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Semaphores still cause problems on some machines: > From Udo Steinberg: > > With Linux-3.2-rc6 I'm frequently seeing GPU hangs when large amounts of > text scroll in an xterm, such as when extracting a tar archive. Such as this > one (note the timestamps): > > I can reproduce it fairly easily with something > as simple as: > > while true; do dmesg; done This patch turns them off on SNB while leaving them on for IVB. Reported-by: Udo Steinberg <udo@hypervisor.org> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Eugeni Dodonov <eugeni@dodonov.net> Signed-off-by: Keith Packard <keithp@keithp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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