Re: Updated dynamic pty patch available
From: William Lee Irwin III
Date: Thu Feb 12 2004 - 05:50:53 EST
On Wed, Feb 11, 2004 at 10:00:46PM -0800, H. Peter Anvin wrote:
> This version of the patch makes *both* legacy and Unix98 ptys configure
> options (Unix98 only if EMBEDDED), and the number of legacy ptys is a
> configuration option -- useful if you want to reduce the memory
> footprint, or if you really wants lots of these guys (256 is no longer a
> hard limit.)
> Additionally, I have added a sysctl option -- /proc/sys/kernel/pty/max
> -- for limiting the number of Unix98 ptys. It was way too effective a
> DoS to eat up all kernel memory by opening /dev/ptmx repeatedly. The
> default is 4096, but it can be adjusted all the way up to 2^20 if desirable.
Comes up and boots just fine here on my target boxen. I'm glad to have it.
Bootlog from one of them attached.
I can send in console/etc. logs from both host and target of stress test
runs, if provided stress tests.
-- wli
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