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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Constant GPU VM faults"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95517#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Constant GPU VM faults"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95517">bug 95517</a>
from <span class="vcard"><a class="email" href="mailto:lumetili@gmail.com" title="lumetili@gmail.com">lumetili@gmail.com</a>
</span></b>
<pre>OK my 3D accelerated VirtualBox VM just got stuck and journalctl -kf started
spitting out VM faults once a second in a loop, at first there's a:
May 26 01:39:24 carrier kernel: radeon 0000:02:00.0: GPU fault detected: 146
0x0042080c
May 26 01:39:24 carrier kernel: radeon 0000:02:00.0:
VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00014482
May 26 01:39:24 carrier kernel: radeon 0000:02:00.0:
VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0200800C
May 26 01:39:24 carrier kernel: VM fault (0x0c, vmid 1) at page 83074, read
from TC (8)
And then a:
May 26 01:39:24 carrier kernel: radeon 0000:02:00.0: GPU fault detected: 146
0x0390350c
May 26 01:39:24 carrier kernel: radeon 0000:02:00.0:
VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x0000C49C
May 26 01:39:24 carrier kernel: radeon 0000:02:00.0:
VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x1003500C
May 26 01:39:24 carrier kernel: VM fault (0x0c, vmid 8) at page 50332, read
from VGT (53)
It devolves into looping the VGT entry with VM_CONTEXT1_PROTECTION_FAULT_ADDR
0x0000C4A<NUMBER> with NUMBER cycling from 0..F</pre>
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