<html>
    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - coredump trying to stop xorg (Radeon RX 550)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=105431">105431</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>coredump trying to stop xorg (Radeon RX 550)
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>xorg
          </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>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Driver/Radeon
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>xorg-driver-ati@lists.x.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>markus.naeher@arcor.de
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>xorg-team@lists.x.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=137976" name="attach_137976" title="coredump stopping xorg">attachment 137976</a> <a href="attachment.cgi?id=137976&action=edit" title="coredump stopping xorg">[details]</a></span>
coredump stopping xorg

I'm currently facing two issues that I think are related:
1) When I try to suspend the computer from the desktop environment (XFCE), it
immediately freezes.
2) When I stop xorg from the console (systemctl stop lxdm), xorg crashes with a
coredump. The computer is still responsive, until I switch to console 7
(alt-F7), then it also freezes.

Kernel and Xorg versions:

X.Org X Server 1.19.6
Release Date: 2017-12-20
X Protocol Version 11, Revision 0
Build Operating System: Linux 4.14.12-1-ARCH x86_64 
Current Operating System: Linux TuxServer 4.15.7-1-ARCH #1 SMP PREEMPT Wed Feb
28 19:01:57 UTC 2018 x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-linux
root=/dev/mapper/SystemGroup-arch_prod rw quiet ipv6.disable=1
ipv6.disable_ipv6=1 amdgpu.dc=0
Build Date: 26 January 2018  10:25:18AM

Graphics hardware: Radeon RX 550 4GB

Currently I'm using the xf86-video-ati driver, _not_ amdgpu. With amdgpu, the
issue also occurs.

I have three computers with the same operating system, all of them up-to-date,
but the issue only occurs on the computer with the Radeon RX 550. The other
ones have an older AMD graphics card (Radon HD 5450) respectively intel on-chip
graphics (Celeron J 3455)


I've attached the core dump, and this is what I get in the system journal:

Mar 09 18:40:27 TuxServer systemd[1]: Stopping LXDE Display Manager...
-- Subject: Unit lxdm.service has begun shutting down
-- Defined-By: systemd
-- Support: <a href="https://lists.freedesktop.org/mailman/listinfo/systemd-devel">https://lists.freedesktop.org/mailman/listinfo/systemd-devel</a>
-- 
-- Unit lxdm.service has begun shutting down.
Mar 09 18:40:27 TuxServer systemd[1]: Started Process Core Dump (PID 1238/UID
0).
-- Subject: Unit <a href="mailto:systemd-coredump@1-1238-0.service">systemd-coredump@1-1238-0.service</a> has finished start-up
-- Defined-By: systemd
-- Support: <a href="https://lists.freedesktop.org/mailman/listinfo/systemd-devel">https://lists.freedesktop.org/mailman/listinfo/systemd-devel</a>
-- 
-- Unit <a href="mailto:systemd-coredump@1-1238-0.service">systemd-coredump@1-1238-0.service</a> has finished starting up.
-- 
-- The start-up result is RESULT.
Mar 09 18:40:27 TuxServer systemd-coredump[1239]: Removed old coredump
core.xfce4-sensors-p.1000.e53d1acd50b143d9924b52a7cb65fc7e.929.1520617120000000.lz4.
Mar 09 18:40:27 TuxServer systemd[1]: Stopped LXDE Display Manager.
-- Subject: Unit lxdm.service has finished shutting down
-- Defined-By: systemd
-- Support: <a href="https://lists.freedesktop.org/mailman/listinfo/systemd-devel">https://lists.freedesktop.org/mailman/listinfo/systemd-devel</a>
-- 
-- Unit lxdm.service has finished shutting down.
Mar 09 18:40:27 TuxServer systemd-coredump[1239]: Process 733 (Xorg) of user 0
dumped core.

                                                   Stack trace of thread 733:
                                                   #0  0x00007f114863a860 raise
(libc.so.6)
                                                   #1  0x00007f114863bec9 abort
(libc.so.6)
                                                   #2  0x000055c5d826dcea
OsAbort (Xorg)
                                                   #3  0x000055c5d8149674
ddxGiveUp (Xorg)
                                                   #4  0x000055c5d82737e2 n/a
(Xorg)
                                                   #5  0x000055c5d8274625
FatalError (Xorg)
                                                   #6  0x000055c5d826adde n/a
(Xorg)
                                                   #7  0x00007f11489cedd0
__restore_rt (libpthread.so.0)
                                                   #8  0x000055c5d823b063
DRI2CloseScreen (Xorg)
                                                   #9  0x00007f1144c41d68 n/a
(modesetting_drv.so)
                                                   #10 0x000055c5d8178b37 n/a
(Xorg)
                                                   #11 0x000055c5d81e5c02 n/a
(Xorg)
                                                   #12 0x000055c5d8197250 n/a
(Xorg)
                                                   #13 0x000055c5d8109390 n/a
(Xorg)
                                                   #14 0x00007f1148626f4a
__libc_start_main (libc.so.6)
                                                   #15 0x000055c5d80f2f0a
_start (Xorg)

