Roberto Nibali <[EMAIL PROTECTED]> writes:
> if I run those commands on a DRDB mounted partition, I get a
> EX_IOERR for normal tail and this assertion failed for a tail -f
> plus an EX_IOERR.
Thanks for reporting the problem. Part of the problem is that your
DRDB mounted partition is returning I/O errors on large files for some
reason. This is not a bug in "tail"; it is a bug or other problem
with your file system. You can investigate this further by using
"strace tail -f file" and looking at the system calls it executes.
But the other problem is a bug in "tail": it should not report
an assertion failure, even if there is an I/O error when reading
its input data. I installed this patch to CVS coreutils:
2004-12-03 Paul Eggert <[EMAIL PROTECTED]>
* src/tail.c (tail_file): Set errnum to -1 if the initial "tail"
failed. This works around an assertion failure reported by
Roberto Nibali in:
http://lists.gnu.org/archive/html/bug-coreutils/2004-12/msg00012.html
--- src/tail.c 28 Sep 2004 06:34:22 -0000 1.230
+++ src/tail.c 4 Dec 2004 07:02:35 -0000 1.231
@@ -1317,7 +1317,7 @@ tail_file (struct File_spec *f, uintmax_
call made the window big enough to exercise the problem. */
sleep (1);
#endif
- f->errnum = 0;
+ f->errnum = ok - 1;
if (fstat (fd, &stats) < 0)
{
ok = false;
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