[Bug 997040] Re: usb printer backend crashes
With usblp blacklisted - everything works (did not test usb-unidir- default=true in this case). When usblp is not blacklisted: Jun 15 10:42:37 mcprek4 kernel: [ 65.370530] audit_printk_skb: 3 callbacks suppressed Jun 15 10:42:37 mcprek4 kernel: [ 65.370550] type=1400 audit(1339746157.300:13): apparmor=STATUS operation=profile_replace name=/usr/lib/cups/backend/cups-pdf pid=1172 comm=apparmor_parser Jun 15 10:42:37 mcprek4 kernel: [ 65.378893] type=1400 audit(1339746157.308:14): apparmor=STATUS operation=profile_replace name=/usr/sbin/cupsd pid=1172 comm=apparmor_parser Jun 15 10:42:42 mcprek4 kernel: [ 70.584173] usb 1-1: USB disconnect, device number 2 Jun 15 10:42:42 mcprek4 kernel: [ 70.590193] usblp0: removed Jun 15 10:42:46 mcprek4 kernel: [ 74.792106] usb 1-1: new full-speed USB device number 3 using uhci_hcd Jun 15 10:42:46 mcprek4 kernel: [ 74.971457] usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 15 10:42:56 mcprek4 kernel: [ 84.342362] usblp0: removed Jun 15 10:43:19 mcprek4 kernel: [ 107.611910] usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 15 10:44:36 mcprek4 kernel: [ 184.270747] usblp0: removed Jun 15 10:44:56 mcprek4 kernel: [ 204.648783] usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 15 10:45:10 mcprek4 kernel: [ 218.640172] usb 1-1: USB disconnect, device number 3 Jun 15 10:45:10 mcprek4 kernel: [ 218.648305] usblp0: removed Jun 15 10:45:16 mcprek4 kernel: [ 224.408175] usb 1-1: new full-speed USB device number 4 using uhci_hcd Jun 15 10:45:16 mcprek4 kernel: [ 224.584529] usblp0: USB Bidirectional printer dev 4 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 15 10:45:21 mcprek4 kernel: [ 229.610385] usblp0: removed Jun 15 10:45:40 mcprek4 kernel: [ 248.777551] usblp0: USB Bidirectional printer dev 4 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 15 10:49:58 mcprek4 kernel: [ 506.469079] usblp0: removed Jun 15 10:50:18 mcprek4 kernel: [ 526.876918] usblp0: USB Bidirectional printer dev 4 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 15 10:50:42 mcprek4 kernel: [ 550.728172] usb 1-1: USB disconnect, device number 4 Jun 15 10:50:42 mcprek4 kernel: [ 550.736298] usblp0: removed Jun 15 10:50:47 mcprek4 kernel: [ 555.184117] usb 1-1: new full-speed USB device number 5 using uhci_hcd Jun 15 10:50:47 mcprek4 kernel: [ 555.363460] usblp0: USB Bidirectional printer dev 5 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 15 10:51:19 mcprek4 kernel: [ 587.104133] usblp0: removed Jun 15 10:51:39 mcprek4 kernel: [ 607.552854] usblp0: USB Bidirectional printer dev 5 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 15 10:51:43 mcprek4 kernel: [ 611.825536] usblp0: removed ** Attachment added: CUPS error_log (standard settings) https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3190500/+files/error_log.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] 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 ** Attachment added: CUPS error_log (usb-unidir-default=true) https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3190501/+files/error_log.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Can you do this testing again and as soon as you get a hanging job, check whether the usblp kernel module is attached to the printer or not. To do so,when starting the (cancel jobs, power-cycle printer) run the command: ls -l /dev/usb/lp* This should give at least one line of output (make sure usblp is not blacklisted). You can see which line corresponds to your printer via sudo usb_printerid /dev/usb/lp0 sudo usb_printerid /dev/usb/lp1 ... Now print your jobs. You can observe that during data transfer of each job the line for your printer in ls -l /dev/usb/lp* disappears and reappears after completion of the data transfer to the printer. As soon as a job hangs, DO NOT cancel it and run the commands ls -l /dev/usb/lp* ps auxwww | grep usb: and post the output here. Does the line for your printer appear in the ls -l /dev/usb/lp* output? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
