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stderr outputs veerrrryyy slowly
- From: Brian Dessent <brian at dessent dot net>
- To: Cygwin Users Mailing List <cygwin at cygwin dot com>
- Date: Wed, 18 Jun 2003 09:56:40 -0700
- Subject: stderr outputs veerrrryyy slowly
- Organization: My own little world...
Hi, I've been using cygwin for a while now and most of the time I've
been able to figure out what's going on by RTFMing or searching, but
this one I can't seem to figure out.
Under certain circumstances, messages from programs that are sent to
stderr are displayed on the console very slowly. It looks like an
emulation of a 1200 baud modem, no joke.
It does not happen all the time, for example "ls -l 1>&2" works fine at
normal speed. It only seems to happen when the program writes an error
message to stderr and the normal stdout is redirected to a file, or
something along those lines.
Two programs that always do it are curl and tidy. For example, if I run
"curl http://127.5.5.5" (some bogus IP addr) the error message "curl:
(7) Connect failed" gets printed in 1200 baud modem speed. Or, if I run
"curl -o /dev/null http://www.google.com" then curl's little progress
indicator display gets printed very slowly. If I run "tidy -o somefile
somefile.html" then tidy's messages (info, warning, error, etc) are
printed very slowly.
I've tried all sorts of perl one-liners to try and duplicate this, but I
just can't manufacture a setting where it does it. Above cases are
about the only reproducable ones I can come up with, but I know there
are others. I don't think it has anything to do in particular with curl
I'm running under Win2k SP3, cygwin.dll version 1.3.22-1, CYGWIN="ntea
tty ntsec" (the partition is NTFS), and a bunch of packages all of
whatever the latest stable version is according to setup.exe. I use
plain old bash as my shell, no rxvt or X Windows or anything.
I don't recall when this started happening, but it wasn't always broken
like this... maybe 3-4 months ago?
Any ideas? Do any of the above listed commands have the same result on
anyone else's system?
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