This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1512815 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1512815 Title: read() from pty doesn't finish. Status in linux package in Ubuntu: Incomplete Bug description: It has been brought to my attention By the attached test program pty, a pair of process repeats writing and reading only '\n' to a master pseudoterminal device (/dev/ptmx) and a slave pseudoterminal device (/dev/pts/N) each. When we carry out the following 30 pairs 10,000 times, in a pair each process doesn't finish reading. $ pty 30 The following message will be usually indicated immediately. #name copy num/sec usec/num pty_switch 30 1541842 0.648575 When a message wasn't indicated any more, we got the attached dump file. A kernel was 3.13.0-45.74. A system was Ubuntu 14.04 LTS. The same problem occurred in case of 3.13.0-55.92 kernel and the following kernel have been tested as well: 2.6.32, 3.10: not reproduces. 3.19, 4.0.0, 4.1.3: reproduces. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1512815/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp