Date: Thu, 5 Feb 2009 14:06:55 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Matt Burke <mattblists@icritical.com> Cc: stable@freebsd.org Subject: Re: 7.1-RELEASE I/O hang Message-ID: <20090205120655.GI9427@deviant.kiev.zoral.com.ua> In-Reply-To: <498ACD02.4040602@icritical.com> References: <49898E3D.7030609@icritical.com> <20090204143309.GF9427@deviant.kiev.zoral.com.ua> <498ACD02.4040602@icritical.com>
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[-- Attachment #1 --] On Thu, Feb 05, 2009 at 11:26:58AM +0000, Matt Burke wrote: > Kostik Belousov wrote: > > Compile ddb into the kernel, and do "ps" from the ddb prompt. If there > > are processes hung in the "nbufkv" state, then the patch below might > > help. > > The bonnie++ processes are in state "newbuf" and other hung processes > (bash, newly forked sshds, etc) appear to be in the "ufs" state. What is the state of the bufdaemon process ? > > The patch appears to have no effect, although at the last hang I did see > one of the bonnie++ processes in "nbufkv" state. This could be coincidental. > > > The problem also exhibits itself when running a parallel bonnie++ on a > single array, both with the onboard PERC6/i and the PERC6/e. I have no > access to other controllers. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkmK1l8ACgkQC3+MBN1Mb4j/SwCgq6Dha2nfOGiuRg2zJ29t7mG2 lYgAoJ7Z3nxwX7NgoFq6UVrntrZyuu/Q =X3SH -----END PGP SIGNATURE-----
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