that your CD is
> trying to get.
>
> My output looked like:
>
> SGIIOC4: IDE controller at PCI slot 0000:01:01.0, revision 79
> ide0: BM-DMA at 0xc00001080c200140-0xc00001080c200163
> Probing IDE interface ide0...
> hda: MATSHITADVD-ROM SR-8588, ATAPI CD/DVD-ROM drive
> ide0: Disabled unable to get IRQ 56.
> Probing IDE interface ide0...
> hda: MATSHITADVD-ROM SR-8588, ATAPI CD/DVD-ROM drive
> hda: IRQ probe failed (0x4ffffffe)
> Probing IDE interface ide1...
> ide1: Wait for ready failed before probe !
> Probing IDE interface ide2...
> ide2: Wait for ready failed before probe !
> Probing IDE interface ide3...
> ide3: Wait for ready failed before probe !
> Probing IDE interface ide4...
> ide4: Wait for ready failed before probe !
> Probing IDE interface ide5...
> ide5: Wait for ready failed before probe !
> ide0: DISABLED, NO IRQ
>
> Bartlomiej, just a thought:
>
> I think that the output of the failures of the probes for non-existant
> interfaces ide1-ide5 could be suppressed, no?
yes
> What would you think if we only output the "failed before probe"
> messages for interfaces that return -EBUSY from wait_hwif_ready? It
> would make the system boot a lot "prettier":)
care to make a patch?
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