[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Launchpad Bug Tracker]

This bug was fixed in the package xserver-xorg-input-libinput -
0.18.0-1ubuntu0.1

---
xserver-xorg-input-libinput (0.18.0-1ubuntu0.1) xenial; urgency=medium

  * fix-fdo-97117.diff: If the parent libinput_device is unavailable,
create a new one. (LP: #1655752)

 -- Timo Aaltonen   Thu, 19 Jan 2017 20:33:43 +0200

** Changed in: xserver-xorg-input-libinput (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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  Xorg crashed with SIGABRT in
  libinput_device_config_tap_get_finger_count()

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Re: [Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Hans-Christoph Steiner]

I've been through the suspend cycle a few more times, still no crashes!

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Title:
  Xorg crashed with SIGABRT in
  libinput_device_config_tap_get_finger_count()

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Timo Aaltonen]

thanks a lot for testing!

** Changed in: xserver-xorg-input-libinput (Ubuntu Xenial)
   Status: Incomplete => Fix Committed

** Tags removed: verification-needed
** Tags added: verification-done-xenial

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  Xorg crashed with SIGABRT in
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Re: [Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Hans-Christoph Steiner]

Ok, so I downgraded from 0.19.0-1 which I had manually installed from
yakkety, and installed 0.18.0-1ubuntu0.1 from xenial-proposed.  I tried
one clear test so far, and it did not crash.  It also seemed to log in
from wake up quite a bit faster.  It would usually hang for a while
after I entered my password.

Thanks so much!  If I encounter the problem again, I'll report back.

Timo Aaltonen:
> great. now enable proposed and test the update
>

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  Xorg crashed with SIGABRT in
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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Timo Aaltonen]

great. now enable proposed and test the update

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  Xorg crashed with SIGABRT in
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Re: [Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Hans-Christoph Steiner]

I now know how to reproduce this everytime:

* put my laptop to sleep/suspend
* wake it up
* before doing anything, plug in my USB mouse

If I plug in the USB mouse any time between wake up and logging into
lightdm, I get this crash.  Every time without fail.

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Timo Aaltonen]

TJ: ping? this is still unverified..

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Brian Murray]

** Tags removed: verification-done-xenial

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Hans-Christoph Steiner]

I'm getting this same crash on ElementaryOS Loki (based on Ubuntu 16.04)
with light-locker 1.7.0-2ubuntu1 and xserver-xorg-input-libinput
0.18.0-1.  It is on a Dell m3800 with dual Intel/nVidia graphics setup
with bumblebee and nouveau.  I'm pretty sure it happens when I put the
laptop to sleep with the external mouse plugged in, then I wake up the
laptop without that mouse plugged in.  I happens right after I log into
the lock screen.


