PCI range checking under qemu-system-sparc64
mark.cave-ayland at ilande.co.uk
Fri Sep 18 06:59:58 UTC 2015
On 17/09/15 09:28, Alexey Dokuchaev wrote:
> On Wed, Sep 16, 2015 at 11:19:15PM +0200, Marius Strobl wrote:
>> Which suggest that the next thing to investigate is the CMD646
>> emulation. Is there a particular reason why QEMU emulates a
>> CMD646U rather than a plain CMD646 as found in the real sun4u
>> machines of the USIIe/i era?
>> Alexey, does building the port with CDROM_DMA disabled make
>> a difference?
> Ironically I had it already disabled prior to your question; but I've
> rebuilt the port enabling it for completeness' sake. It did not make
> a difference.
> Then I've disabled all CAM/ATA stuff (scbus, ata, umass, etc.) in the
> kernel config and that's what I see now (this is with CDROM_DMA=on):
What does the CAM/ATA stuff do here? Does this mean it may not
necessarily be an interrupt issue if you can get to mounting the root fs
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