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Re: [Qemu-devel] SATA CD-ROM booting failure with latest OVMF
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From: |
John Snow |
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Subject: |
Re: [Qemu-devel] SATA CD-ROM booting failure with latest OVMF |
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Date: |
Sat, 04 Jul 2015 01:28:06 -0400 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 |
On 07/03/2015 10:15 AM, Hannes Reinecke wrote:
>
> After some _very_ tedious debugging I've found this to be an issue
> with the ahci driver in qemu; ATAPI PIO transfers seem to be
> slightly buggy. Enabling 'atapi_dma' transfers in atapi driver (even
> for PIO mode) makes everything work again.
PIO again! Alright, fun. Try a git bisect, except cheat and try before
and after 1cbdd96813474de4191b0b37b859a5460373093b -- That's my wild guess.
Will check it out Monday, otherwise.
Thanks,
--John