[  8894.710] (II) config/udev: removing device Yubico Yubikey NEO OTP+CCID
[  8894.721] (II) UnloadModule: "libinput"
[  8924.009] (II) config/udev: removing device Microsoft Comfort Mouse 3000
[  8924.009] (II) UnloadModule: "libinput"
[  8924.009] (II) config/udev: removing device Microsoft Comfort Mouse 3000
[  8924.024] (II) UnloadModule: "libinput"
[  8942.192] (II) AIGLX: Suspending AIGLX clients for VT switch
[  8944.824] (II) config/udev: Adding input device Microsoft Comfort Mouse 3000 
(/dev/input/mouse0)
[  8944.824] (II) No input driver specified, ignoring this device.
[  8944.824] (II) This device may have been added with another device file.
[  8944.881] (II) config/udev: Adding input device Microsoft Comfort Mouse 3000 
(/dev/input/event6)
[  8944.881] (**) Microsoft Comfort Mouse 3000: Applying InputClass "evdev 
pointer catchall"
[  8944.881] (**) Microsoft Comfort Mouse 3000: Applying InputClass "evdev 
keyboard catchall"
[  8944.881] (**) Microsoft Comfort Mouse 3000: Applying InputClass "libinput 
pointer catchall"
[  8944.881] (**) Microsoft Comfort Mouse 3000: Applying InputClass "libinput 
keyboard catchall"
[  8944.881] (II) Using input driver 'libinput' for 'Microsoft Comfort Mouse 
3000'
[  8944.881] (**) Microsoft Comfort Mouse 3000: always reports core events
[  8944.881] (**) Option "Device" "/dev/input/event6"
[  8944.881] (**) Option "_source" "server/udev"
[  8944.882] (II) input device 'Microsoft Comfort Mouse 3000', 
/dev/input/event6 is tagged by udev as: Keyboard Mouse
[  8944.882] (II) input device 'Microsoft Comfort Mouse 3000', 
/dev/input/event6 is a pointer caps
[  8944.882] (II) input device 'Microsoft Comfort Mouse 3000', 
/dev/input/event6 is a keyboard
[  8944.896] (II) libinput: Microsoft Comfort Mouse 3000: needs a virtual 
subdevice
[  8944.896] (**) Option "config_info" 
"udev:/sys/devices/pci:00/:00:14.0/usb3/3-3/3-3.3/3-3.3:1.0/0003:045E:077B.0004/input/input19/event6"
[  8944.896] (II) XINPUT: Adding extended input device "Microsoft Comfort Mouse 
3000" (type: MOUSE, id 11)
[  8944.896] (**) Option "AccelerationScheme" "none"
[  8944.896] (**) Microsoft Comfort Mouse 3000: (accel) selected scheme none/0
[  8944.896] (**) Microsoft Comfort Mouse 3000: (accel) acceleration factor: 
2.000
[  8944.896] (**) Microsoft Comfort Mouse 3000: (accel) acceleration threshold: 
4
[  8944.896] (**) Microsoft Comfort Mouse 3000: Applying InputClass "evdev 
pointer catchall"
[  8944.896] (**) Microsoft Comfort Mouse 3000: Applying InputClass "evdev 
keyboard catchall"
[  8944.896] (**) Microsoft Comfort Mouse 3000: Applying InputClass "libinput 
pointer catchall"
[  8944.896] (**) Microsoft Comfort Mouse 3000: Applying InputClass "libinput 
keyboard catchall"
[  8944.896] (II) Using input driver 'libinput' for 'Microsoft Comfort Mouse 
3000'
[  8944.896] (**) Microsoft Comfort Mouse 3000: always reports core events
[  8944.896] (**) Option "Device" "/dev/input/event6"
[  8944.896] (**) Option "_source" "_driver/libinput"
[  8944.896] (II) libinput: Microsoft Comfort Mouse 3000: is a virtual subdevice
[  8944.896] (EE) 
[  8944.896] (EE) Backtrace:
[  8944.896] (EE) 0: /usr/lib/xorg/Xorg (xorg_backtrace+0x4e) [0x562060e51ade]
[  8944.896] (EE) 1: /usr/lib/xorg/Xorg (0x562060c9f000+0x1b6e69) 
[0x562060e55e69]
[  8944.896] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7fba0d806000+0x354b0) 
[0x7fba0d83b4b0]
[  8944.896] (EE) 3: /usr/lib/x86_64-linux-gnu/libinput.so.10 
(libinput_device_config_tap_get_finger_count+0x0) [0x7fba06139b00]
[  8944.896] (EE) 4: /usr/lib/xorg/modules/input/libinput_drv.so 
(0x7fba06359000+0x6953) [0x7fba0635f953]
[  8944.896] (EE) 5: /usr/lib/xorg/Xorg (0x562060c9f000+0xa2998) 
[0x562060d41998]
[  8944.896] (EE) 6: /usr/lib/xorg/modules/input/libinput_drv.so 
(0x7fba06359000+0x55e7) [0x7fba0635e5e7]
[  8944.897] (EE) 7: /usr/lib/xorg/modules/input/libinput_drv.so 
(0x7fba06359000+0x582c) [0x7fba0635e82c]
[  8944.897] (EE) 8: /usr/lib/xorg/Xorg (ProcessWorkQueue+0x21) [0x562060cf7c71]
[  8944.897] (EE) 9: /usr/lib/xorg/Xorg (WaitForSomething+0xad) [0x562060e4e6dd]
[  8944.897] (EE) 10: /usr/lib/xorg/Xorg (0x562060c9f000+0x53b8e) 
[0x562060cf2b8e]
[  8944.897] (EE) 11: /usr/lib/xorg/Xorg (0x562060c9f000+0x57dd3) 
[0x562060cf6dd3]
[  8944.897] (EE) 12: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0) 
[0x7fba0d826830]
[  8944.897] (EE) 13: /usr/lib/xorg/Xorg (_start+0x29) [0x562060ce1049]
[  8944.897] (EE) 
[  8944.897] (EE) Segmentation fault at address 0x40
[  8944.897] (EE) 
Fatal server error:
[  

[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Brian Murray]

** Changed in: xserver-xorg-input-libinput (Ubuntu Xenial)
   Status: Fix Committed => Incomplete

** Changed in: xserver-xorg-input-libinput (Ubuntu Yakkety)
   Status: Fix Committed => Incomplete

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Title:
  Xorg crashed with SIGABRT in
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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Robie Basak]

@TJ

Please could you explain what you tested and what the results were?
Please also confirm the package version of the package you tested.

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[TJ]

** Tags added: verification-done-xenial

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[TJ]

@Robie: "It looks like your backport also pulled in upstream commit
116cddba69b37246db564c1ddf772c0144c589f0. Was this intentional?"

No, from what I can see the backported commit
72bac84df9ce72f2baf730655ecc23f1692d1e64 removes and re-applies that
specific change too.

@Timo: My local package version is higher than that in -proposed so it
hadn't been applied locally. I'll report back after the next
logout/reboot cycle.

