Date: Tue, 6 Mar 2007 05:34:26 +1100 From: Peter Jeremy <peterjeremy@optushome.com.au> To: "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: fork wedging (I think) Message-ID: <20070305183426.GD853@turion.vk2pj.dyndns.org> In-Reply-To: <200703051136.42494.doconnor@gsoft.com.au> References: <200703011149.02601.doconnor@gsoft.com.au> <20070301064442.GG837@turion.vk2pj.dyndns.org> <200703011735.37614.doconnor@gsoft.com.au> <200703051136.42494.doconnor@gsoft.com.au>
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--jq0ap7NbKX2Kqbes Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2007-Mar-05 11:36:41 +1030, Daniel O'Connor <doconnor@gsoft.com.au> wrot= e: >I was incrementally dumping sysctl trees and when I got to vm it hung.. > >eureka:~>sysctl vm >load: 0.07 cmd: sysctl 72864 [user map] 0.00u 0.00s 0% 852k >load: 0.07 cmd: sysctl 72864 [user map] 0.00u 0.00s 0% 852k >load: 0.07 cmd: sysctl 72864 [user map] 0.00u 0.00s 0% 852k >load: 0.05 cmd: sysctl 72864 [user map] 0.00u 0.00s 0% 852k > >I tried to reboot in another window but.. >eureka:~>reboot >load: 0.06 cmd: csh 71159 [allproc] 0.03u 0.00s 0% 4652k The fact that reboot eventually came back shows that the system is not deadlocked. "user map" and "allproc" refer to the wait channel names. "user map" is not very helpful to me (it's the lock associated with a class of vm maps and tracking where it's waited on is not easy). "allproc" refers to allproc_lock. The output from "vmstat -i" would be interesting, though it may not respond... How difficult would it be to build a test system somewhere where the console was accessible? I don't think you are going to make progress without console access. --=20 Peter Jeremy --jq0ap7NbKX2Kqbes Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFF7GKy/opHv/APuIcRAtmSAJ0bJ6Fd6OJWgWdAK0AADjHKJqZNfACfVni4 DO3EZwt9RFxtgAzB9AAmNAU= =hBCj -----END PGP SIGNATURE----- --jq0ap7NbKX2Kqbes--
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