Thanks for testing. Marking Fix Released, although I do wonder what the
root cause was.
** Changed in: nvidia-graphics-drivers-460-server (Ubuntu)
Status: Confirmed => Fix Released
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Yes, it's fixed with 460.73.01-0ubuntu0.20.04.1
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https://bugs.launchpad.net/bugs/1922599
Title:
fails to create a new context
Status in
Yes, i can. After upgrading the driver to 460.73.01-0ubuntu0.20.04.1,
everything backs to normal and works as expected.
Thanks
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Simon, Gary, can you confirm if the issue goes away with
460.73.01-0ubuntu0.20.04.1 (now in focal-updates)?
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I hit the same issue as morphis has encountered with the exact same
version nvidia drivers package on 5.4 kernel as well.
```
$ apt -qq list | grep "nvidia-.*-460-server"
libnvidia-cfg1-460-server/focal-updates,focal-security,now
460.32.03-0ubuntu0.20.04.2 amd64 [installed,automatic]
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-460-server (Ubuntu)
Status: New => Confirmed
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Executing a cudaDeviceSynchronize() instead of using cuCtxCreate gives
"all CUDA-capable devices are busy or unavailable" which seems to hint
to something incorrectly setup in the system.
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I can reproduce this here on the focal 5.4 kernel (5.4.0-72-generic)
with 460.32.03 (deb 460.32.03-0ubuntu0.20.04.2) too.
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This appears to no longer be an issue with the 460.73.01 driver:
$ sudo ./foo
cuCtxCreate returned 0
$
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https://bugs.launchpad.net/bugs/1922599
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