Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 9 November 2015 at 13:40, Paolo Bonzini wrote: > > > On 09/11/2015 14:30, Peter Maydell wrote: >> After a bunch of "try building specific object files with optimization >> off to see where the problem goes away" tests, I've narrowed the >> problem down further: if you tell

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 09/11/2015 14:30, Peter Maydell wrote: > After a bunch of "try building specific object files with optimization > off to see where the problem goes away" tests, I've narrowed the > problem down further: if you tell clang to disable optimization by > adding __attribute__ ((optnone)) to the two

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 9 November 2015 at 11:46, Peter Maydell wrote: > Yep, just confirmed that current master with commit b553a0428 > reverted displays the bug again. After a bunch of "try building specific object files with optimization off to see where the problem goes away" tests,

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 16 October 2015 at 08:32, Aaron Elkins wrote: > I built Qemu on Mac OS X 10.11 El Capitan with: > > ./configure > make > make install > > Successfully. > > And downloaded the official linux image, and ran it with the following: > >

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 9 November 2015 at 10:21, Paolo Bonzini wrote: > Hmm, so the list is pretty short: The good news is that my second bisect conclusively fingered the culprit for why the bug went away... > configure: disable FORTIFY_SOURCE under clang ...the bad news is it's because

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 09/11/2015 11:02, Peter Maydell wrote: > On 9 November 2015 at 09:10, Paolo Bonzini wrote: >> >> >> On 08/11/2015 23:55, Peter Maydell wrote: >>> So the good news is that on mainline this doesn't happen any more. >>> The bad news is that something weird is going on such

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 9 November 2015 at 09:10, Paolo Bonzini wrote: > > > On 08/11/2015 23:55, Peter Maydell wrote: >> So the good news is that on mainline this doesn't happen any more. >> The bad news is that something weird is going on such that git >> bisect doesn't give helpful answers.

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 08/11/2015 23:55, Peter Maydell wrote: > So the good news is that on mainline this doesn't happen any more. > The bad news is that something weird is going on such that git > bisect doesn't give helpful answers. Specifically if I start by > compiling older versions and work forwards, then >

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 9 November 2015 at 11:06, Peter Maydell wrote: > On 9 November 2015 at 10:21, Paolo Bonzini wrote: >> Hmm, so the list is pretty short: > > The good news is that my second bisect conclusively fingered > the culprit for why the bug went away... >

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 18 October 2015 at 21:37, Peter Maydell wrote: > Sometimes it does manage to unwedge itself. Paolo, do you have > any suggestions for how to debug this kind of issue? So the good news is that on mainline this doesn't happen any more. The bad news is that something

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 16 October 2015 at 08:32, Aaron Elkins wrote: > I built Qemu on Mac OS X 10.11 El Capitan with: > > ./configure > make > make install > > Successfully. > > And downloaded the official linux image, and ran it with the following: > >

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

On 18 October 2015 at 20:46, Peter Maydell wrote: > On 16 October 2015 at 08:32, Aaron Elkins wrote: >> I built Qemu on Mac OS X 10.11 El Capitan with: >> >> ./configure >> make >> make install >> >> Successfully. >> >> And

Re: [Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

> On Oct 19, 2015, at 4:37 AM, Peter Maydell wrote: > > On 18 October 2015 at 20:46, Peter Maydell wrote: >> On 16 October 2015 at 08:32, Aaron Elkins wrote: >>> I built Qemu on Mac OS X 10.11 El Capitan with: >>> >>>

[Qemu-devel] Qemu: Guest Linux hangs on Mac OS X 10.11

I built Qemu on Mac OS X 10.11 El Capitan with: ./configure make make install Successfully. And downloaded the official linux image, and ran it with the following: qemu-system-x86_64 -drive file=linux-0.2.img,index=0,media=disk,format=raw And