When the job hangs, I see: ls -l /dev/usb/lp* ls: cannot access /dev/usb/lp*: No such file or directory ps auxwww | grep usb lp2243 0.8 1.1 37020 2804 ?Sl 14:30 0:01 Samsung_SCX-4200_Series 32966 anonymous Test Page 1 job-uuid=urn:uuid:d674bfa7-ab5d-3105-4062-fe488128f865 nousb-unidir job-originating-host-name=localhost time-at-creation=1339759834 time-at-processing=1339759834 root 2244 0.0 0.5 23708 1396 ?Sl 14:30 0:00 usb://Samsung/SCX-4200%20Series?serial=8T66BADQ207127T.interface=1 32966 anonymous Test Page 1 job-uuid=urn:uuid:d674bfa7-ab5d-3105-4062-fe488128f865 nousb-unidir job-originating-host-name=localhost time-at-creation=1339759834 time-at-processing=1339759834 it3526 0.0 0.3 5596 800 pts/1S+ 14:33 0:00 grep --color=auto usb -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
When the printer is idle: ls -l /dev/usb/lp* crw-rw 1 root lp 180, 0 Jun 15 14:34 /dev/usb/lp0 sudo usb_printerid /dev/usb/lp0 GET_DEVICE_ID string: MFG:Samsung;CMD:GDI;MDL:SCX-4200 Series;CLS:PRINTER;MODE:PCL;STATUS:IDLE; -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** Also affects: libusbx (Ubuntu) Importance: Undecided Status: New ** Also affects: libusb-1.0 (Ubuntu) Importance: Undecided Status: New ** Summary changed: - usb printer backend crashes + usb printer backend hangs when usblp kernel module is loaded ** Changed in: libusb-1.0 (Ubuntu) Status: New = Invalid ** Changed in: libusbx (Ubuntu Precise) Status: New = Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend hangs when usblp kernel module is loaded To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Test 1, when usblp is blacklisted - everything works. Test 2, the printer prints several pages successfully, then stops responding. CUPS shows Rendering completed. After power cycling the printer and restarting the job, printer prints several more pages before stopping. ** Attachment added: error_logs.tar.gz https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3189015/+files/error_logs.tar.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Unfortunately, your error_log files do not contain the relevant information as for your CUPS the CUPS-internal default log rotating seems to be active. This restricts logs to a size of 1 MB discarding the needed information within minutes. Your logs cover only ~30 min. So run cupsctl MaxLogSize=0 and do all your tests again. Note that MaxLogSize=0 is a Ubuntu default which we introduced as we did not get useful error_log files on bug reports. Ubuntu uses the central logrotate facility which restarts logging once in 24 hours and archives the logs of the last 7 days. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
** Attachment removed: error_logs.tar.gz https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3189015/+files/error_logs.tar.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Sorry for the irrelevant error_log file earlier today. This one contains information about the hanging job 32951. ** Attachment added: error_log.gz https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3189167/+files/error_log.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Next testing round: cups 1.5.3-0ubuntu2~ppa7 is uploaded to my PPA now and this respects uni-directional devices and gives some more messages in error_log. Please repeat the tests with it (with and without blacklisting usblp) and attach syslog and error_log of the failing tests. In addition, you can try to force uni-directional mode by lpadmin -p queue -o usb-unidir-default=true and restore to normal mode via lpadmin -p queue -o usb-unidir-default=false For queue the name of your print queue has to be inserted. Please repeat your tests with forced uni-directional mode. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Next testing round to get the USB backend working: In some hours cups 1.5.3-0ubuntu2~ppa4 will be available on my PPA, update your system to get it, check whether you actually got it, and do the tests of comment #20 again. For each failed test attach the error_log and /var/log/syslog, thanks. