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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU lockup on AMD A4-3400 APU when starting X server on opensource drivers. (works fine with fglrx)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93895">93895</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>GPU lockup on AMD A4-3400 APU when starting X server on opensource drivers. (works fine with fglrx)
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Radeon
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>azari4096@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>I've had this lockup on this machine for the past few years, across several
different kernel versions, different distributions, etc. Booting with KMS works
fine, but the second a graphical environment starts (whether X or
wayland-based), it locks up.
Booting Ubuntu with user-space mode-setting works, and then I can install FGLRX
from there and everything works fine. After speaking with airlied on IRC, they
suggested it could be a workaround that AMD has put into FGLRX that never made
it into the opensource drivers, and that AMD might have to look into it.
CPU/GPU : A4-3400
Motherboard : GA-A75M-D2H (
<a href="http://www.gigabyte.com/products/product-page.aspx?pid=3930#ov">http://www.gigabyte.com/products/product-page.aspx?pid=3930#ov</a> )
journalctl log of the lockup:
------------------------------------------------------------
Jan 27 18:28:32 miku dbus-daemon[374]: Successfully activated service
'org.freedesktop.systemd1'
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: ring 0 stalled for more
than 10000msec
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GPU lockup (current fence
id 0x0000000000000001 last fence id 0x0000000000000003 on ring 0)
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: Saved 55 dwords of
commands on ring 0.
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GPU softreset: 0x00000009
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GRBM_STATUS
= 0xB1403828
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GRBM_STATUS_SE0
= 0x28000007
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GRBM_STATUS_SE1
= 0x00000007
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: SRBM_STATUS
= 0x20000840
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: SRBM_STATUS2
= 0x00000000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0:
R_008674_CP_STALLED_STAT1 = 0x00000000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0:
R_008678_CP_STALLED_STAT2 = 0x40000000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: R_00867C_CP_BUSY_STAT
= 0x00008000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: R_008680_CP_STAT
= 0x80228643
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: R_00D034_DMA_STATUS_REG
= 0x44C83D57
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0:
GRBM_SOFT_RESET=0x00007F6B
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0:
SRBM_SOFT_RESET=0x00000100
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GRBM_STATUS
= 0x00003828
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GRBM_STATUS_SE0
= 0x00000007
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GRBM_STATUS_SE1
= 0x00000007
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: SRBM_STATUS
= 0x20000040
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: SRBM_STATUS2
= 0x00000000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0:
R_008674_CP_STALLED_STAT1 = 0x00000000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0:
R_008678_CP_STALLED_STAT2 = 0x00000000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: R_00867C_CP_BUSY_STAT
= 0x00000000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: R_008680_CP_STAT
= 0x00000000
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: R_00D034_DMA_STATUS_REG
= 0x44C83D57
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: GPU reset succeeded,
trying to resume
Jan 27 18:28:42 miku kernel: [drm] Found smc ucode version: 0x00011100
Jan 27 18:28:42 miku kernel: [drm] PCIE GART of 1024M enabled (table at
0x0000000000274000).
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: WB enabled
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: fence driver on ring 0
use gpu addr 0x0000000020000c00 and cpu addr 0xffff8800c613fc00
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: fence driver on ring 3
use gpu addr 0x0000000020000c0c and cpu addr 0xffff8800c613fc0c
Jan 27 18:28:42 miku kernel: radeon 0000:00:01.0: fence driver on ring 5
use gpu addr 0x0000000000072118 and cpu addr 0xffffc90002432118
Jan 27 18:28:42 miku kernel: [drm] ring test on 0 succeeded in 1 usecs
Jan 27 18:28:42 miku kernel: [drm] ring test on 3 succeeded in 3 usecs
Jan 27 18:28:42 miku kernel: [drm] ring test on 5 succeeded in 1 usecs
Jan 27 18:28:42 miku kernel: [drm] UVD initialized successfully.
Jan 27 18:28:52 miku kernel: radeon 0000:00:01.0: ring 0 stalled for more
than 10370msec
Jan 27 18:28:52 miku kernel: radeon 0000:00:01.0: GPU lockup (current fence
id 0x0000000000000002 last fence id 0x0000000000000004 on ring 0)
Jan 27 18:28:52 miku kernel: [drm:r600_ib_test [radeon]] *ERROR* radeon:
fence wait failed (-35).
Jan 27 18:28:52 miku kernel: [drm:radeon_ib_ring_tests [radeon]] *ERROR*
radeon: failed testing IB on GFX ring (-35).
Jan 27 18:29:22 miku systemd[1]: Started Getty on tty2.
------------------------------------------------------------</pre>
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