Created attachment 83954 [details] dmesg System Environment: -------------------------- Platform: PNV/ILK/SNB/IVB/HSW Kernel: drm-intel-nightly(8894ac87e4db055bbdd44647c1ce2df274400264) Bug detailed description: ----------------------------- It fails on all platforms: PNV/ILK/SNB/IVB/HSW.It happens on drm-intel-nightly, drm-intel-next-queued, drm-intel-fixes kernel. Bisect shows: 467796acc80ced3440740d267c2e2a4f246d4b8a is the first bad commit. commit 467796acc80ced3440740d267c2e2a4f246d4b8a Author: Chris Wilson <chris@chris-wilson.co.uk> AuthorDate: Sat Aug 10 15:49:33 2013 +0100 Commit: Chris Wilson <chris@chris-wilson.co.uk> CommitDate: Sat Aug 10 15:49:33 2013 +0100 Expand gem_set_cacheing testing to handle the proposed DISPLAY domain output: Time to pwrite 16384 bytes x 1: 22.000µs, 744.7MiB/s Time to pwrite 16384 bytes x 2: 5.000µs, 3.3GiB/s Time to pwrite 16384 bytes x 4: 3.750µs, 4.4GiB/s Time to pwrite 16384 bytes x 8: 3.625µs, 4.5GiB/s Time to pwrite 16384 bytes x 16: 3.500µs, 4.7GiB/s Time to pwrite 16384 bytes x 32: 3.844µs, 4.3GiB/s Time to pwrite 16384 bytes x 64: 4.516µs, 3.6GiB/s Time to pwrite 16384 bytes x 128: 3.664µs, 4.5GiB/s Time to pwrite 16384 bytes x 256: 3.551µs, 4.6GiB/s Time to pwrite 16384 bytes x 512: 3.482µs, 4.7GiB/s Time to pwrite 16384 bytes x 1024: 3.450µs, 4.7GiB/s Time to pwrite 16384 bytes x 2048: 3.433µs, 4.8GiB/s Time to pwrite 16384 bytes x 4096: 3.433µs, 4.8GiB/s Time to pwrite 16384 bytes x 8192: 3.433µs, 4.8GiB/s Time to pwrite 16384 bytes x 16384: 3.431µs, 4.8GiB/s Time to pwrite 16384 bytes x 32768: 3.424µs, 4.8GiB/s Time to pwrite 16384 bytes x 65536: 3.427µs, 4.8GiB/s Time to pwrite 16384 bytes x 131072: 3.430µs, 4.8GiB/s Time to (null) pwrite 16384 bytes x 1: 4.000µs, 4.1GiB/s Time to (null) pwrite 16384 bytes x 2: 3.500µs, 4.7GiB/s Time to (null) pwrite 16384 bytes x 4: 3.750µs, 4.4GiB/s Time to (null) pwrite 16384 bytes x 8: 3.500µs, 4.7GiB/s Time to (null) pwrite 16384 bytes x 16: 3.500µs, 4.7GiB/s Time to (null) pwrite 16384 bytes x 32: 3.469µs, 4.7GiB/s Time to (null) pwrite 16384 bytes x 64: 4.250µs, 3.9GiB/s Time to (null) pwrite 16384 bytes x 128: 3.742µs, 4.4GiB/s Time to (null) pwrite 16384 bytes x 256: 3.559µs, 4.6GiB/s Time to (null) pwrite 16384 bytes x 512: 3.498µs, 4.7GiB/s Time to (null) pwrite 16384 bytes x 1024: 3.459µs, 4.7GiB/s Time to (null) pwrite 16384 bytes x 2048: 3.444µs, 4.8GiB/s Time to (null) pwrite 16384 bytes x 4096: 3.437µs, 4.8GiB/s Time to (null) pwrite 16384 bytes x 8192: 3.419µs, 4.8GiB/s Time to (null) pwrite 16384 bytes x 16384: 3.423µs, 4.8GiB/s Time to (null) pwrite 16384 bytes x 32768: 3.431µs, 4.8GiB/s Time to (null) pwrite 16384 bytes x 65536: 3.433µs, 4.8GiB/s Time to (null) pwrite 16384 bytes x 131072: 3.429µs, 4.8GiB/s Segmentation fault (core dumped) Reproduce steps: ---------------------------- 1. ./gem_pwrite
commit 7b254f193933eda7c9761a7f10ac49049103b259 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Mon Aug 12 08:39:26 2013 +0100 gem_pwrite: Print the cache name not the number Bugzilla: https://bugzilla.freedesktop.org/show_bug.cgi?id=68003
Verified.Fixed.
Closing old verified.
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