Date: Fri, 6 Dec 2002 20:54:04 +0200 From: Ruslan Ermilov <ru@FreeBSD.ORG> To: David Rhodus <david@uky.edu> Cc: Archie Cobbs <archie@dellroad.org>, Kirk McKusick <mckusick@beastie.mckusick.com>, freebsd-current@FreeBSD.ORG Subject: Re: backgroud fsck is still locking up system (fwd) Message-ID: <20021206185404.GC15446@sunbay.com> In-Reply-To: <D414C546-094B-11D7-883E-0050E460845F@uky.edu> References: <200212061839.gB6Id3Bn064745@arch20m.dellroad.org> <D414C546-094B-11D7-883E-0050E460845F@uky.edu>
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--p2kqVDKq5asng8Dg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Dec 06, 2002 at 01:52:11PM -0500, David Rhodus wrote: >=20 > On Friday, December 6, 2002, at 01:39 PM, Archie Cobbs wrote: >=20 > >Kirk McKusick wrote: > >>Does the background fsck process continue to run, or does the whole > >>system come to a halt? If the fsck process continues to run, what > >>happens when it eventually finishes? Is the system still dead, or > >>does it come back to life? If the system does not come back to life > >>can you get me the output of `ps axl'? If not, can you break into > >>the debugger and get a ps output? (You will need to have the DDB > >>option specified in your config file). > > > >OK, here is some more info.. > > > >I easily reproduced the problem again. So far it's 100% reproducible. > >This time to reproduce it simply booted in single user mode, typed > >"mount -a -t nonfs" and then pulled the plug. > > > >After the reboot, the HDD light soon stops blinking altogether. I > >waited for several minutes (which should have been long enough) and > >it never came back to life, which is not surprising considering > >there's no disk activity. > > > >Breaking into the debugger still works. However, pressing the soft > >power button no longer causes a graceful shutdown as it normally does. > > > >To copy the 'ps' debugger output, I'd have to manually copy it all, > >so here are just a few highlights: > > > >Proc State > >---- ----- > >fsck_ufs 0004000 norm[SLPQ nbufbs c036e5b0][SLP] > >fsck 0004002 norm[SLPQ wait c124dce8][SLP] > >syncer 0000204 norm[SLPQ nbufbs c036e5b0][SLP] > >vnlru 0000204 norm[SLPQ vlruwt c12c0ce8][SLP] > >bufdaemon 0000204 norm[SLPQ qsleep c036e5a4][SLP] > >swapper 0000200 norm[SLPQ sched c0315a20][SLP] > > > >Softupdates is enabled on /usr and /var but not /. > > > >This machine also acts as an NFS client for /home/archie. > > >=20 > Why does softupdates not get enabled on / , by default on the install? >=20 Read tuning(7). Cheers, --=20 Ruslan Ermilov Sysadmin and DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age --p2kqVDKq5asng8Dg Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (FreeBSD) iD8DBQE98PJMUkv4P6juNwoRAsegAJ0ZeKPMuhrhIRSEdtu4D7e9190uLQCdE3+t nmiLY7ilpvnZBSKq/1fGJr0= =Qq6R -----END PGP SIGNATURE----- --p2kqVDKq5asng8Dg-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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