Date: Thu, 20 Aug 2009 16:55:00 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: Bob Bishop <rb@gid.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: Blocked process Message-ID: <200908201655.08711.doconnor@gsoft.com.au> In-Reply-To: <1C09D3DE-5DA2-4AC6-B546-DA8E6715E1F4@gid.co.uk> References: <200908201204.24914.doconnor@gsoft.com.au> <1C09D3DE-5DA2-4AC6-B546-DA8E6715E1F4@gid.co.uk>
next in thread | previous in thread | raw e-mail | index | archive | help
--nextPart1632803.zyBB5vPTYh Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Thu, 20 Aug 2009, Bob Bishop wrote: > Hi, > > On 20 Aug 2009, at 03:34, Daniel O'Connor wrote: > > [...] > > The problem appears to now be that the userland process that reads > > data > > out of the kernel is being stalled for over 4 seconds. This process > > reads from the kernel and does some minor processing and then > > writes it > > out to a child process to do some more work on it. > > > > [...] > > Given that renice'ing has an effect it seems to be a scheduler > > problem, [etc] > > Which scheduler are you using? Have you tried the other one? This is running in 6.2 ish using 4BSD, I was under the impression ULE=20 wasn't very stable in 6.2. I could probably try it though... =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 --nextPart1632803.zyBB5vPTYh 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) iD8DBQBKjPpU5ZPcIHs/zowRAjHIAKCrKB2g3skAaST4GWD/yT836VuhZgCdHqKR o+OaEFE4HRwhs/8H5LtmYVw= =AfFw -----END PGP SIGNATURE----- --nextPart1632803.zyBB5vPTYh--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200908201655.08711.doconnor>