Package: xserver-xorg-input-wacom
Version: 0.34.0-1
Severity: normal

Hello,

while diagnosing unrelated issue I noticed megabytes of

[  4407.128] (EE) BUG: triggered 'if (in_input_thread())'
[  4407.128] (EE) BUG: ../../../../os/io.c:661 in WriteToClient()
[  4407.128] (EE) ******** WriteToClient called from input thread *********
[  4407.128] (EE) 
[  4407.128] (EE) Backtrace:
[  4407.128] (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4a) [0x556b0650665a]
[  4407.128] (EE) 1: /usr/lib/xorg/Xorg (WriteToClient+0x162) [0x556b06509c72]
[  4407.128] (EE) 2: /usr/lib/xorg/Xorg (WriteEventsToClient+0x252) 
[0x556b063acbb2]
[  4407.128] (EE) 3: /usr/lib/xorg/Xorg (TryClientEvents+0x120) [0x556b063acd50]
[  4407.129] (EE) 4: /usr/lib/xorg/Xorg (0x556b0634d000+0x634ba) 
[0x556b063b04ba]
[  4407.129] (EE) 5: /usr/lib/xorg/Xorg (DeliverEventsToWindow+0x1d7) 
[0x556b063b07a7]
[  4407.129] (EE) 6: /usr/lib/xorg/Xorg (0x556b0634d000+0x146a79) 
[0x556b06493a79]
[  4407.129] (EE) 7: /usr/lib/xorg/Xorg (0x556b0634d000+0x1524ef) 
[0x556b0649f4ef]
[  4407.129] (EE) 8: /usr/lib/xorg/Xorg (XIChangeDeviceProperty+0x358) 
[0x556b0649fea8]
[  4407.129] (EE) 9: /usr/lib/xorg/modules/input/wacom_drv.so 
(0x7f3dc0553000+0x10df9) [0x7f3dc0563df9]
[  4407.129] (EE) 10: /usr/lib/xorg/modules/input/wacom_drv.so 
(0x7f3dc0553000+0x76a7) [0x7f3dc055a6a7]
[  4407.129] (EE) 11: /usr/lib/xorg/modules/input/wacom_drv.so 
(0x7f3dc0553000+0x8864) [0x7f3dc055b864]
[  4407.129] (EE) 12: /usr/lib/xorg/modules/input/wacom_drv.so 
(0x7f3dc0553000+0xe38f) [0x7f3dc056138f]
[  4407.129] (EE) 13: /usr/lib/xorg/modules/input/wacom_drv.so 
(0x7f3dc0553000+0x616b) [0x7f3dc055916b]
[  4407.129] (EE) 14: /usr/lib/xorg/modules/input/wacom_drv.so 
(0x7f3dc0553000+0x63a6) [0x7f3dc05593a6]
[  4407.129] (EE) 15: /usr/lib/xorg/Xorg (0x556b0634d000+0x1bb7cc) 
[0x556b065087cc]
[  4407.129] (EE) 16: /usr/lib/xorg/Xorg (0x556b0634d000+0x1bdeb1) 
[0x556b0650aeb1]
[  4407.129] (EE) 17: /usr/lib/xorg/Xorg (0x556b0634d000+0x1bb626) 
[0x556b06508626]
[  4407.129] (EE) 18: /lib/x86_64-linux-gnu/libpthread.so.0 
(0x7f3dcef9e000+0x7494) [0x7f3dcefa5494]
[  4407.129] (EE) 19: /lib/x86_64-linux-gnu/libc.so.6 (clone+0x3f) 
[0x7f3dcece7aff]
[  4407.129] (EE) 

are logged in Xorg.log

Can you please update to fixed version of the driver or disable the spam?

Thanks

-- System Information:
Debian Release: 9.3
  APT prefers stable
  APT policy: (900, 'stable'), (505, 'oldstable'), (500, 'oldoldstable'), (500, 
'testing'), (171, 'unstable'), (151, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf

Kernel: Linux 4.14.0-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages xserver-xorg-input-wacom depends on:
ii  libc6                                  2.24-11+deb9u1
ii  libudev1                               232-25+deb9u1
ii  libx11-6                               2:1.6.4-3
ii  libxext6                               2:1.3.3-1+b2
ii  libxi6                                 2:1.7.9-1
ii  libxinerama1                           2:1.1.3-1+b3
ii  libxrandr2                             2:1.5.1-1
ii  xserver-xorg-core [xorg-input-abi-24]  2:1.19.2-1+deb9u2

xserver-xorg-input-wacom recommends no packages.

Versions of packages xserver-xorg-input-wacom suggests:
ii  xinput  1.6.2-1+b1

-- no debconf information

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