Date: Thu, 15 May 2014 14:39:50 -0600 From: Alan Somers <asomers@freebsd.org> To: Michael Jung <mikej@mikej.com> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org>, owner-freebsd-current@freebsd.org Subject: Re: Gallium debugging and crash dumps Message-ID: <CAOtMX2jmxo24zUxOLLcnxsTxjj0F9Bx6ejx5_zOjKXWMVA-yDA@mail.gmail.com> In-Reply-To: <b1eb1ecd7b976efd0d073697a368b9f6@mail.mikej.com> References: <ad725ea72025b1b7cccc9c0bc686c67d@mail.mikej.com> <b1eb1ecd7b976efd0d073697a368b9f6@mail.mikej.com>
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On Thu, May 15, 2014 at 2:33 PM, Michael Jung <mikej@mikej.com> wrote: > On , Michael Jung wrote: >> >> Hi: >> >> If there is a better list to post this to please let me know. >> >> I've started playing with VT and gallium. I boot on ZFS but have a UFS >> drive >> and swap partition. Anyone with idea's why I'm not getting any crash >> info? >> >> I am guessing it is because the machine is not rebooting but locks up hard >> so >> is there any extra debugging that can be turned on? >> >> On the surface Gallium seems to be the root of the problem. >> >> Here is my dump/swap config: >> >> FreeBSD charon 10.0-STABLE FreeBSD 10.0-STABLE #0 r265914M: Wed May 14 >> 15:44:17 EDT 2014 mikej@charon:/usr/obj/usr/src/sys/VT amd64 >> >> root@charon:/usr/home/mikej # swapinfo >> Device 1K-blocks Used Avail Capacity >> /dev/ada2s1a 16777216 0 16777216 0% >> root@charon:/usr/home/mikej # >> >> root@charon:/usr/home/mikej # dumpon -l >> ada2s1a >> root@charon:/usr/home/mikej # >> >> root@charon:/usr/home/mikej # grep dump /etc/rc.conf >> dumpdev="AUTO" # Device to crashdump to (device name, AUTO, or >> NO). >> dumpdir="/data/crash" # Directory where crash dumps are to be stored >> root@charon:/usr/home/mikej # >> >> root@charon:/usr/home/mikej # ls -lad /data/crash/ >> drwxr-xr-x 2 root wheel 512 Apr 20 13:15 /data/crash/ >> root@charon:/usr/home/mikej # >> >> http://216.26.158.189/Xorg.0.log >> >> --mikej >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > > > > OK another crash today and the machine did reboot but still nothing in > /data/crash > > > [mikej@charon ~]$ gpart list ada2 > Geom name: ada2 > modified: false > state: OK > fwheads: 16 > fwsectors: 63 > last: 3907029167 > first: 63 > entries: 4 > scheme: MBR > Providers: > 1. Name: ada2s1 > Mediasize: 2000398901760 (1.8T) > Sectorsize: 512 > Stripesize: 0 > Stripeoffset: 32256 > Mode: r2w2e3 > rawtype: 165 > length: 2000398901760 > offset: 32256 > type: freebsd > index: 1 > end: 3907029167 > start: 63 > Consumers: > 1. Name: ada2 > Mediasize: 2000398934016 (1.8T) > Sectorsize: 512 > Mode: r2w2e5 > > [mikej@charon ~]$ ls /dev/ada2 > ada2 ada2s1 ada2s1a ada2s1b > [mikej@charon ~]$ ls /dev/ada2 > > I simply must just not understand something that is fundamental here. > > If I get this right swap is a slice ada2s1b, not a partition which > should be fine for core dumps right? On reboot dumps to swap are not > being wrote to /data/dump! > > If UFS is dirty and auto-fsck runs - is this an issue? > > I obviously don't get something. Please someone enlighten me ;-) Try doing "sysctl debug.kdb.panic=1". That will forcibly panic your system. If you still don't get a crashdump, then it's not Gallium's fault. Also, check that /data/crash is mounted before savecore runs. -Alan > > Regards, > > --mikej > Michael Jung > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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