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Re: Setup hangs in postinstall
- From: Antoine Labour <antoine dot labour at m4x dot org>
- To: Michael Robbert <mrobbert at Mines dot EDU>
- Cc: cygwin at cygwin dot com
- Date: Tue, 09 Dec 2003 11:27:41 -0800
- Subject: Re: Setup hangs in postinstall
- References: <3FD617A6.firstname.lastname@example.org>
Michael Robbert wrote:
I'm sorry, I don't have a copy of XP to try this with, but it wouldJohn,
appear to be a bug in uname (since it gives no output from the
Does it uname hang or just return empty? Is there any error codes? Try:
/bin/uname -a ; echo $?
Also, could you *attach* (uncompressed) the output of:
/bin/cygcheck -svr > cygcheck.out
the uname command by itself does not hang or return empty, it is only in
the process of assigning the output of the command(any command) to a
variable that it hangs.
Here is the output of your example:
bash-2.05b$ /bin/uname -s; echo $?
I have attached the file cygcheck.out which contains the out from the
command "cygcheck -svr"
I don't think that your problem is exactly the same as mine either. You
problem, from what I gather in your post, only happens in a loop and
possibly on a dual CPU(SMP) machine. I am getting this on a single
command on a laptop(not SMP).
If anybody wants to point to bash as the problem, let me also point out
that I have been able to replicate the problem in zsh, csh, and sh.
Actually, I still do believe it's the same problem. In some other mails
I specified it happens also on single CPU machines. I think other people
have been able to reproduce it as well. The fact I expose it in a loop
is because the hang is random. It also sometimes happen in a non-loop
environment. I suspect a nasty race condition which depends heavily on
the system scheduling, so in your case the same problem might happen
In any case, I tried my small test case with zsh too, same result : hang
after a few iterations.
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