hits g_assert (device->priv->styli) when my Wacom Bamboo 2FG 4x5 is plugged in

[Pete Graner]

Updated on 17 Feb and gnome-settings-daemon keeps crashing.

pgraner@beavis:~$ gnome-settings-daemon

color-plugin-WARNING **: failed to get edid: unable to get EDID for output
[1329507333,000,xklavier.c:xkl_engine_start_listen/] The backend does not require manual layout management - but it is provided by the application

** WARNING **: Tablet 'usb:056a:0015' has no buttons defined, do something!

** WARNING **: Tablet 'usb:056a:0014' has no buttons defined, do something!

** WARNING **: Tablet 'usb:056a:0013' has no buttons defined, do something!

wacom-plugin-WARNING **: Failed to create fallback wacom device for '/dev/input/event5': Device '/dev/input/event5' is not a tablet (2)

wacom-plugin-WARNING **: Could not set the current stylus ID 0x0 for tablet 'Wacom Bamboo Pen & Touch', no general pen found
**
wacom-plugin:ERROR:gsd-wacom-device.c:1321:gsd_wacom_device_set_current_stylus: assertion failed: (device->priv->styli)
Aborted (core dumped)

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gnome-settings-daemon 3.3.5-0ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-16.25-generic 3.2.6
Uname: Linux 3.2.0-16-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Fri Feb 17 14:13:20 2012
ExecutablePath: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcCmdline: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
ProcEnviron:
 SHELL=/bin/false
 PATH=(custom, no user)
 LANG=en_US.UTF-8
Signal: 6
SourcePackage: gnome-settings-daemon
StacktraceTop:
 raise () from /lib/x86_64-linux-gnu/libc.so.6
 abort () from /lib/x86_64-linux-gnu/libc.so.6
 g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 gsd_wacom_device_set_current_stylus () from /usr/lib/gnome-settings-daemon-3.0/libgsdwacom.so
Title: gnome-settings-daemon crashed with SIGABRT in raise()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f5ae172fbc0 "gsd_wacom_device_set_current_stylus", message=0x14d0e70 "assertion failed: (device->priv->styli)") at /build/buildd/glib2.0-2.31.16/./glib/gtestutils.c:1860
 g_assertion_message_expr (domain=0x7f5ae172e75c "wacom-plugin", file=0x7f5ae172efd7 "gsd-wacom-device.c", line=1321, func=0x7f5ae172fbc0 "gsd_wacom_device_set_current_stylus", expr=<optimized out>) at /build/buildd/glib2.0-2.31.16/./glib/gtestutils.c:1871
 gsd_wacom_device_set_current_stylus (device=0x1505da0, stylus_id=0) at gsd-wacom-device.c:1321
 setup_property_notify (device=0x1505da0) at gsd-wacom-device.c:398
 gsd_wacom_device_constructor (type=<optimized out>, n_construct_properties=<optimized out>, construct_properties=<optimized out>) at gsd-wacom-device.c:1072

[Bryce Harrington (bryce)]

Having pete downgrade to 3.2.2-0ubuntu17 resolved the problem.

He also found the crash only occurred when the wacom tablet was plugged in; unplugging it worked around the bug.

From the crash dump, g-s-d is crashing in the new wacom support code in g-s-d that was introduced in this new version.

[Bryce Harrington (bryce)]

Perhaps this suggests the wacom plugin's configuration default setting should be to OFF for precise, if it is indeed new functionality? Then switch it on by default for 12.10?

[Robert Hooker (sarvatt)]

Can you attach a lsusb and xinput --list with the tablet plugged in? It could be that libwacom just needs a definition for your tablet, the only bamboo I see is here and it has special stylus handling for it.

http://linuxwacom.git.sourceforge.net/git/gitweb.cgi?p=linuxwacom/libwacom;a=blob;f=data/bamboo-pen-and-touch.tablet;h=424e11873e17c89e60acbd86f547815cac537da5;hb=064a4e45fb3e8e40d8a39346e3205fca40c23b00

Even if thats the case, a wacom g-s-d plugin problem definitely should not be preventing the session from starting up..

