On 06/24/2017 09:48 AM, Ralph Katz wrote: ... > At your suggestion, I'm re-doing my firefox setup, re-install, fresh > profile, eliminate extensions, etc. Report to follow. Update report (quoting original thread post): > Since upgrading my old Acer laptop from jessie to stretch this week, I > have several unresolved issues. Any help would be appreciated. > > 1) Sometimes unresponsive. In up-to-date jessie, I could have two > instances of firefox-esr open with multiple tabs and get reasonable > response. In stretch, sometimes performance is completely normal, but > at random intervals, the desktop becomes unresponsive as disk activity > takes over. Top shows firefox very active and ps shows a number of > kworker processes recently started. But closing one browser and > reducing open tabs does not seem to matter. How can I identify the > offending processes? No hints appear in log files using the Linux 3.16 > kernel. Firefox fix: Went back to Linux 4.09 kernel. Moved ~/.mozilla/ out of the way, removed all firefox non-debian extensions (ghostery, noscript, adblock), reinstalled firefox-esr and flashplayer-mozilla, installed xul-ext-noscript and xul-ext-ublock-origin, manually reset preferences, imported old bookmarks, history, passwords, noscript whitelist, etc. Load average in top has gone from an unusable 2,3,5 even 7 to under .50. > 2) Returning from xscreensaver screen blanking sometimes shows the > lightdm log in screen. Ctrl-alt-F7 once or twice can get my session > back after an annoying pause. This never happened on jessie. This problem got worse, so rebooted into Linux 4.09 kernel to work it out and maintain a supportable security os. I've uploaded logs as follows: kernel errors on boot, *ERROR* [CRTC:29:pipe B] flip_done timed out: syslog: http://paste.debian.net/973246/ Xorg.0.log: http://paste.debian.net/973247/ lightdm.log: http://paste.debian.net/973248/ > 3) The sound volume up/down function keys [Fn up/down arrow] no longer > respond (xfce4). However the screen brightness keys function normally > [Fn left/right arrow]. The mute sound function key is also ignored [Fn > F8]. I can control volume with the mouse using pavucontrol or > gkrellm-volume. No progress. Thanks again for any help. Ralph
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