Bug 105401

Summary:	Unable to start X on Vega AMDGPU(0): amdgpu_setup_kernel_mem failed
Product:	Mesa	Reporter:	Timothy Pearson <tpearson>
Component:	Drivers/Gallium/radeonsi	Assignee:	Default DRI bug account <dri-devel>
Status:	RESOLVED FIXED	QA Contact:	Default DRI bug account <dri-devel>
Severity:	normal
Priority:	medium	CC:	andrey.grodzovsky
Version:	unspecified
Hardware:	PowerPC
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:
Attachments:	dmesg after xorg load attempt Xorg.0.log after load attempt

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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