From: John Snow <jsnow@redhat.com>
To: Hannes Reinecke <hare@suse.de>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Alexander Graf <agraf@suse.de>
Subject: Re: [Qemu-devel] SATA CD-ROM booting failure with latest OVMF
Date: Sat, 04 Jul 2015 01:28:06 -0400 [thread overview]
Message-ID: <55976EE6.1050709@redhat.com> (raw)
In-Reply-To: <5596990C.5090204@suse.de>
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
next prev parent reply other threads:[~2015-07-04 5:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-03 14:15 [Qemu-devel] SATA CD-ROM booting failure with latest OVMF Hannes Reinecke
2015-07-04 5:28 ` John Snow [this message]
2015-07-08 22:53 ` John Snow
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