On 17/10/2018 13:38, Pavel Dovgalyuk wrote:
>> From: Paolo Bonzini [mailto:pbonz...@redhat.com]
>> On 17/10/2018 11:53, Artem Pisarenko wrote:
>>> See my last comment in bug report. This kind of modification, even
>>> adapted to changed function name, doesn't solve issue.
>>> I thought long time that it does, but once I catched qemu with a hang.
>>> And of course, I wasn't able to reproduce it. So it just better hides issue.
>>> Take a look at alternative solution from
>>> QBox: 
>>> https://git.greensocs.com/qemu/qbox/commit/a8ed106032e375e715a531d6e93e4d9ec295dbdb
>>> I didn't catched fail with it (yet).
> 
> Tried to test it, but rr seems to be broken again.
> I'll try to bisect now.

Can we add a test that runs with "make check" and covers the basics of
record/replay's cpus.c bits?

rr is very cool, and we fixed/understood a lot of stuff when getting it
ready for inclusion.  But now it's constantly broken and every time we
change rr we also risk breaking icount.

Paolo

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