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Test 1 with usblp blacklisted - Waiting for printer to become available. Job not printed. cat /var/log/syslog Jun 13 17:19:54 mcprek4 kernel: [ 253.221086] type=1400 audit(1339597194.155:16): apparmor=STATUS operation=profile_replace name=/usr/lib/cups/backend/cups-pdf pid=1415 comm=apparmor_parser Jun 13 17:19:54 mcprek4 kernel: [ 253.225846] type=1400 audit(1339597194.159:17): apparmor=STATUS operation=profile_replace name=/usr/sbin/cupsd pid=1415 comm=apparmor_parser Jun 13 17:20:02 mcprek4 kernel: [ 261.296172] usb 1-2: USB disconnect, device number 2 Jun 13 17:20:08 mcprek4 kernel: [ 267.412107] usb 1-2: new full-speed USB device number 3 using uhci_hcd ** Attachment added: CUPS error_log https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3187785/+files/error_log.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Test 2 without usblp blacklist - Waiting for printer to become available. Job not printed. /var/log/syslog Jun 13 17:27:54 mcprek4 kernel: [ 97.973150] audit_printk_skb: 3 callbacks suppressed Jun 13 17:27:54 mcprek4 kernel: [ 97.973171] type=1400 audit(1339597674.911:13): apparmor=STATUS operation=profile_replace name=/usr/lib/cups/backend/cups-pdf pid=1190 comm=apparmor_parser Jun 13 17:27:54 mcprek4 kernel: [ 97.978194] type=1400 audit(1339597674.915:14): apparmor=STATUS operation=profile_replace name=/usr/sbin/cupsd pid=1190 comm=apparmor_parser Jun 13 17:28:10 mcprek4 kernel: [ 113.240163] usb 1-2: USB disconnect, device number 2 Jun 13 17:28:10 mcprek4 kernel: [ 113.246123] usblp0: removed Jun 13 17:28:24 mcprek4 kernel: [ 127.412105] usb 1-2: new full-speed USB device number 3 using uhci_hcd Jun 13 17:28:24 mcprek4 kernel: [ 127.591485] usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B Jun 13 17:28:58 mcprek4 kernel: [ 161.068145] usblp0: removed ** Attachment added: CUPS error_log 2 https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3187787/+files/error_log.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
New version uploaded which does not do an initial reset on the printer (~ppa5). please do the same tests with this version. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Updated CUPS to 1.5.3-0ubuntu2~ppa3 Both tests produce the same result - Waiting for printer to become available. No jobs printed. However, dmesg doesn't show any errors: [ 227.072164] usb 1-2: USB disconnect, device number 2 [ 231.776106] usb 1-2: new full-speed USB device number 3 using uhci_hcd [ 323.436356] usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 323.436482] usbcore: registered new interface driver usblp [ 331.000185] usb 1-2: USB disconnect, device number 3 [ 331.006089] usblp0: removed [ 336.944103] usb 1-2: new full-speed USB device number 4 using uhci_hcd [ 337.127441] usblp0: USB Bidirectional printer dev 4 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 420.604752] usblp0: removed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Reran the test to the letter. Same result with or without usblp - Waiting for printer to become available. Turning the printer on/off has no effect. [ 498.400172] usb 1-2: USB disconnect, device number 2 [ 502.084102] usb 1-2: new full-speed USB device number 3 using uhci_hcd [ 535.352175] usb 1-2: USB disconnect, device number 3 [ 538.072117] usb 1-2: new full-speed USB device number 4 using uhci_hcd [ 551.654143] usb 1-2: usbfs: process 1114 (usb) did not claim interface 1 before use ... [ 606.739712] usb 1-2: usbfs: process 1114 (usb) did not claim interface 1 before use [ 610.516523] usblp0: USB Bidirectional printer dev 4 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 610.516650] usbcore: registered new interface driver usblp [ 611.747549] usblp0: removed [ 611.747633] usb 1-2: usbfs: process 1114 (usb) did not claim interface 1 before use [ 631.328167] usb 1-2: USB disconnect, device number 4 [ 635.660105] usb 1-2: new full-speed USB device number 5 using uhci_hcd [ 635.843492] usblp0: USB Bidirectional printer dev 5 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 652.160171] usb 1-2: USB disconnect, device number 5 [ 652.166071] usblp0: removed [ 655.404096] usb 1-2: new full-speed USB device number 6 using uhci_hcd [ 655.580538] usblp0: USB Bidirectional printer dev 6 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 668.570873] usblp0: removed [ 668.570993] usb 1-2: usbfs: process 1155 (usb) did not claim interface 1 before use ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
