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Mail Archives: cygwin/2008/03/31/21:05:15

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Message-ID: <47F19881.2080508@byu.net>
Date: Mon, 31 Mar 2008 20:05:53 -0600
From: Eric Blake <ebb9 AT byu DOT net>
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To: cygwin AT cygwin DOT com, samuel DOT popper AT baesystems DOT com
Subject: Re: postinstall hang
References: <001901c89348$cd86c8b0$06bca8c0 AT bigtower> <A28965E490DE4B4DBE938ECF7CC19C04073F4FB1 AT blums0014 DOT na DOT baesystems DOT com>
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According to Popper, Samuel (US SSA) on 3/31/2008 2:48 PM:
|> I've tried to install cygwin now about 7 or 8 times but the
| postinstall
|> always hangs somewhere, in different scripts at different places.

Sounds like the classic symptoms of http://cygwin.com/acronyms/#BLODA

|
| I am still having this problem (as evidenced by previous messages).
| I've come up with a bash script "test case" that demonstrates the
| problem:
|
| $ NUM=1; while true ; do echo $NUM; NUM=$(( $NUM + 1 )); done
|
| will run indefinitely,

because it doesn't fork

|
| $ NUM=1; while true ; do echo `echo $NUM` ; NUM=$(( $NUM + 1 )); done
|
| Hangs pretty quickly,

because it forks a huge number of processes, and each fork is likely to be
tripped up by a BLODA

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9 AT byu DOT net
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