[Pete Graner (pgraner)]

@sarvatt

Here are the output you asked for. Let me know if you need anything else.

[Launchpad Janitor (janitor)]

This bug was fixed in the package gnome-settings-daemon - 3.3.90-0ubuntu3

---------------
gnome-settings-daemon (3.3.90-0ubuntu3) precise; urgency=low

  * debian/patches/git_wacom_fix.patch:
    - deal better with some wacom devices to avoiding segfaults (lp: #934445)
  * debian/source_gnome-settings-daemon.py:
    - correctly separate tags with spaces so they don't get concatenated
 -- Sebastien Bacher <email address hidden> Fri, 24 Feb 2012 12:39:29 +0100

[Launchpad Janitor (janitor)]

This bug was fixed in the package libwacom - 0.3-0ubuntu4

---------------
libwacom (0.3-0ubuntu4) precise; urgency=low

  * git_touchpad_tablet.patch: "Don't fail to create WacomDevice for Touch"
    should fix gnome-settings-daemon segfault on some devices (lp: #934445)
 -- Sebastien Bacher <email address hidden> Fri, 24 Feb 2012 11:50:03 +0100

[Sebastien Bacher (seb128)]

Pete, could you confirm that the fix works for you?

[Pete Graner (pgraner)]

@seb128,

Sorry for the delay I missed your question in bug mail.

It works as expected now.

[Edward Donovan (edward.donovan)]

Launchpad and 'Apport retracing service' marked my new bug, #958553, as a dupe of this. I had considered doing the same, but this was marked fixed, and my case isn't. I don't care if we call it a dupe or not; as long as we are, then I'd like to re-open this bug. S ince when I plug in my 'Bamboo Pen and Touch', g-s-d still crashes. I was going to say "Traces are attached to my duped bug", but Launchpad seems to have deleted them. I think it has me outfoxed, for the moment. Thanks.

[Edward Donovan (edward.donovan)]

Thank you Sebastian, for re-opening.

Here's the brief output of requested diagnostics, for my 'Bamboo Pen & Touch' tablet. I'll attach more verbose output.

lsusb:

  Bus 003 Device 002: ID 056a:00d1 Wacom Co., Ltd Bamboo Pen & Touch (CTH-460-DE)

xinput --list:

$ xinput list: the last four lines, and I'll show the other entries in case they shed any light.

⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech Unifying Device. Wireless PID:1017 id=8 [slave pointer (2)]
⎜ ↳ HID 05a4:9881 id=10 [slave pointer (2)]
⎜ ↳ Logitech USB Receiver id=11 [slave pointer (2)]
⎜ ↳ Logitech USB Receiver id=12 [slave pointer (2)]
⎜ ↳ Chicony USB Wireless HID Receiver id=15 [slave pointer (2)]
⎜ ↳ Wacom Bamboo 2FG 4x5 Finger touch id=17 [slave pointer (2)]
⎜ ↳ Wacom Bamboo 2FG 4x5 Finger pad id=18 [slave pointer (2)]
⎜ ↳ Wacom Bamboo 2FG 4x5 Pen stylus id=19 [slave pointer (2)]
⎜ ↳ Wacom Bamboo 2FG 4x5 Pen eraser id=20 [slave pointer (2)]

Excuse me if I those pasted characters come out badly.

[Edward Donovan (edward.donovan)]

I took a look at the upstream bug, again. Now someone's noted another, similar report in the Gnome bugzilla:

  https://bugzilla.gnome.org/show_bug.cgi?id=672917

I'll read up on that.

[Edward Donovan (edward.donovan)]

Ah, progress. I followed the instructions at Gnome bug 672917, and no longer get the crash.

I edited

  /usr/share/libwacom/bamboo-pen-and-touch.tablet

Where line 16 says:

Styli=0xfffff

then appending this second hex number, to make it:

Styli=0xfffff;0xffffe

Stops the crash.

