[Bug 40191] ntdll:rtl test regression
wine-bugs at winehq.org
wine-bugs at winehq.org
Thu Feb 25 15:39:50 CST 2016
https://bugs.winehq.org/show_bug.cgi?id=40191
Sebastian Lackner <sebastian at fds-team.de> changed:
What |Removed |Added
----------------------------------------------------------------------------
Fixed by SHA1| |dcf914857c1e29b64a31a67685b
| |123a09db1bae1
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #9 from Sebastian Lackner <sebastian at fds-team.de> ---
(In reply to François Gouget from comment #8)
> Final notes from my TestBot timeline:
> * Configuring a QEMU VM to have 'two logical CPUs' results in a dual
> processor
> machine by default. However regular versions of Windows (i.e. non-Pro /
> Enterprise) are restricted to only use a single CPU. They will start on
> multi-processor machines but make use of only one. This is not an issue
> for
> our Windows 7 VMs as Pro and Ultimate versions can use up to two
> processor.
> But our Windows 8 and 10 VMs use regular editions. So they need QEMU to be
> configured with a single multi-core processor instead to properly test
> 'SMP' configurations.
> * On Windows 8+ the SpinCount value of the RtlInitializeCriticalSectionEx()
> tests in ntdll:rtl is different on a multi-core or hyperthreaded CPU than
> on a single single-core non-hyperthreaded one. On Window s7 SpinCount is 0
> no matter what the processor configuration: multi-processor, multi-core or
> hyperthreading. So this is a Windows 8+ thing. On Windows 8 SpinCount may
> also take non-zero values on systems with multiple single-core
> non-hyperthreaded processors but we cannot test that configuration.
> * I changed wtbw8 to use a single dual-core processor. wtbwvista, wtbw864
> and
> wtbw1064 will need similar changes.
We do not necessarily have to adjust all VMs, I think its just good to test
with a big variety of different systems, to catch test failures as early as
possible.
Since
http://source.winehq.org/git/wine.git/commit/dcf914857c1e29b64a31a67685b123a09db1bae1
the test failure should be gone, so marking this bug as FIXED.
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