> darcs --exact-version
darcs compiled on Feb 28 2006, at 22:08:07
# configured Tue Feb 28 21:55:13 USMST 2006
./configure --disable-mmap

Context:

[bump version to 1.0.7pre1
Tommy Pettersson <ptp@lysator.liu.se>**20060301000323]

[show 1.0.6 as latest stable source on web page
Tommy Pettersson <ptp@lysator.liu.se>**20060301000158
 Forgot this, again :-/
]

[TAG 1.0.6
Tommy Pettersson <ptp@lysator.liu.se>**20060228111841]

> darcs record
hunk ./README.txt 3
-123[_^M_][_$_]
+1234[_^M_][_$_]
Shall I record this patch? (1/?) [ynWsfqadjkc], or ? for help:          [hit y]
[hit ENTER]
darcs: <stdin>: hSetBuffering: invalid argument (Bad file descriptor)
 
 
> darcs record
hunk ./README.txt 3
-123[_^M_][_$_]
+1234[_^M_][_$_]
Shall I record this patch? (1/?) [ynWsfqadjkc], or ? for help:          [hit c]
hunk ./README.txt 3
-123[_^M_][_$_]
+1234[_^M_][_$_]
Shall I record this patch? (1/1) [ynWsfqadjk], or ? for help:           [hit y]
What is the patch name? test
Do you want to add a long comment? [yn]
Finished recording patch 'test'

c.f. http://bugs.darcs.net/issue41

Please see the patch in issue41.

For info, this is the patch in question (darcs 1.0.9):

Fri Nov 17 23:14:24 CET 2006  Tommy Pettersson <ptp@lysator.liu.se>
  * ignore failure from hSetBuffering

Marking as resolved; please re-open if you object.

I tested this and the bug is fixed!  Thanks!