My CUPS upload to my PPA (1.5.3-0ubuntu2~ppa2) is broken. In some hours the new version 1.5.3-0ubuntu2~ppa3 will be available. Please wait for this new version, update your system then, check whether you actually have 1.5.3-0ubuntu2~ppa3 and then do the tests of comment #20 again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Upgraded CUPS to 1.5.3-0ubuntu2~ppa2. Printer status: Waiting for printer to become available. dmesg shows this line repetedly: [ 91.773332] usb 1-2: usbfs: process 838 (usb) did not claim interface 1 before use Removed usblp from blacklist, modprobe'd it. Printer status: Waiting for printer to become available. dmesg shows: [ 200.807475] usblp0: USB Bidirectional printer dev 2 if 1 alt 0 proto 2 vid 0x04E8 pid 0x341B [ 200.807604] usbcore: registered new interface driver usblp [ 204.024700] usblp0: removed [ 204.024798] usb 1-2: usbfs: process 1113 (usb) did not claim interface 1 before use -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Did you turn off and turn on the printer and cancel all pending print jobs before each test? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
I want to ask you to do another test, so that we can find out whether we can stop blacklisting the usblp kernel module: I have uploaded a modified CUPS package to my PPA now. Please add my PPA to your system as described on https://launchpad.net/~till-kamppeter/+archive/ppa in the section Adding this PPA to your system and then install the new CUPS package, preferably by simply doing a full system update. The CUPS version must be 1.5.3-0ubuntu2~ppa2. Now turn off and turn on your USB printer and re-plug the USB (with the printer turned on). Try to print. does it work now? Independent whether printing works for you now or not, reactivate the usblp kernel module by running the following two commands in a terminal window: sudo mv /etc/modprobe.d/blacklist-cups-usblp.conf ~ sudo modprobe usblp Turn off and turn on your printer again and re-plug the USB (with the printer turned on). Try to print again. does it also work now? If it works, you are done. If it worked in the first test and stopped in the second, return to the configuration of the first test by running the following commands in a terminal window: sudo mv ~/blacklist-cups-usblp.conf /etc/modprobe.d/ sudo rmmod usblp -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
This bug was fixed in the package cups - 1.5.3-0ubuntu1
---
cups (1.5.3-0ubuntu1) precise-proposed; urgency=low
[ Till Kamppeter ]
* New upstream release
- Numerous fixes on IPP (LP: #945028, LP: #973270, LP: #990734,
LP: #992468, LP: #992982, LP: #1000172, LP: #1000758)
- USB backend based on the maintained libusb 1.0.x with support for
bi-directional communication
- Fixes on SNMP-based supply level reporting
- PostScript prtinter auto-configuration reliable now
- Several fixes on PostScript, SSL, authenticated printing, and
networking issues
* debian/patches/ipp-fixes-1.5.3.patch,
debian/patches/fix-empty-translations.patch,
debian/patches/ppd-cache-fix-crash.patch,
debian/patches/commandtops-make-robust-against-broken-postscript.patch,
debian/patches/cups-polld-reconnect.patch,
debian/patches/usb-backend-libusb-1.0.patch,
debian/patches/usb-backend-backchannel-support.patch: Removed patches which
got included upstream.
* debian/patches/fix-supply-level-computation-for-percent-supply-unit.patch,
debian/patches/fix-supply-levels-for-enumerated-prtmarkersupplieslevel.patch,
debian/patches/fix-status-reports-when-supply-levels-grow.patch,
debian/patches/add-status-reports-for-full-waste-trays-and-cleaner-unit-eol.patch,
debian/patches/match-marker-colorants-which-use-non-standard-string.patch,
debian/patches/truncate-marker-supply-names-at-comma.patch: Removed supply
level report fixes. This got solved differently upstream.
