Messages in this thread | | | Date | Mon, 26 Jul 2004 18:04:24 +0200 | From | David Weinehall <> | Subject | Re: Interesting race condition... |
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On Sat, Jul 24, 2004 at 01:40:59PM +0000, Marc Ballarin wrote: > Rob Landley <rob <at> landley.net> writes: > > > Oh I can't reproduce it either. (Maybe if I set some kind of loop and left > > it running for a few days...) > > I could reproduce it on an otherwise idle system (2 GHz Athlon, kernel 2.6.7). > On a loaded system the bug did not occur, which certainly indicates a race > condition. > > Using the following Bash script, the bug appeared 23 times in 122,221 > iterations: > while [ 1 ];do > ps ax | grep hack >> TEST > done > > The bug *seems* to be in bash, since an equivalent script in tcsh had no > problems: > while ( 1 ) > ps ax | grep hack >> TEST2 > end > > This issue has the potential to break a lot of shell scripts in an almost > undebugable way. Should someone file a bug report via 'bashbug'?
I get this using posh as well, so it doesn't seem to be bash-specific.
Regards: David Weinehall -- /) David Weinehall <tao@acc.umu.se> /) Northern lights wander (\ // Maintainer of the v2.0 kernel // Dance across the winter sky // \) http://www.acc.umu.se/~tao/ (/ Full colour fire (/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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