kern/71771: Hang during heavy load with amr raid controller (466 series / dell perc 2 SC)

[Simon L. Nielsen]

The following reply was made to PR kern/71771; it has been noted by GNATS.

From: "Simon L. Nielsen" <simon at FreeBSD.org>
To: Michel Gravey <michel.gravey at 7ici.biz>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: kern/71771: Hang during heavy load with amr raid controller (466 series / dell perc 2 SC)
Date: Wed, 15 Sep 2004 21:28:47 +0200

 --+HP7ph2BbKc20aGI
 Content-Type: text/plain; charset=us-ascii
 Content-Disposition: inline
 Content-Transfer-Encoding: quoted-printable
 
 On 2004.09.15 16:14:50 +0000, Michel Gravey wrote:
 >=20
 
 > The hang (no panic) comes under heavy load after 1-5 hours of make world =
 running at -j4(or -j6 or -j12). The system is a proliant 1850R(P3SMP) with =
 4 drives on a hardware raid 5 controller, a amr 466 (dell perc2sc).
 > make.conf: COPTFLAGS=3D -O2 -pipe -march=3Dpentiumpro or GENERIC kernel f=
 rom fresh install
 
 I don't know if it is the problem (might not be), but using -O2 (or
 higher) is unsupported on 4.X and will (AFAIR) break at least part of
 the kernel.
 
 --=20
 Simon L. Nielsen
 FreeBSD Documentation Team
 
 --+HP7ph2BbKc20aGI
 Content-Type: application/pgp-signature
 Content-Disposition: inline
 
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.2.6 (FreeBSD)
 
 iD8DBQFBSJfuh9pcDSc1mlERAsk+AKCU+6sUVklDwQBQA0d+NWJsedcyxgCfW2Zb
 jCIq+U44fz61FTX7MCi1ooQ=
 =kWnB
 -----END PGP SIGNATURE-----
 
 --+HP7ph2BbKc20aGI--