"Arno J. Klaassen" <[EMAIL PROTECTED]> wrote: > Hello, > > I get a very easy to reproduce panic on 6.1-STABLE : > > /etc/periodic/weekly/310.locate panics with > > panic: kmem_malloc(4096): kmem_map too small: 335544320 total > allocated
> This box has nothing particular, apart from maybe a large number > of stamp-file based test-databases (with a lot of zero-sized > files named .key=value). > Producing this bug is easy : > > - set tmpmfs="YES" and set tmpsize greater than around 220m > - start /etc/periodic/weekly/310.locate (and nothing else!) > - wait two-three hours and bang > > Last test is with tmpfs=1024m and I monitored df -h /tmp and > vmstat -zm every minute; when the system panics, last output is : > > Filesystem Size Used Avail Capacity Mounted on > /dev/md0 989M 219M 691M 24% /var/tmp > > vmstat -zm | fgrep md0 > md0: 512, 0, 453257, 15, 453437 > > I'm quite not an expert, but looks to me as if md0 use stays > almost 100% in kmem and is never swapped (as it is supposed to do > by default according to the man-page). The rc script has different defaults than mdmfs: [EMAIL PROTECTED] ~ $grep tmpmfs_flags /etc/defaults/rc.conf tmpmfs_flags="-S -M" # Extra mdmfs options for the mfs /tmp You probably want to ditch the "-M". Fabian -- http://www.fabiankeil.de/
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