SCANBD daemon crashes when usb scanner plugged.

Bug #1500095 reported by Olivier Rouits
34
This bug affects 6 people
Affects Status Importance Assigned to Milestone
scanbd (Ubuntu)
Fix Released
Medium
Rolf Leggewie

Bug Description

same as this ticket
http://sourceforge.net/p/scanbd/tickets/2/

with an old USB scanner: EPSON 1240U photo.

Revision history for this message
Olivier Rouits (olivier-rouits) wrote :

in syslog:

kernel: [ 1991.322552] usb 6-1: new full-speed USB device number 3 using ohci-pci
kernel: [ 1991.489112] usb 6-1: New USB device found, idVendor=04b8, idProduct=010b
kernel: [ 1991.489131] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
kernel: [ 1991.489140] usb 6-1: Product: Perfection1240
kernel: [ 1991.489148] usb 6-1: Manufacturer: EPSON
kernel: [ 1991.545908] show_signal_msg: 39 callbacks suppressed
kernel: [ 1991.545929] scanbd[3696]: segfault at 7fb8f5a4212c ip 00007fb8f5a4212c sp 00007fb8f5a31ed0 error 14 in libnss_files-2.21.so[7fb8f6167000+c000]
systemd[1]: scanbd.service: main process exited, code=killed, status=11/SEGV
systemd[1]: Unit scanbd.service entered failed state.
systemd[1]: scanbd.service failed.

Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in scanbd (Ubuntu):
status: New → Confirmed
Revision history for this message
L-Train (so1dieroffortune) wrote :

I've been experiencing the exact same issue ever since scanbd replaced scanbuttond. My scanner is fujitsu fi-6130. New Ubuntu releases and scanbd releases have not made it go away. I just reproduced it in Ubuntu 15.10 with scanbd 1.4.1-7.

Revision history for this message
Vladimir Botka (vbotka-9) wrote :

Same problem with scanbd 1.4.1-7 and 15.10..

scanbd segfault after the scanner was attached.

Nov 28 18:38:17 planb kernel: [371521.561547] usb 2-1.1: new high-speed USB device number 19 using ehci-pci
Nov 28 18:38:17 planb kernel: [371521.656143] usb 2-1.1: New USB device found, idVendor=055f, idProduct=0409
Nov 28 18:38:17 planb kernel: [371521.656156] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Nov 28 18:38:17 planb kernel: [371521.656163] usb 2-1.1: Product: USB2.0 Scanner
Nov 28 18:38:17 planb kernel: [371521.656168] usb 2-1.1: Manufacturer: Hewlett-Packard.
Nov 28 18:38:18 planb colord[950]: (colord:950): Cd-WARNING **: CdMain: failed to emit DeviceAdded: failed to register object: An object is already exported for the interface org.freedesktop.ColorManager.Device at /org/freedesktop/ColorManager/devices/sysfs_Hewlett_Packard__USB2_0_Scanner
Nov 28 18:38:18 planb kernel: [371522.275043] scanbd[24017]: segfault at b70937a0 ip b70937a0 sp b688f2ec error 14
Nov 28 18:38:18 planb kernel: [371522.275057] scanbd[23944]: segfault at b70935e0 ip b70935e0 sp b70902ec error 14 in libnss_files-2.21.so[b7113000+c000]
Nov 28 18:38:18 planb kernel: [371522.275210] in libnss_files-2.21.so[b7113000+c000]
Nov 28 18:38:18 planb systemd[1]: scanbd.service: Main process exited, code=killed, status=11/SEGV
Nov 28 18:38:18 planb systemd[1]: scanbd.service: Unit entered failed state.
Nov 28 18:38:18 planb systemd[1]: scanbd.service: Failed with result 'signal'.

# uname -a
Linux planb 4.2.4-040204-generic #201510261009 SMP Mon Oct 26 10:20:31 UTC 2015 i686 i686 i686 GNU/Linux

Rolf Leggewie (r0lf)
Changed in scanbd (Ubuntu):
importance: Undecided → Medium
Revision history for this message
L-Train (so1dieroffortune) wrote :

Issue still exist on the latest Ubuntu 16.10 with fujitsu fi-6130. scanbd crashes 100% of the time when the scanner gets turned on.

Revision history for this message
Francois Bissonnette (fbissonn) wrote :

Issue exist on 16.10 with Canon canoScan LIDE 50

kernel: [ 925.027534] scanbd[12647]: segfault at 7f6a795da64c ip 00007f6a795da64c sp 00007f6a795c9d90 error 14 in libnss_files-2.24.so[7f6a79d00000+b000]

systemd[1]: scanbd.service: Main process exited, code=killed, status=11/SEGV

systemd[1]: scanbd.service: Unit entered failed state.

systemd[1]: scanbd.service: Failed with result 'signal'.

systemd[1732]: Started Notification regarding a crash report.

Revision history for this message
Rolf Leggewie (r0lf) wrote :

The good news is that I was able to verify that 1.5.1 release upstream finally fixed this issue. It should arrive by the time Ubuntu 18.04 is released.

Revision history for this message
Rolf Leggewie (r0lf) wrote :

I will also make the latest version available via my LTS ppa at https://launchpad.net/~r0lf/+archive/ubuntu/stable

Changed in scanbd (Ubuntu):
status: Confirmed → In Progress
assignee: nobody → Rolf Leggewie (r0lf)
Revision history for this message
Daniel Quinlan (daniel-chaosengine) wrote :

Would adding Restart=on-failure to /lib/systemd/system/scanbd.service be a reasonable short-term fix?

Revision history for this message
Rolf Leggewie (r0lf) wrote :

I apologize for the delay in making good on my promise, I've just uploaded the latest upstream to my PPA (compiled against trusty, should work in later releases). I've also made a new upload to Debian unstable.

I do not use systemd, so I can't comment on #9 at this point.

Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package scanbd - 1.5.1-1

---------------
scanbd (1.5.1-1) unstable; urgency=medium

  * Imported upstream version 1.5.1
    - fix crashes when plugging in USB devices. LP: #1500095
  * patches: drop patch r214-219.patch as no longer necessary
  * copyright: update to 2017
  * control: update to Debian Standard 4.0.0

 -- Rolf Leggewie <email address hidden> Thu, 26 Oct 2017 13:38:50 +0800

Changed in scanbd (Ubuntu):
status: In Progress → Fix Released
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