On Tue, Jun 02, 2015 at 04:51:46PM +0200, Paolo Bonzini wrote: > > > On 02/06/2015 16:36, Christian Borntraeger wrote: > > commit a0710f7995f914e3044e5899bd8ff6c43c62f916 > > Author: Paolo Bonzini <pbonz...@redhat.com> > > AuthorDate: Fri Feb 20 17:26:52 2015 +0100 > > Commit: Kevin Wolf <kw...@redhat.com> > > CommitDate: Tue Apr 28 15:36:08 2015 +0200 > > > > iothread: release iothread around aio_poll > > > > to cause a problem with hanging guests. > > > > Having many guests all with a kernel/ramdisk (via -kernel) and > > several null block devices will result in hangs. All hanging > > guests are in partition detection code waiting for an I/O to return > > so very early maybe even the first I/O. > > > > Reverting that commit "fixes" the hangs. > > Any ideas? > > Stefan, please revert it as I will not have time to look at it until > well into 2.4 soft freeze.
Ok Stefan
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