Ubuntu
cups package

  1. Bug #997040
  2. Comment #35

Comment 35 for bug 997040

Revision history for this message
Aurimas FiĊĦeras (aurimas-gmail) wrote : Re: usb printer backend crashes

When usblp is not blacklisted and usb-unidir-default=true - same problem, printer eventually hangs.

syslog:
Jun 15 11:00:21 mcprek4 kernel: [ 1129.726816] type=1400 audit(1339747221.656:15): apparmor="STATUS" operation="profile_replace" name="/usr/lib/cups/backend/cups-pdf" pid=1462 comm="apparmor_parser"
Jun 15 11:00:21 mcprek4 kernel: [ 1129.735018] type=1400 audit(1339747221.664:16): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/cupsd" pid=1462 comm="apparmor_parser"
Jun 15 11:00:29 mcprek4 kernel: [ 1137.744169] usb 1-1: USB disconnect, device number 5
Jun 15 11:00:33 mcprek4 kernel: [ 1141.952106] usb 1-1: new full-speed USB device number 6 using uhci_hcd
Jun 15 11:00:34 mcprek4 kernel: [ 1142.131455] usblp0: USB Bidirectional printer dev 6 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B
Jun 15 11:03:47 mcprek4 kernel: [ 1335.147632] usblp0: removed
Jun 15 11:03:58 mcprek4 kernel: [ 1346.555667] usblp0: USB Bidirectional printer dev 6 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B
Jun 15 11:04:30 mcprek4 kernel: [ 1378.233155] usblp0: removed
Jun 15 11:04:41 mcprek4 kernel: [ 1389.433557] usblp0: USB Bidirectional printer dev 6 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B
Jun 15 11:04:54 mcprek4 kernel: [ 1402.903747] usblp0: removed