Date: Sun, 23 Aug 2009 08:43:53 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Robert Watson <rwatson@freebsd.org> Cc: Kostik Belousov <kostikbel@gmail.com>, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: Blocked process Message-ID: <200908230844.01585.doconnor@gsoft.com.au> In-Reply-To: <alpine.BSF.2.00.0908221520240.61512@fledge.watson.org> References: <200908201204.24914.doconnor@gsoft.com.au> <200908222211.52878.doconnor@gsoft.com.au> <alpine.BSF.2.00.0908221520240.61512@fledge.watson.org>
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--nextPart1828320.9GPGPxByzW Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Sat, 22 Aug 2009, Robert Watson wrote: > On Sat, 22 Aug 2009, Daniel O'Connor wrote: > > On Fri, 21 Aug 2009, CmdLnKid wrote: > >> came back or the machine was rebooted. I continued for a while > >> using /var/mail over NFS while setting or unset mail variables for > >> the shell. You may also want to check into whether something is > >> trying to acquire a lock on a file over that NFS mount which could > >> accrue some extra time making it seem like a process is hung. > > > > We don't have any NFS mounts so I don't think that's it :( > > A number of issues were corrected over the course of the 6.x life > span involving scheduing, including some relating to "lost wakeups".=20 > Many bug fixes relating to threading were also introduced (not sure > if that's relevant to your workload). While it's never a > particularly fun recommendation, I think I'd suggest sliding forward > to the most recent 6.x kernel (but otherwise identical > configuration), perhaps sticking with your current userspace, and > seeing if that resolves the issue. OK, should be feasible to do that I think. Luckily people at this site=20 don't need to drive for a few hours to fix the PC :) Thanks. =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart1828320.9GPGPxByzW Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (FreeBSD) iD8DBQBKkHu55ZPcIHs/zowRAqVEAJ9H7AyzgmE1AuPVTmMA6TLSMxAhHQCfRn3B rnsIELjInNd2kKZv3rC4CgI= =NN6D -----END PGP SIGNATURE----- --nextPart1828320.9GPGPxByzW--
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