*
debian/patches/do-not-suppress-inputslot-setting-with-empty-ap-d-inputslot.patch:
Removed, problem solved differently upstream.
* debian/patches/cups-avahi.patch: Manually regenerated to adapt to upstream
changes.
* debian/patches/ppd-poll-with-client-conf.patch,
debian/patches/colord-support.patch,
debian/patches/airprint-support.patch,
debian/patches/no-conffile-timestamp.patch,
debian/patches/drop_unnecessary_dependencies.patch,
debian/patches/read-embedded-options-from-incoming-postscript-and-add-to-ipp-attrs.patch,
debian/patches/show-compile-command-lines.patch: Refreshed using quilt.
* debian/patches/usb-backend-busy-loop-fix.patch: Correct loops to repeat
claiming interfaces on USB devices when they are busy. Before, hitting busy
state made the device opening function error out without comment
(LP: #987485).
* debian/patches/usb-backend-detach-usblp-earlier-crash-guards.patch: Protect
against crashes by checking error codes of libusb functions (LP: #997040)
and detach usblp kernel module in an earlier stage when opening a device
(LP: #987485, LP: #997040).
* debian/patches/usb-backend-initialize-usblp-attached-state.patch: Initialize
usblp_attached field in printer data structure to assure that detaching
and re-attaching the usblp kernel module is always done correctly
(LP: #902535, LP: #959676, LP: #960666, LP: #987485,
LP: #995111, LP: #997040, LP: #1000253, LP: #1001028).
* debian/patches/install-sh-remove-bashism.patch: Removed bashism.
* debian/local/blacklist-cups-usblp.conf, debian/cups.postinst,
debian/cups.install: Blacklist the usblp kernel module again. We have
now a full-featured USB backend based on the maintained libusb 1.0.x
and so we can acess printers always through the raw USB devices making
the module deprecated. Detaching the kernel module for each access causes
a lot of problems: LP: #902535, LP: #959676, LP: #960666, LP: #987485,
LP: #995111, LP: #997040, LP: #1000253, LP: #1001028.
[ Martin Pitt ]
* debian/cups.{preinst,postinst,postrm}: Drop the removal of obsolete
/etc/modprobe.d/blacklist-cups-usblp.conf conffile, as this file is
reintroduced now.
-- Till Kamppeter till.kamppe...@gmail.com Wed, 23 May 2012 15:28:01 +0200
** Changed in: cups (Ubuntu Precise)
Status: Fix Committed = Fix Released
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https://bugs.launchpad.net/bugs/997040
Title:
usb printer backend crashes
To manage notifications about this bug go to:
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[Bug 997040] Re: usb printer backend crashes
No crashes with CUPS from -proposed. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Aurimas, thank you for testing. Marking bug as verified. ** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Aurimas, can you please install the CUPS packages from -proposed (deactivate my PPA) and check whether with these packages the USB backend does not crash? We need to know this for making the CUPS packages in -proposed and official update. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Hello Aurimas, or anyone else affected, Accepted cups into precise-proposed. The package will build now and be available in a few hours. Please test and give feedback here. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you in advance! ** Tags added: verification-needed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
** Branch linked: lp:ubuntu/precise-proposed/cups -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Updated to cups 1.5.2-9ubuntu1.1~ppa3. Still the same problem - the printer stops responding after 1-3 successfully printed jobs. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
This bug was fixed in the package cups - 1.5.3-1
---
cups (1.5.3-1) unstable; urgency=low
[ Till Kamppeter ]
* New upstream release
- Numerous fixes on IPP (LP: #945028, LP: #973270, LP: #990734,
LP: #992468, LP: #992982, LP: #1000172, LP: #1000758)
- USB backend based on the maintained libusb 1.0.x with support for
bi-directional communication
- Fixes on SNMP-based supply level reporting
- PostScript prtinter auto-configuration reliable now
- Several fixes on PostScript, SSL, authenticated printing, and
networking issues
* debian/patches/ipp-fixes-1.5.3.patch,
debian/patches/fix-empty-translations.patch,
debian/patches/ppd-cache-fix-crash.patch,
debian/patches/commandtops-make-robust-against-broken-postscript.patch,
debian/patches/cups-polld-reconnect.patch,
debian/patches/usb-backend-libusb-1.0.patch,
debian/patches/usb-backend-backchannel-support.patch: Removed patches which
got included upstream.
