Date: Mon, 9 Feb 2004 15:30:21 +0100 From: Jilles Tjoelker <jilles@stack.nl> To: Kris Kennaway <kris@obsecurity.org> Cc: current@FreeBSD.org Subject: Re: Reproducible "calcru: negative time ..." on SMP system Message-ID: <20040209143021.GA29961@stack.nl> In-Reply-To: <20040209023821.GA30092@xor.obsecurity.org> References: <20040209023821.GA30092@xor.obsecurity.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Feb 08, 2004 at 06:38:21PM -0800, Kris Kennaway wrote: > I discovered that on a 5.2-BETA SMP system I can cause > Feb 8 18:29:32 <kern.crit> bento kernel: calcru: negative time of 6816 usec for pid 50286 (grep) > Feb 8 18:29:41 <kern.crit> bento kernel: calcru: negative time of 7308 usec for pid 51007 (grep) > Feb 8 18:30:41 <kern.crit> bento kernel: calcru: negative time of 6104 usec for pid 54944 (grep) > Feb 8 18:30:42 <kern.crit> bento kernel: calcru: negative time of 5933 usec for pid 54962 (grep) > by running a shell script that does lots of greps, and leaning on the > ^T key in the shell to send the process lots of SIGINFOs. This may be the same as kern/52490: ^T'ing a zombie causes calcru() to be called on a zombie which prints the negative time message. -- Jilles Tjoelker
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040209143021.GA29961>