----- Original Message ----- > From: "Alexander Boettcher" <alexander.boettc...@genode-labs.com> > To: "Alex Bennée" <alex.ben...@linaro.org> > Cc: qemu-devel@nongnu.org, r...@twiddle.net, "fred konrad" > <fred.kon...@greensocs.com>, pbonz...@redhat.com, > "crosthwaite peter" <crosthwaite.pe...@gmail.com> > Sent: Monday, March 6, 2017 9:11:04 PM > Subject: Re: Qemu deadlocks in tb_lock when using SVM+SoftMMU > > Hello, > > thank you for your effort. > > With your patch I get now a 0x3f exception shown by the hypervisor, > which I have never encountered so far before. The guest kernel seems not > to start, at least no life sign is shown. > > For me the patch of Paolo Bonzini works reliable.
Let's use mine then. :) I'll post it properly tomorrow. Paolo > How to proceed ? > > Thanks, > > Alex. > > On 06.03.2017 17:24, Alex Bennée wrote: > > > > Alexander Boettcher <alexander.boettc...@genode-labs.com> writes: > > > >> Hi, > > <snip> > >> > >> Sometimes Qemu just succeeds if the timing is well, will see. > >> > >> But this is not the point of this issue atm. > > > > I've sent a patch that works as Richard suggested. However your test > > image seems to run into other issues. I have tested it on my known good > > x86 image and it works. > > > > However my knowledge of x86's interrupt architecture is fairly minimal > > so I'm looking for testing/feedback on the patch. > > > >> > >> Alex. > > > > > > -- > > Alex Bennée > > > > -- > Alexander Boettcher > Genode Labs > > http://www.genode-labs.com - http://www.genode.org > > Genode Labs GmbH - Amtsgericht Dresden - HRB 28424 - Sitz Dresden > Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth >
