[Bug 93264] Tonga VM Faults since llvm ScheduleDAGInstrs: Rework schedule graph builder.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Dec 8 14:54:53 PST 2015


https://bugs.freedesktop.org/show_bug.cgi?id=93264

--- Comment #9 from Nicolai Hähnle <nhaehnle at gmail.com> ---
Created attachment 120426
  --> https://bugs.freedesktop.org/attachment.cgi?id=120426&action=edit
dmesg.faults

Sample extractions of the first four reported VM faults across different runs.

Note how something always wants to access page 0x092D80FA, and later accesses
look like they could originate from something being very confused about the
memory layout of textures, e.g. 0x00126AAC and 0x001A6A8C differing only in two
bits.

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