Hopefully at this point, this fix is on it's way in upstream. I will try to keep up with it.

[Edward Donovan (edward.donovan)]

I'll note another issue, but don't consider it part of this bug.

G-s-d still reacts to my tablet with this error output:

  ** (gnome-settings-daemon:3015): WARNING **: Tablet 'usb:056a:0015' has no buttons defined, do something!

  ** (gnome-settings-daemon:3015): WARNING **: Tablet 'usb:056a:0014' has no buttons defined, do something!

  ** (gnome-settings-daemon:3015): WARNING **: Tablet 'usb:056a:0013' has no buttons defined, do something!

And indeed, the tablet's buttons don't work.

But more importantly, for now, g-s-d doesn't crash, with the fix noted above. (Though it's small, I guess I'll attach it as a patch.)

When I get around to worrying about the buttons, I'll see if it works soon, or treat it as a separate issue.

[Edward Donovan (edward.donovan)]

This brief patch fixes the gnome-settings-daemon crash, for my Bamboo Pen & Touch tablet.

The file patched actually belongs to package libwacom-common.

The patch came from Red Hat bug 799667:

  https://bugzilla.redhat.com/show_bug.cgi?id=799667

(via Gnome bug 672917)

Thanks!

[Edward Donovan (edward.donovan)]

Oops! I'm sorry, I don't know Launchpad's markup well enough. (Can anyone point me to docs on that?)

Where I mentioned Gnome and Red Hat bugs, above, LP made links to LP bugs with those numbers. Those bugs have no connection here. The Red Hat bug that I gave the full hyperlink for, is correct. Thanks.

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "libwacom-tablet-description-fix.patch" of this bug report has been identified as being a patch. The ubuntu-reviewers team has been subscribed to the bug report so that they can review the patch. In the event that this is in fact not a patch you can resolve this situation by removing the tag 'patch' from the bug report and editing the attachment so that it is not flagged as a patch. Additionally, if you are member of the ubuntu-reviewers team please also unsubscribe the team from this bug report.

[This is an automated message performed by a Launchpad user owned by Brian Murray. Please contact him regarding any issues with the action taken in this bug report.]

[Rudiger Wolf (rudiger-wolf)]

The fix in #19 works for me as well.

[Timo Aaltonen (tjaalton)]

uploaded the patch for libwacom to precise-proposed.

[Edward Donovan (edward.donovan)]

Thanks!

[Launchpad Janitor (janitor)]

This bug was fixed in the package libwacom - 0.4-1ubuntu1

---------------
libwacom (0.4-1ubuntu1) precise-proposed; urgency=low

  * Merge from debian unstable, remaining changes: none.
  * Add libwacom-tablet-description-fix.patch which adds a new stylus id
    for the bamboo-pen-and-touch definition so that gnome-settings-daemon
    won't crash due to an unknown stylus, thanks Edward Donovan!
    (LP: #934445)
 -- Timo Aaltonen <email address hidden> Fri, 30 Mar 2012 13:10:06 +0300

[Edward Donovan (edward.donovan)]

Sooo...since it was libwacom that turned out to need patching, I'm not sure how to manage the other projects in this bug report.

Shall we mark it closed for gnome-settings-daemon? In Ubuntu, at least?

(Unless we consider it a bug that g-s-d crashes, rather than surviving libwacom's problem. Some upstream discussion mentions that. But if we did, it might be best to file a separate bug.)

I don't have much experience with that sort of question, yet, but I'd like to close out the report as cleanly as I can. Thanks.

[Sebastien Bacher (seb128)]

we should still have g-s-d not go down on such issues so we need to keep that part until it's sorted out

[Edward Donovan (edward.donovan)]

Great; thank you Sebastien.

[Sebastien Bacher (seb128)]

there has been no recent duplicate and upstream said it's not a GNOME bug, seems the libwacom update fixed it, closing the bug