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Timo Aaltonen]

TJ: this is still unverified

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Adam Conrad]

Hello TJ, or anyone else affected,

Accepted xserver-xorg-input-libinput into xenial-proposed. The package
will build now and be available at https://launchpad.net/ubuntu/+source
/xserver-xorg-input-libinput/0.18.0-1ubuntu0.1 in a few hours, and then
in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: xserver-xorg-input-libinput (Ubuntu Xenial)
   Status: New => Fix Committed

** Tags added: verification-needed

** Changed in: xserver-xorg-input-libinput (Ubuntu Yakkety)
   Status: New => Fix Committed

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Robie Basak]

It looks like your backport also pulled in upstream commit
116cddba69b37246db564c1ddf772c0144c589f0. Was this intentional?

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[TJ]

** Changed in: xserver-xorg-input-libinput (Ubuntu)
 Assignee: TJ (tj) => (unassigned)

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Timo Aaltonen]

debian and zesty already has 0.23 which fixed this

** Changed in: xserver-xorg-input-libinput (Ubuntu)
   Status: In Progress => Fix Released

** Also affects: xserver-xorg-input-libinput (Ubuntu Yakkety)
   Importance: Undecided
   Status: New

** Also affects: xserver-xorg-input-libinput (Ubuntu Xenial)
   Importance: Undecided
   Status: New

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[TJ]

I've backported the upstream fix to the Debian/Ubuntu package; Timo, are
you able to update the Ubuntu packages for 16.04 + and also apply it to
Debian package (I'll try to recall how to send the debdiff via email
into the Debian bug tracker).

** Changed in: xserver-xorg-input-libinput (Ubuntu)
   Status: New => In Progress

** Changed in: xserver-xorg-input-libinput (Ubuntu)
 Assignee: (unassigned) => TJ (tj)

** Patch added: "Debdiff containing backported upstream fix"
   
https://bugs.launchpad.net/xorg-server/+bug/1655752/+attachment/4805807/+files/xserver-xorg-input-libinput_0.18.0-1ubuntu1.debdiff

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Ubuntu Foundations Team Bug Bot]

The attachment "Debdiff containing backported upstream fix" seems to be
a debdiff.  The ubuntu-sponsors team has been subscribed to the bug
report so that they can review and hopefully sponsor the debdiff.  If
the attachment isn't a patch, please remove the "patch" flag from the
attachment, remove the "patch" tag, and if you are member of the
~ubuntu-sponsors, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issue please contact him.]

** Tags added: patch

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Timo Aaltonen]

** Package changed: xorg-server (Ubuntu) => xserver-xorg-input-libinput
(Ubuntu)

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[TJ]

** No longer affects: xorg-server

** Bug watch added: freedesktop.org Bugzilla #97117
   https://bugs.freedesktop.org/show_bug.cgi?id=97117

** Also affects: xorg-server via
   https://bugs.freedesktop.org/show_bug.cgi?id=97117
   Importance: Unknown
   Status: Unknown

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[TJ]

** Bug watch added: freedesktop.org Bugzilla #99390
   https://bugs.freedesktop.org/show_bug.cgi?id=99390

** Also affects: xorg-server via
   https://bugs.freedesktop.org/show_bug.cgi?id=99390
   Importance: Unknown
   Status: Unknown

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  libinput_device_config_tap_get_finger_count()

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[TJ]

The log file shows the input device(s) being removed upon system idle
and the attempt to re-attach it failing.

** Attachment added: "Xorg log"
   
https://bugs.launchpad.net/debian/+source/xorg-server/+bug/1655752/+attachment/4803510/+files/Xorg.0.log.old

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Title:
  Xorg crashed with SIGABRT in
  libinput_device_config_tap_get_finger_count()

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[Bug Watch Updater]

** Changed in: xorg-server (Debian)
   Status: Unknown => New

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Title:
  Xorg crashed with SIGABRT in
  libinput_device_config_tap_get_finger_count()

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[Bug 1655752] Re: Xorg crashed with SIGABRT in libinput_device_config_tap_get_finger_count()

[TJ]

The NULL device bubbles up from

xserver-xorg-input-
libinput-0.18.0/src/xf86libinput.c::xf86libinput_pre_init()

where it does

is_subdevice = xf86libinput_is_subdevice(pInfo);
if (!is_subdevice) {
   ...
} else {
InputInfoPtr parent;
struct xf86libinput *parent_driver_data;

parent = xf86libinput_get_parent(pInfo);
if (!parent) {
xf86IDrvMsg(pInfo, X_ERROR, "Failed to find parent device\n");
goto fail;
}
xf86IDrvMsg(pInfo, X_INFO, "is a virtual subdevice\n");

parent_driver_data = parent->private;
shared_device = 
xf86libinput_shared_ref(parent_driver_data->shared_device);
device = shared_device->device;
}

At this point the parent device's private->shared_device->device node
should provide a non-NULL pointer for the device.

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Title:
  Xorg crashed with SIGABRT in
  libinput_device_config_tap_get_finger_count()

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