Thunderbird 24.6.0 suddenly stops accepting keyboard input in the middle of typing a message
On a system running Debian Testing (kernel version 3.13.10-1), at times Thunderbird 24.6.0 suddenly stops accepting keyboard input in the middle of typing a message. Some times, it will not accept keyboard input from the time a new message window opens (both from click Write or Reply).
Regardless of when the problem starts, I can still copy text from another source and paste it into the message, and I can still send the message.
Sometimes, the problem will clear up itself after a few minutes, meaning I can suddenly start typing in the open message window, but sometimes not, and I will have to close the message window and restart Thunderbird or reboot the system.
All Replies (6)
Check if any other programs is causing a high CPU load when this happens.
The System Monitor showed a processor load around 30%, and a memory usage around 40%
Try 'top' in a terminal window.
Tasks: 290 total, 1 running, 242 sleeping, 47 stopped, 0 zombie %Cpu(s): 1.0 us, 0.3 sy, 0.0 ni, 98.2 id, 0.4 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem: 8101216 total, 6406932 used, 1694284 free, 46440 buffers KiB Swap: 8388604 total, 280476 used, 8108128 free. 2714812 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 9498 pete 20 0 905252 171068 60844 S 4.3 2.1 0:36.22 chrome 1207 root 20 0 301372 31896 12592 S 1.0 0.4 40:04.04 Xorg 7904 pete 20 0 796904 75304 25496 S 1.0 0.9 0:54.16 chrome 7349 pete 20 0 1215536 345724 116416 S 0.7 4.3 3:29.51 chrome 7539 pete 20 0 879076 128096 26512 S 0.7 1.6 1:51.35 chrome 7670 pete 20 0 826900 70488 23812 S 0.7 0.9 0:13.12 chrome 7793 pete 20 0 872564 135004 68628 S 0.3 1.7 0:13.74 chrome 7845 pete 20 0 811680 80360 23580 S 0.3 1.0 0:06.61 chrome 7877 pete 20 0 812032 79888 23668 S 0.3 1.0 0:08.91 chrome 9666 pete 20 0 23796 1808 1136 R 0.3 0.0 0:00.01 top
22931 pete 20 0 1094964 186504 22808 S 0.3 2.3 14:28.61 thunderbird
1 root 20 0 193016 2860 1260 S 0.0 0.0 0:03.67 systemd 2 root 20 0 0 0 0 S 0.0 0.0 0:00.02 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 0:22.21 ksoftirqd/0 5 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/0:0H 7 root 20 0 0 0 0 S 0.0 0.0 1:09.66 rcu_sched 8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh 9 root rt 0 0 0 0 S 0.0 0.0 0:00.34 migration/0 10 root rt 0 0 0 0 S 0.0 0.0 0:00.58 watchdog/0 11 root rt 0 0 0 0 S 0.0 0.0 0:00.58 watchdog/1 12 root rt 0 0 0 0 S 0.0 0.0 0:00.01 migration/1 13 root 20 0 0 0 0 S 0.0 0.0 0:13.05 ksoftirqd/1 15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/1:0H 16 root rt 0 0 0 0 S 0.0 0.0 0:00.50 watchdog/2 17 root rt 0 0 0 0 S 0.0 0.0 0:00.02 migration/2 18 root 20 0 0 0 0 S 0.0 0.0 0:04.84 ksoftirqd/2 20 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/2:0H 21 root rt 0 0 0 0 S 0.0 0.0 0:00.52 watchdog/3 22 root rt 0 0 0 0 S 0.0 0.0 0:00.03 migration/3 23 root 20 0 0 0 0 S 0.0 0.0 0:11.02 ksoftirqd/3 25 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kworker/3:0H 26 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 khelper 27 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs 28 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 netns 29 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 writeback 30 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kintegrityd 31 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 bioset 32 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kblockd 34 root 20 0 0 0 0 S 0.0 0.0 0:00.11 khungtaskd 35 root 20 0 0 0 0 S 0.0 0.0 3:41.37 kswapd0 36 root 25 5 0 0 0 S 0.0 0.0 0:00.00 ksmd 37 root 39 19 0 0 0 S 0.0 0.0 0:00.00 khugepaged 38 root 20 0 0 0 0 S 0.0 0.0 0:00.00 fsnotify_mark 39 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 crypto 44 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 kthrotld 46 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 deferwq 86 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 ata_sff 88 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_0 89 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_1 90 root 20 0 0 0 0 S 0.0 0.0 0:00.00 scsi_eh_2
Is that at the time when Thunderbird is showing the problem?
Yes - I had an open message window that was not accepting keyboard input when I ran the top command.