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Re: [PATCH] Increase "Safety factor" when ARG_MAX is less than 40KB.

From: Peter O'Gorman
Subject: Re: [PATCH] Increase "Safety factor" when ARG_MAX is less than 40KB.
Date: Tue, 02 Sep 2008 13:00:31 -0500
User-agent: Thunderbird (X11/20080501)

Ralf Wildenhues wrote:

>> Anyway, what formula do you think reasonable?
> For starters, how large is the environment and how large is the driver
> overhead, in the case where you're hitting the wall?

It hit the error with ARG_MAX at 20K, max_cmd_len at 15K, and
confusingly, it hit it doing the ld -r (so no driver overhead). The same
ld -r command worked fine outside of libtool, but failed consistently
when libtool attempted it. I did not think to look at the environment,
and we have since rebuilt the kernel with large_ncargs_enabled (so new
ARG_MAX is 200K), so can not reproduce.

Not helpful, I know.

Peter O'Gorman

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