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Date: Thu, 16 Sep 2004 09:40:24 GMT
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To: freebsd-bugs@FreeBSD.org
From: "Michel Gravey" <michel.gravey@7ici.biz>
Subject: Re: kern/71771: Hang during heavy load with amr raid controller
	(466 series / dell perc 2 SC)
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The following reply was made to PR kern/71771; it has been noted by GNATS.

From: "Michel Gravey" <michel.gravey@7ici.biz>
To: "Michel Gravey" <michel.gravey@7ici.biz>
Cc: <freebsd-gnats-submit@FreeBSD.org>
Subject: Re: kern/71771: Hang during heavy load with amr raid controller (466 series / dell perc 2 SC)
Date: Thu, 16 Sep 2004 11:31:18 +0200

 The hang still occurs with a kernel just compiled with -O.
 So I really need the patch I submitted.
 Maybe not the good way but it works fine for me.
 I can test other patches if you have any.
 
 Have a nice day,
 
 Michel Gravey
 
 ----- Original Message ----- 
 From: "Michel Gravey" <michel.gravey@7ici.biz>
 To: "Simon L. Nielsen" <simon@FreeBSD.org>
 Sent: Wednesday, September 15, 2004 10:35 PM
 Subject: Re: kern/71771: Hang during heavy load with amr raid controller 
 (466 series / dell perc 2 SC)
 
 > Will try now to crash this box (nice program) with a driver not patched 
 > and a -O only.
 > If it doesn't crash, I'm lucky, and no problem with the driver. (I will 
 > report it)
 >
 > Thanks for the tip,
 >
 > Michel Gravey
 > ----- Original Message ----- 
 > From: "Simon L. Nielsen" <simon@FreeBSD.org>
 > To: "Michel Gravey" <michel.gravey@7ici.biz>
 > Cc: <freebsd-gnats-submit@FreeBSD.org>
 > Sent: Wednesday, September 15, 2004 9:28 PM
 > Subject: Re: kern/71771: Hang during heavy load with amr raid controller 
 > (466 series / dell perc 2 SC)
 >
 >On 2004.09.15 16:14:50 +0000, Michel Gravey wrote:
 >
 
 >> 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= -O2 -pipe -march=pentiumpro or GENERIC kernel from 
 >> 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.
 
 >-- 
 >Simon L. Nielsen
 >FreeBSD Documentation Team