[Bug 106631] PALM: clpeak: Bus error (core dumped) & lots of GPU lockup

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu May 24 07:56:49 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=106631

--- Comment #4 from Ricardo Ribalda <ricardo.ribalda at gmail.com> ---
Hi Jan

I have increased lockup_timeout to 100K and I am not getting the bus error. But
I am getting similar dmesg errors

root at qt5022:~# cat /sys/module/radeon/parameters/lockup_timeout
100000

root at qt5022:~# time clpeak

Platform: Clover
  Device: AMD PALM (DRM 2.50.0 / 4.16.0-qtec-standard, LLVM 6.0.1)
    Driver version  : 18.0.3 (Linux x64)
    Compute units   : 2
    Clock frequency : 0 MHz

    Global memory bandwidth (GBPS)
      float   : 5.46
      float2  : 7.17
      float4  : 6.79
      float8  : 4.89
      float16 : 0.11

    Single-precision compute (GFLOPS)
      float   : 18.95
      float2  : 36.90
      float4  : 38.69
      float8  : 42.19
      float16 : 53.17

    No half precision support! Skipped

    No double precision support! Skipped

    Integer compute (GIOPS)
      int   : 9.49
      int2  : 18.52
      int4  : 18.41
      int8  : 18.59
      int16 : 18.05

    Transfer bandwidth (GBPS)
      enqueueWriteBuffer         : 1.21
      enqueueReadBuffer          : 0.63
      enqueueMapBuffer(for read) : 2.30
        memcpy from mapped ptr   : 0.87
      enqueueUnmap(after write)  : 506.05
        memcpy to mapped ptr     : 0.88

    Kernel launch latency : 608.36 us


real    29m45.765s
user    18m55.669s
sys     1m7.651s

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20180524/42ccf2c4/attachment-0001.html>


More information about the dri-devel mailing list