<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [r600g]OpenCL driver causes segfault in ImageMagick's Histogram kernel" href="https://bugs.freedesktop.org/show_bug.cgi?id=96488#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [r600g]OpenCL driver causes segfault in ImageMagick's Histogram kernel" href="https://bugs.freedesktop.org/show_bug.cgi?id=96488">bug 96488</a> from <a class="email" href="mailto:jv356@scarletmail.rutgers.edu" title="Jan Vesely <jv356@scarletmail.rutgers.edu>"> Jan Vesely</a> <pre>(In reply to nixscripter from <a href="show_bug.cgi?id=96488#c7">comment #7</a>) > Normally, I would be asking in this comment if there is any progress on > this, but I can tell there has been... change, at least. > > Now instead of crashing, it deadlocks the calling process waiting on a > mutex. Forever, as far as I can tell. > > LLVM version: r289770 > Mesa version: commit 47351b843a > > Perhaps this is more easily fixed? Or is this getting to the heart of the > matter implied in <a href="show_bug.cgi?id=96488#c2">comment 2</a>? the hang is probably a separate bug. ImageMagick test suite results on my Turks GPU are: # TOTAL: 86 # PASS: 78 # SKIP: 0 # XFAIL: 0 # FAIL: 3 # XPASS: 0 # ERROR: 5 the errors and failures are accompanied by: Assertion `i < getNumRegs() && "Register number out of range!"' failed. The patches to add support for noret atomics (should be good enough for histogram) are at: <a href="https://reviews.llvm.org/D27989">https://reviews.llvm.org/D27989</a> <a href="https://reviews.llvm.org/D28067">https://reviews.llvm.org/D28067</a></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>