                                                   Stack trace of thread 758:
                                                   #0  0x00007f11489ca3bd
pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                   #1  0x00007f1142e8bfbc n/a
(radeonsi_dri.so)
                                                   #2  0x00007f1142e8bec8 n/a
(radeonsi_dri.so)
                                                   #3  0x00007f11489c408c
start_thread (libpthread.so.0)
                                                   #4  0x00007f11486fbe7f
__clone (libc.so.6)

                                                   Stack trace of thread 757:
                                                   #0  0x00007f11489ca3bd
pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                   #1  0x00007f1142e8bfbc n/a
(radeonsi_dri.so)
                                                   #2  0x00007f1142e8bec8 n/a
(radeonsi_dri.so)
                                                   #3  0x00007f11489c408c
start_thread (libpthread.so.0)
                                                   #4  0x00007f11486fbe7f
__clone (libc.so.6)

                                                   Stack trace of thread 751:
                                                   #0  0x00007f11489ca3bd
pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                   #1  0x00007f1142e8bfbc n/a
(radeonsi_dri.so)
                                                   #2  0x00007f1142e8bec8 n/a
(radeonsi_dri.so)
                                                   #3  0x00007f11489c408c
start_thread (libpthread.so.0)
                                                   #4  0x00007f11486fbe7f
__clone (libc.so.6)

                                                   Stack trace of thread 756:
                                                   #0  0x00007f11489ca3bd
pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                   #1  0x00007f1142e8bfbc n/a
(radeonsi_dri.so)
                                                   #2  0x00007f1142e8bec8 n/a
(radeonsi_dri.so)
                                                   #3  0x00007f11489c408c
start_thread (libpthread.so.0)
                                                   #4  0x00007f11486fbe7f
__clone (libc.so.6)

                                                   Stack trace of thread 754:
                                                   #0  0x00007f11489ca3bd
pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                   #1  0x00007f1142e8bfbc n/a
(radeonsi_dri.so)
                                                   #2  0x00007f1142e8bec8 n/a
(radeonsi_dri.so)
                                                   #3  0x00007f11489c408c
start_thread (libpthread.so.0)
                                                   #4  0x00007f11486fbe7f
__clone (libc.so.6)

                                                   Stack trace of thread 753:
                                                   #0  0x00007f11489ca3bd
pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                   #1  0x00007f1142e8bfbc n/a
(radeonsi_dri.so)
                                                   #2  0x00007f1142e8bec8 n/a
(radeonsi_dri.so)
                                                   #3  0x00007f11489c408c
start_thread (libpthread.so.0)
                                                   #4  0x00007f11486fbe7f
__clone (libc.so.6)

                                                   Stack trace of thread 755:
                                                   #0  0x00007f11489ca3bd
pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                   #1  0x00007f1142e8bfbc n/a
(radeonsi_dri.so)
                                                   #2  0x00007f1142e8bec8 n/a
(radeonsi_dri.so)
                                                   #3  0x00007f11489c408c
start_thread (libpthread.so.0)
                                                   #4  0x00007f11486fbe7f
__clone (libc.so.6)

                                                   Stack trace of thread 761:
                                                   #0  0x00007f11489ca3bd
pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                                                   #1  0x00007f1142e8bfbc n/a
(radeonsi_dri.so)
                                                   #2  0x00007f1142e8bec8 n/a
(radeonsi_dri.so)
                                                   #3  0x00007f11489c408c
start_thread (libpthread.so.0)
                                                   #4  0x00007f11486fbe7f
__clone (libc.so.6)
-- Subject: Process 733 (Xorg) dumped core
-- Defined-By: systemd
-- Support: <a href="https://lists.freedesktop.org/mailman/listinfo/systemd-devel">https://lists.freedesktop.org/mailman/listinfo/systemd-devel</a>
-- Documentation: man:core(5)
-- 
-- Process 733 (Xorg) crashed and dumped core.
-- 
-- This usually indicates a programming error in the crashing program and
-- should be reported to its vendor as a bug.</pre>
        </div>
      </p>


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