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Re: [Qemu-devel] SATA CD-ROM booting failure with latest OVMF

From: John Snow
Subject: Re: [Qemu-devel] SATA CD-ROM booting failure with latest OVMF
Date: Sat, 04 Jul 2015 01:28:06 -0400
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.


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