Date: Sun, 10 Dec 2017 20:02:16 -0600 From: Adam Vande More <amvandemore@gmail.com> To: Gary Aitken <garya@nightmare.dreamchaser.org> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Subject: Thunderbird causing system crash, need guidance Message-ID: <CA%2BtpaK0sG31TckxL8orNmAD0ZXSz7rJzEotjsCEtASw9u2COZg@mail.gmail.com> In-Reply-To: <201712110045.vBB0jCTQ078476@nightmare.dreamchaser.org> References: <201712110045.vBB0jCTQ078476@nightmare.dreamchaser.org>
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On Sun, Dec 10, 2017 at 6:45 PM, Gary Aitken < garya@nightmare.dreamchaser.org> wrote: > Hi all, > > Looking for guidance diagnosing a system crash caused by > attempting to start Thunderbird. > > 10.3-RELEASE-p20 FreeBSD 10.3-RELEASE-p20 #0: Wed Jul 12 03:13:07 > UTC 2017 root@amd64-builder.daemonology.net:/usr/obj/usr > /src/sys/GENERIC amd64 > > After running flawlessly for over a month, I started having > sluggish behavior. Since this is a known problem with firefox > 56, I exited and restarted it several times over the course of a > few days. Then yesterday (2017-12-08) the system hung and > crashed. > > I have narrowed the cause down to Thunderbird 52.4.0, or at least > something associated with it. > > The system + X seem to still run fine; openoffice, firefox, gimp. > When I attempt to start t-bird the cursor disappears almost > immediately, followed by a long wait with the display apparently > frozen, and then results in a crash and reboot. > > It seems t-bird should crash/dump core without crashing the > system if it was just a t-bird problem, even if it's a bad binary > image? > > I originally had crash dumps disabled, so changed > dumpdev="NO" to "AUTO" in rc.conf > but still no dump in /var/crash > only thing in /var/crash is minfree, which says "2048" > At reboot, I see the message > "No suitable dump device was found" > so presumably that is the cause of the missing dump. > It may be my sys config, as /tmp and swap are memdisks. > The disk has no swap or tmp partition; I'm not sure how or if I > can modify fstab or the config to get swap on disk for a dump. > From fstab: > /dev/ufs/hd250G1root / ufs rw,noatime 1 1 > /dev/ufs/hd250G1var /var ufs rw,noatime 2 2 > /dev/ufs/hd250G1usr /usr ufs rw,noatime 7 3 > tmpfs /tmp tmpfs rw,mode=01777 0 0 > md99 none swap sw,file=/usr/swap/swap,late 0 > 0 > /var is 16G > > It seems like it may be corrupted disk data, but I'm wondering if > there's a good way to diagnose that. > fsck(8) Your swap configuration is also mostly likely silly. If you need more performance, that's not the way to do it. -- Adam
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