* debian/patches/fix-supply-level-computation-for-percent-supply-unit.patch,
debian/patches/fix-supply-levels-for-enumerated-prtmarkersupplieslevel.patch,
debian/patches/fix-status-reports-when-supply-levels-grow.patch,
debian/patches/add-status-reports-for-full-waste-trays-and-cleaner-unit-eol.patch,
debian/patches/match-marker-colorants-which-use-non-standard-string.patch,
debian/patches/truncate-marker-supply-names-at-comma.patch: Removed supply
level report fixes. This got solved differently upstream.
*
debian/patches/do-not-suppress-inputslot-setting-with-empty-ap-d-inputslot.patch:
Removed, problem solved differently upstream.
* debian/patches/cups-avahi.patch: Manually regenerated to adapt to upstream
changes.
* debian/patches/ppd-poll-with-client-conf.patch,
debian/patches/colord-support.patch,
debian/patches/airprint-support.patch,
debian/patches/no-conffile-timestamp.patch,
debian/patches/drop_unnecessary_dependencies.patch,
debian/patches/read-embedded-options-from-incoming-postscript-and-add-to-ipp-attrs.patch,
debian/patches/show-compile-command-lines.patch: Refreshed using quilt.
* debian/patches/usb-backend-busy-loop-fix.patch: Correct loops to repeat
claiming interfaces on USB devices when they are busy. Before, hitting busy
state made the device opening function error out without comment
(LP: #987485).
* debian/patches/usb-backend-detach-usblp-earlier-crash-guards.patch: Protect
against crashes by checking error codes of libusb functions (LP: #997040)
and detach usblp kernel module in an earlier stage when opening a device
(LP: #987485, LP: #997040).
* debian/patches/usb-backend-initialize-usblp-attached-state.patch: Initialize
usblp_attached field in printer data structure to assure that detaching
and re-attaching the usblp kernel module is always done correctly
(LP: #902535, LP: #959676, LP: #960666, LP: #987485,
LP: #995111, LP: #997040, LP: #1000253, LP: #1001028).
* debian/patches/install-sh-remove-bashism.patch: Removed bashism.
* debian/local/blacklist-cups-usblp.conf, debian/cups.postinst,
debian/cups.install: Blacklist the usblp kernel module again. We have
now a full-featured USB backend based on the maintained libusb 1.0.x
and so we can acess printers always through the raw USB devices making
the module deprecated. Detaching the kernel module for each access causes
a lot of problems: LP: #902535, LP: #959676, LP: #960666, LP: #987485,
LP: #995111, LP: #997040, LP: #1000253, LP: #1001028.
* debian/watch: Fixed URL.
[ Bastian Blank ]
* debian/control: Support multi-arch: Mark cups, cups-client, cups-bsd,
cups-common and cups-ppdc as foreign. (Closes: #672879)
[ Martin Pitt ]
* debian/cups.{preinst,postinst,postrm}: Drop the removal of obsolete
/etc/modprobe.d/blacklist-cups-usblp.conf conffile, as this file is
reintroduced now.
cups (1.5.2-11) unstable; urgency=low
* Add tests-slow-lpstat.patch: Wait a bit for the scheduler to catch up in
the lpstat test. Fixes failures on slow architectures like armel. Thanks
to Steve McIntyre! (Closes: #670878)
cups (1.5.2-10) unstable; urgency=low
[ Martin Pitt ]
* debian/control: Drop libtiff5-dev, just use libtiff-dev. (Closes: #665646)
* debian/rules: Enable all hardening flags. Thanks Simon Ruderich!
