(In reply to David von Oheimb from comment #44) > ... > Just set the IMAP Server Name of some account to an unreachable IP address > like 1.2.3.4 and try getting emails from there. > > This bug is apparently very low-level in the Mozilla network layer and has a > number of related bug reports touched again recently also for FF.
Correct, Firefox gets the same issue. Perhaps a different bug, if the progress meter doesn't spin or your profile is different from the one Merike collected (In reply to Philip Chee from comment #41) > WAG: Just a guess. Go to about:config and set the following preferences: > layers.acceleration.disabled -> true [HWA disabled] > layers.offmainthreadcomposition.enabled -> false Note, we've seen a variety of behavior with HWA disabled or enabled. For example, in bug 1267662 HWA disabled improved performance on a Mac -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to thunderbird in Ubuntu. https://bugs.launchpad.net/bugs/109943 Title: Thunderbird: high CPU usage from progress bars Status in Mozilla Thunderbird: Confirmed Status in thunderbird package in Ubuntu: Confirmed Bug description: Binary package hint: mozilla-thunderbird When sending a simple and short email with Thunderbird via SMTP the CPU is used intensively. This seems not to be necessary. If the sending failed and an corresponding error message dialog appears, the CPU is still being used. When pressing ok to close the error dialog the CPU is fine. This suggests it might be related specifically to the progress bar. Such behavior is especially annoying on a laptop where you can hear the CPU usage because of a starting fan. To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/109943/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
