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Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28c
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8 |
Date: |
Thu, 27 Oct 2011 08:17:41 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, Oct 26, 2011 at 03:19:17PM -0200, Lucas Meneghel Rodrigues wrote:
> On 10/26/2011 01:47 PM, Kevin Wolf wrote:
> >Am 26.10.2011 16:41, schrieb Lucas Meneghel Rodrigues:
> >>Hi folks:
> >>
> >>We've captured a regression with floppy disk on recent qemu (and
> >>qemu-kvm, after a code merge). We bisected it to be caused by:
> >>
> >>commit 212ec7baa28cc9d819234fed1541fc1423cfe3d8
> >>Author: Richard Henderson<address@hidden>
> >>Date: Mon Aug 15 15:08:45 2011 -0700
> >>
> >> fdc: Convert to isa_register_portio_list
> >>
> >> Signed-off-by: Richard Henderson<address@hidden>
> >> Signed-off-by: Avi Kivity<address@hidden>
> >>
> >>Since this commit, the guest doesn't see a floppy disk attached to it
> >>anymore, blocking kvm autotest ability to install windows guests
> >>automatically. This is a big deal for kvm autotest (ruins our automated
> >>regression jobs), so please take a look at it.
> >
> >Can you please try again with the latest block branch? I think there is
> >a patch queued that will fix it.
>
> Kevin, I did try with HEAD of your repo:
>
> git://repo.or.cz/qemu/kevin.git
>
> address@hidden qemu-kwolf]$ git branch -r
> origin/HEAD -> origin/master
> origin/blkqueue
> origin/blkqueue-v1
> origin/block
> origin/coroutine
> origin/coroutine-block
> origin/coroutine-devel
> origin/devel
> origin/ehci
> origin/for-anthony
> origin/for-stable-0.14
> origin/inplace-conversion
> origin/master
>
> With this repo, master branch, the problem persists. With the block
> branch, the problem persists.
>
> Now, with the blkqueue branch the problem is resolved. Cleber had
> the same results booting a FreeDOS floppy. So the fix is indeed in
> blkqueue.
>
> Oh, you might want to check the blkqueue branch, it does have quite
> a bunch of set but unused variables, which will cause compilation
> errors unless --disable-werror is passed to the configure script.
I think blkqueue is an older development branch of the "block queue"
feature that Kevin was working on. It is not Kevin's block tree (see
his "block" branch).
Stefan
- [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Lucas Meneghel Rodrigues, 2011/10/26
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Kevin Wolf, 2011/10/26
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Lucas Meneghel Rodrigues, 2011/10/26
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8,
Stefan Hajnoczi <=
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Lucas Meneghel Rodrigues, 2011/10/27
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Zhi Yong Wu, 2011/10/27
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Lucas Meneghel Rodrigues, 2011/10/27
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Zhi Yong Wu, 2011/10/28
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Zhi Yong Wu, 2011/10/28
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Lucas Meneghel Rodrigues, 2011/10/28
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Gleb Natapov, 2011/10/28
- Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Zhi Yong Wu, 2011/10/30
Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Cleber Rosa, 2011/10/26
Re: [Qemu-devel] qemu/qemu-kvm floppy regression brought by 212ec7baa28cc9d819234fed1541fc1423cfe3d8, Cleber Rosa, 2011/10/26