Date: Thu, 29 May 2003 22:34:59 -0500 From: Glenn Johnson <glennpj@charter.net> To: Julian Elischer <julian@elischer.org> Cc: Dan Nelson <dnelson@allantgroup.com> Subject: Re: Libthr stable enough for testing Message-ID: <20030530033458.GA31394@gforce.johnson.home> In-Reply-To: <Pine.BSF.4.21.0305291730571.47588-100000@InterJet.elischer.org> References: <20030529230020.GA24085@gforce.johnson.home> <Pine.BSF.4.21.0305291730571.47588-100000@InterJet.elischer.org>
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On Thu, May 29, 2003 at 05:31:32PM -0700, Julian Elischer wrote: > On Thu, 29 May 2003, Glenn Johnson wrote: > > > On Thu, May 29, 2003 at 03:54:22PM -0700, Julian Elischer wrote: > > > > > > > On Thu, 29 May 2003, Glenn Johnson wrote: > > > > > > > On Thu, May 29, 2003 at 02:20:02AM -0400, Mike Makonnen wrote: > > > > > > > > > On Thu, 29 May 2003 00:35:32 -0500 Dan Nelson > > > > > <dnelson@allantgroup.com> wrote: > > > > > > > > > > > > > > > > The real problem is in the kernel, though. A userland > > > > > > non-root process should not be able to hard lock the system. > > > > > > One of the threads people will probably have to get an SMP > > > > > > machine to be able to debug it. > > > > > > > > > > > > > > > Upon first reading it I had assumed he meant gnome locked > > > > > up. Can you confirm this Glenn? Is the machine itself locked > > > > > solid (no ping, no ssh, not vtys, etc)? However, even if that > > > > > is the case a bug in the kernel does not preclude a bug in > > > > > libthr. > > > > > > > > The machine locks up solid. I can not do anything with it > > > > except hit the reset button. I mentioned gnome because gnome > > > > will trigger the lock up. I would imagine I would see the same > > > > thing with kde however. > > > > > > what about kernel debugger? > > > > I do not have the debugger enabled on the SMP box. I can set that > > up but probably not until next week. Will the debugger work if the > > machine locks up? > > that depends.. when it locked up, did it still respond to pings? No, the networking was dead as well. -- Glenn Johnson glennpj@charter.net
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