Date: Sat, 23 Dec 2000 00:12:23 -0800 From: "Crist J. Clark" <cjclark@reflexnet.net> To: Mikhail Teterin <mi@aldan.algebra.com> Cc: Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca>, stable@FreeBSD.ORG Subject: Re: an unkillable process (again) Message-ID: <20001223001223.M96105@149.211.6.64.reflexcom.com> In-Reply-To: <200012221757.eBMHvDB21729@aldan.algebra.com>; from mi@aldan.algebra.com on Fri, Dec 22, 2000 at 12:57:13PM -0500 References: <200012220202.eBM22oc75560@cwsys.cwsent.com> <200012221757.eBMHvDB21729@aldan.algebra.com>
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On Fri, Dec 22, 2000 at 12:57:13PM -0500, Mikhail Teterin wrote: > Cy Schubert - ITSD Open Systems Group once stated: > > =In message <200012202226.eBKMQf100632@misha.privatelabs.com>, Mikhail > =Teterin writes: > => Here it is: > => > => 425 mi -18 0 45308K 144K swwrt 4:25 0.10% 0.10% communicator > => -l > => > => For some bizarre reasons of its own, Netscape went into swap-writing > => binge. Why did it make it immune to ``kill -9''? > = > =Then it appears that swwrt has a higher priority than kill has, which > =it should have. > > Rather confusing... kill -9 does not deliver any signals to the process. > It is there to kill. Shouldn't it have the higher priority? It is not a "priority" issue. The process is in the midst of an operation that cannot be interupted. For some reason, that operation is hanging up. I believe 'swwrt' is writing to swap? I/O calls are the most frequent uninteruptable calls that get hung. > Also, anything that prevents root from killing a process is not right, > IMHO. It is usually indicative of a deeper problem. > This leaves "reboot" as the only option left, which WILL kill > everybody anyway, resulting in all possible data losses, etc. that the > "unkillability" tries to prevent. Not sure if leaving it is doing much harm. Why reboot? And is there a problem with your HDD or swap? -- Crist J. Clark cjclark@alum.mit.edu To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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