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Re: [Qemu-devel] usb-storage assertions
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] usb-storage assertions |
Date: |
Wed, 13 Jan 2016 17:13:46 +0100 |
On Di, 2016-01-12 at 14:56 +0000, Daniel P. Berrange wrote:
> On Tue, Jan 12, 2016 at 03:36:40PM +0100, Kevin Wolf wrote:
> > Am 12.01.2016 um 15:17 hat Gerd Hoffmann geschrieben:
> > > On Sa, 2016-01-09 at 20:34 +0300, Andrey Korolyov wrote:
> > > > Hello,
> > > >
> > > > during regular operations within linux guest with USB EHCI frontend I
> > > > am seeing process crashes with an assert during regular operations
> > > > like dpkg install:
> > > >
> > > > hw/usb/dev-storage.c:334: usb_msd_handle_reset: Assertion `s->req ==
> > > > ((void *)0)' failed.
> > <iotune>
> > <total_bytes_sec>10000000</total_bytes_sec>
> > <read_iops_sec>400000</read_iops_sec>
> > <write_iops_sec>100000</write_iops_sec>
> > </iotune>
> Yes, that works with QEMU and will map through to the -drive I/O
> tuning parameters.
Works, successfully slowing down things to the point that a git clone of
a linux kernel source tree from another machine in the same lan takes
hours instead of minutes.
That doesn't seem to be enough to trigger the asserts though :(
Things are very slow but rock solid ...
cheers,
Gerd
- [Qemu-devel] usb-storage assertions, Andrey Korolyov, 2016/01/09
- Re: [Qemu-devel] usb-storage assertions, Gerd Hoffmann, 2016/01/12
- Re: [Qemu-devel] usb-storage assertions, Kevin Wolf, 2016/01/12
- Re: [Qemu-devel] usb-storage assertions, Daniel P. Berrange, 2016/01/12
- Re: [Qemu-devel] usb-storage assertions,
Gerd Hoffmann <=
- Re: [Qemu-devel] usb-storage assertions, Andrey Korolyov, 2016/01/13
- Re: [Qemu-devel] usb-storage assertions, Andrey Korolyov, 2016/01/15
- Re: [Qemu-devel] usb-storage assertions, Gerd Hoffmann, 2016/01/18
- Re: [Qemu-devel] usb-storage assertions, Andrey Korolyov, 2016/01/18
- Re: [Qemu-devel] usb-storage assertions, Gerd Hoffmann, 2016/01/18
- Re: [Qemu-devel] usb-storage assertions, Andrey Korolyov, 2016/01/18
- Re: [Qemu-devel] usb-storage assertions, Gerd Hoffmann, 2016/01/19
- Re: [Qemu-devel] usb-storage assertions, Andrey Korolyov, 2016/01/19
- Re: [Qemu-devel] usb-storage assertions, Gerd Hoffmann, 2016/01/19
- Re: [Qemu-devel] usb-storage assertions, Gerd Hoffmann, 2016/01/19