[Mesa-dev] [Bug 97102] [dri][swr] stack overflow / infinite loop with GALLIUM_DRIVER=swr

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97102

--- Comment #8 from Jan Ziak <0xe2.0x9a.0x9b at gmail.com> ---
(In reply to Bruce Cherniak from comment #7)
> I also see you are on an AVX capable processor.  It would be helpful to know
> which model.

AMD A10-7850K

> The segfault you've referenced below is in a section of code that figures
> out processor topology.

The minimal "physical id" in /proc/cpuinfo on my machine is 1. It isn't 0.

In function CreateThreadPool():
(gdb) p nodes[0].cores
$2 = std::vector of length 0, capacity 0

Adding "numaId--" to function CalculateProcessorTopology() fixes the
segmentation fault.

$ zgrep NUMA /proc/config.gz 
# CONFIG_NUMA is not set

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