Date: Fri, 6 Feb 2009 12:30:23 +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: <20090206103023.GN9427@deviant.kiev.zoral.com.ua> In-Reply-To: <498ADF9F.3050205@icritical.com> References: <49898E3D.7030609@icritical.com> <20090204143309.GF9427@deviant.kiev.zoral.com.ua> <498ACD02.4040602@icritical.com> <20090205120655.GI9427@deviant.kiev.zoral.com.ua> <498ADF9F.3050205@icritical.com>
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--xTKfHyrFnSV9DG3y Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 05, 2009 at 12:46:23PM +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 ? >=20 > qsleep Please, increase the value that is assigned to the target variable in the line 2193 of the patched sys/kern/vfs_bio.c from 1 to, say, 10 or 100. --xTKfHyrFnSV9DG3y Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEARECAAYFAkmMET8ACgkQC3+MBN1Mb4jCmACfUaQEldf8j3fNvCzBOrXPbKJj F44AoMla8CNzahlWiCO2Hp+s8V2ZpGA4 =0tex -----END PGP SIGNATURE----- --xTKfHyrFnSV9DG3y--
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