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system limits [Re: Workaround for Firefox crashiness]
On Wed, Jan 30, 2008 at 12:31:58PM -0500, Jared D. McNeill wrote:
> If anybody has been annoyed like I have been about Firefox crashing
> frequently with many tabs/windows open, I've found a workaround after
> digging through a 70MB ktrace.
> Basically, firefox runs out of file descriptors and freaks out. Maybe
> it's a side effect of having lots of fonts installing from pkgsrc, I'm
> not sure. In any case, bumping openfiles before launching firefox has
> made the problem disappear for me.
> $ ulimit -n 512
> $ firefox
> or login.conf:
> Has made things work much smoother for me.
Nice catch. We inherited the default per-user limit (64) from 386BSD. I
think we should at least double it.
FWIW, I cranked maxusers for x86 so the default system-wide file and process
limit should be ~doubled now.
Also, for about a month or two now root's max process limit has been
enforced. I'm not sure why the change was made but with a default limit of
150 many systems will break instantly if upgraded to 5.0. This should be
upped to a more reasonable default, say 500?
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