Hi Junichi, Just want to ensure if you think it is a bug or not.
Currently, I can't setup a qemubuilder amd64 arch setup so that I can build
for that arch and test.
Regards,
Ritesh
On Thursday 12 Nov 2009 18:06:26 Ritesh Raj Sarraf wrote:
> On Thursday 12 Nov 2009 17:45:05 Junichi Uekawa wrote:
> > Which architecture are you talking about ?
> > It probably depends on which architecture is emulated on which
> > architecture.
>
> HI Junichi,
>
> I am emulating x86_64 on my i686 machine.
>
> Reason for doing scsi emulation is because I am seeing too many ide resets
> and peformance goes terribly slow.
>
> r...@pbuilder-champaran:/# apt-get -f install
> [ 208.256613] hda: ide_dma_sff_timer_expiry: DMA status (0x61)
> [ 218.268438] hda: DMA timeout error
> [ 218.268902] hda: dma timeout error: status=0xd8 { Busy }
> [ 218.269426] hda: possibly failed opcode: 0x35
> [ 218.270292] hda: DMA disabled
> [ 218.270993] hdb: DMA disabled
> [ 218.316555] ide0: reset: success
> [ 251.716252] hda: ide_dma_sff_timer_expiry: DMA status (0x21)
> [ 261.716287] hda: DMA timeout error
> [ 261.720188] hda: dma timeout error: status=0xd8 { Busy }
> [ 261.720188] hda: possibly failed opcode: 0x35
> [ 261.720188] hda: DMA disabled
> [ 261.783090] ide0: reset: success
> [ 305.856252] hda: ide_dma_sff_timer_expiry: DMA status (0x21)
> [ 315.893927] hda: DMA timeout error
> [ 315.894420] hda: dma timeout error: status=0xd8 { Busy }
> [ 315.894957] hda: possibly failed opcode: 0x35
> [ 315.895407] hda: DMA disabled
> [ 315.940447] ide0: reset: success
> [ 349.531089] hda: ide_dma_sff_timer_expiry: DMA status (0x21)
> [ 359.532395] hda: DMA timeout error
> [ 359.532742] hda: dma timeout error: status=0xd8 { Busy }
> [ 359.533210] hda: possibly failed opcode: 0x35
> [ 359.533578] hda: DMA disabled
> [ 359.580306] ide0: reset: success
> Terminated
>
> As you can see, even with 512M RAM, just loading the APT package cache
> cause ide resets.
>
>
> I can't find the doc where I read about scsi support. I don't know if these
> arches support scsi emulation.
>
> BTW, what about virtio ?
>
> Ritesh
>
--
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."
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