Bug 105401 - Unable to start X on Vega AMDGPU(0): amdgpu_setup_kernel_mem failed
Summary: Unable to start X on Vega AMDGPU(0): amdgpu_setup_kernel_mem failed
Status: RESOLVED FIXED
Alias: None
Product: Mesa
Classification: Unclassified
Component: Drivers/Gallium/radeonsi (show other bugs)
Version: unspecified
Hardware: PowerPC Linux (All)
: medium normal
Assignee: Default DRI bug account
QA Contact: Default DRI bug account
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-03-08 16:10 UTC by Timothy Pearson
Modified: 2018-03-16 01:57 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg after xorg load attempt (61.63 KB, text/plain)
2018-03-08 16:11 UTC, Timothy Pearson 		Details
Xorg.0.log after load attempt (14.79 KB, text/plain)
2018-03-08 16:11 UTC, Timothy Pearson 		Details
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Description Timothy Pearson 2018-03-08 16:10:47 UTC 
A similar issue to the one described in Bug #105172 is affecting Vega GPUs on POWER9 machines.  Log files attached.

System configuration:

Software versions:
    Linux 4.16.0-rc4 ppc64el

GPU hardware:
    Radeon RX Vega 56

CPU hardware:
    POWER9 PowerNV
Comment 1 Timothy Pearson 2018-03-08 16:11:25 UTC 
Created attachment 137900 [details]
dmesg after xorg load attempt
Comment 2 Timothy Pearson 2018-03-08 16:11:43 UTC 
Created attachment 137901 [details]
Xorg.0.log after load attempt
Comment 3 Andrey Grodzovsky 2018-03-08 21:06:25 UTC 
Please check your libdrm and verify it's version is 2.4.91 

https://lists.freedesktop.org/archives/dri-devel/2018-March/168156.html

I believe it should be fixed by 

amdgpu: Fix mistake in initial hole size calculation.

Andrey
Comment 4 Timothy Pearson 2018-03-08 21:15:23 UTC 
Version tested was 2.4.90.  Will retest with 2.4.91.
Comment 5 Timothy Pearson 2018-03-16 01:57:22 UTC 
Was able to test on Polaris.  Looks like the new version fixed things.

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