(Closes: #662821)
[ Steve Langasek ]
* debian/local/cups.upstart: Don't wait on udevtrigger before starting cups;
the only reason this is here is to let '/lib/udev/udev-configure-printer
enumerate' work, but if cups does start before we've cold-plugged
everything, the udev rule will call '/lib/udev/udev-configure-printer add'
for each device it discovers anyway, so this is redundant.
-- Martin Pitt martin.p...@ubuntu.com Wed, 23 May 2012 14:31:36 +0200
** Changed in: cups (Ubuntu)
Status: Confirmed = Fix Released
--
You received this
[Bug 997040] Re: usb printer backend crashes
New CUPS package with the following (and some addtional) fixes uploaded to precise-proposed (proposed updates for 12.04 (Precise)): - Crash and busy loop fixes on the USB backend - usblp kernel module blacklisted again as it also causes problems with the new USB backend - Lots of fixes on the IPP backend and also on the IPP server part in the CUPS daemon - Other networking issues These fixes should address most of the bugs reported shortly after the release of Precise, especially the problems with USB printing and network printing. As soon as the package is approved and made available for testing and additional comment with installation instructions will get posted here. Please test the new package then and report here whether this solves your problems. We will decide on the results whether the package will be made an official update for Precise. Please remove/cancel all jobs and turn off and turn on your printer before testing. debdiff attached. ** Also affects: cups (Ubuntu Precise) Importance: Undecided Status: New ** Changed in: cups (Ubuntu Precise) Status: New = Fix Committed ** Changed in: cups (Ubuntu Precise) Importance: Undecided = High ** Changed in: cups (Ubuntu) Importance: Undecided = High ** Changed in: cups (Ubuntu Precise) Milestone: None = precise-updates ** Patch added: cups_1.5.2-9ubuntu1_1.5.3-0ubuntu1.debdiff https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3159570/+files/cups_1.5.2-9ubuntu1_1.5.3-0ubuntu1.debdiff -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
This package is not installed too: dpkg: warning: there's no installed package matching printer-driver-foo2zjs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Can you update your system to get cups 1.5.2-9ubuntu1.1~ppa3 from my PPA? Please make sure that the usblp kernel module is not blacklisted and turn off and turn on your printer. Now test whether your remaining problems go away. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Sorry, the foo2zjs package got renamed. Do sudo dpkg -P --force-depends printer-driver-foo2zjs Remove all jobs, turn off and turn on the printer again and try whether this helps. Restore your system with sudo apt-get install -f -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Now please try uninstalling system-config-printer-udev by entering the following command in a terminal window: sudo dpkg -P --force-depends system-config-printer-udev Then remove all jobs with cancel -a remove also the blacklisting and turn off and turn on your printer. Now try to print. Does it work normally now? Can you print an arbitrary number of jobs? If this still does not help, try uninstalling foo2zjs: sudo dpkg -P --force-depends foo2zjs Remove all jobs, turn off and turn on the printer again and try whether this helps. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Both packages are not present: dpkg: warning: there's no installed package matching system-config-printer-udev dpkg: warning: there's no installed package matching foo2zjs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Updated CUPS does not crash anymore. However, the printer still stops responding after random number of successfully printed pages. Blacklisting usblp still works. ** Attachment added: dmesg https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3150178/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Please add my PPA to your system as described on https://launchpad.net/~till-kamppeter/+archive/ppa and update your system. This should give you an update of the CUPS packages (version 1.5.2-9ubuntu1.1~ppa2). Please cancel all jobs and turn off and turn on your printer again. Then try whether your problem gets solved. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: cups (Ubuntu) Status: New = Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
.crash file form this crash ** Attachment added: _usr_lib_cups_backend_usb.0.crash https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+attachment/3138225/+files/_usr_lib_cups_backend_usb.0.crash -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
[Bug 997040] Re: usb printer backend crashes
One more thing: if I blacklist usblp, then the printer works as expected. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/997040 Title: usb printer backend crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/997040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
