From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 75400] regression in OpenCL since commit cc3aeac
Date: Sun, 23 Feb 2014 18:35:42 +0000
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Date: Sun, 23 Feb 2014 18:35:42 +0000
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https://bugs.freedesktop.org/show_bug.cgi?id=3D75400
--- Comment #4 from Bruno Jim=C3=A9nez ---
I am also very surpised of what commit seems to start this. I have done the
bisect making Arch packages, installing and then testing them. So, unless I
have missed something, which is also possible, that's it.
I have recompiled at commit cc3aeac with debug information, but for some
strange reason, gdb don't want to step into OpenCL functions.
Here's what I have guessed:
- Actually, the segfault comes from a fprintf with a "%s" and a null pointe=
r.
It can be solved by just adding a default case to 'clUtilErrorString'.
- The real problem happens with 'clGetPlatformIDs', which returns an error
value of '-1001'.
I have triggered the return of 'CL_INVALID_VALUE', and tried various
combinations of parameters to see if it changed anything. And seems to be o=
ne
thing or the other.
I have checked the code at
mesa/src/gallium/state_trackers/clover/api/platform.cpp (where clGetPlatfor=
mIDs
is) and have no clue how it can be possible.
Sorry if this isn't enough information, but I completely clueless of what c=
an
be happening.
I will check again my packages to see if I have compiled some version and h=
ave
called it other.
If I can help with anything else, just ask.
--=20
You are receiving this mail because:
You are the assignee for the bug.
--1393180542.fD8EC0.20568
Date: Sun, 23 Feb 2014 18:35:42 +0000
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Comment=
# 4
on bug 75400<=
/a>
from Bruno Jim=C3=A9nez
I am also very surpised of what commit seems to start this. I =
have done the
bisect making Arch packages, installing and then testing them. So, unless I
have missed something, which is also possible, that's it.
I have recompiled at commit cc3aeac with debug information, but for some
strange reason, gdb don't want to step into OpenCL functions.
Here's what I have guessed:
- Actually, the segfault comes from a fprintf with a "%s" and a n=
ull pointer.
It can be solved by just adding a default case to 'clUtilErrorString'.
- The real problem happens with 'clGetPlatformIDs', which returns an error
value of '-1001'.
I have triggered the return of 'CL_INVALID_VALUE', and tried various
combinations of parameters to see if it changed anything. And seems to be o=
ne
thing or the other.
I have checked the code at
mesa/src/gallium/state_trackers/clover/api/platform.cpp (where clGetPlatfor=
mIDs
is) and have no clue how it can be possible.
Sorry if this isn't enough information, but I completely clueless of what c=
an
be happening.
I will check again my packages to see if I have compiled some version and h=
ave
called it other.
If I can help with anything else, just ask.
You are receiving this mail because:
=20=20=20=20=20=20
- You are the assignee for the bug.
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