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Re: [Qemu-devel] [PATCH 0/2] ide: convert pio code path to asynchronous
From: |
Chris Webb |
Subject: |
Re: [Qemu-devel] [PATCH 0/2] ide: convert pio code path to asynchronous I/O |
Date: |
Thu, 29 Mar 2012 17:10:17 +0100 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
Stefan Hajnoczi <address@hidden> writes:
> Thanks for trying it out.
>
> Regarding the guest kernel errors, they may be timeouts. The guest
> may consider the IDE controller buggy/dead due to how long requests
> take to complete under severe throttling. There's not much that can
> be done about that, I think. If you think the guest errors are due to
> something else though, please post the error messages.
I'm sure you're right that they're standard timeouts. We see exactly the
same behaviour when a guest is on a very heavily contended disk with slow
access because of that.
Best wishes,
Chris.
- Re: [Qemu-devel] [PATCH 1/2] ide: convert ide_sector_read() to asynchronous I/O, (continued)
Re: [Qemu-devel] [PATCH 1/2] ide: convert ide_sector_read() to asynchronous I/O, Michael Tokarev, 2012/03/29
[Qemu-devel] [PATCH 2/2] ide: convert ide_sector_write() to asynchronous I/O, Stefan Hajnoczi, 2012/03/28
Re: [Qemu-devel] [PATCH 0/2] ide: convert pio code path to asynchronous I/O, Chris Webb, 2012/03/28
Re: [Qemu-devel] [PATCH 0/2] ide: convert pio code path to asynchronous I/O, Paolo Bonzini, 2012/03/28
Re: [Qemu-devel] [PATCH 0/2] ide: convert pio code path to asynchronous I/O, Zhi Yong Wu, 2012/03/28
Re: [Qemu-devel] [PATCH 0/2] ide: convert pio code path to asynchronous I/O, Chris Webb, 2012/03/29