Date: Fri, 4 Feb 2005 16:22:04 -0500 (EST) From: Robert keyes <rkeyes@xa.net> To: Scott Long <scottl@freebsd.org> Cc: freebsd-scsi@freebsd.org Subject: Re: MegaRaid 2m Giant Locked-up Message-ID: <Pine.LNX.4.58L0.0502041611370.9405@dark.sinister.com> In-Reply-To: <4203DD97.4000508@freebsd.org> References: <Pine.LNX.4.58L0.0502041406001.4197@dark.sinister.com> <4203DD97.4000508@freebsd.org>
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On Fri, 4 Feb 2005, Scott Long wrote: > Robert keyes wrote: > > > I've recently acquired an HP NetServer LP1000r, 2ith 2 Pentium IIIs at > > 1266 mhz with 2GB of PC133 ram, and a NetRaid 2M RAID controller, with 2 > > 18GB HP 15k SCSI drives. > > > > Upon trying to install FreeBSD 5.3-Release, I've had problems with the > > NetRaid. I get two Giant Loced messages, the first from ohci0, and the > > second from amr0 and then the system hangs: > > > > amr0: <LSILogic MegaRAID> mem 0xf000000 -0x7ffffff irq 16 at device 0.0 on > > pci3 > > > > amr0: [GIANT-LOCKED] > > This is just an informational message that the driver is using old the > SMP locking mechanism instead of it's own. It does not indicate a bug > or a problem. This has been addressed recently and can be tested by > updating your system. OK. so I guess it's whatever happens AFTER the Giant-Lock that is the problem. > > > > I have run HP's diagnostics utility on the machne, and it passed all > > tests. I have removed the NetRaid card and the drives are detected and > > fdisk shows them to still be formatted with the prior user's NTFS ;) > > So the problem is the netraid driver. > > > > When running the diagnostics, I noticed it reported the NetRaid-2m at > > memory base 0xf0000008 and irq 9 - so how is FreeBSD coming up with IRQ > > 16? Or am I mixing apples and oranges? > > The diagnostics run the interrupt controllers in legacy mode. There is > nothing to worry about here. OK > Have you actually installing and running FreeBSD despite these messages? > No. Before I toss the RAID card, I wanted to see if I could use it. Immediately after the Giant Lock message (even in verbose logging mode) the system freezes hard (i.e. caps lock fails to toggle the keyboard LED). I have tried some desperate measured, such as reducing ram to 1gb and running a single processor, with the same results. Interestingly, neither Debian nor Red Hat can find the drives, but they don't crash. I have flashed the BIOS on the MegaRaid to the latest available from the HP website. That made no change to the result. I am about to disable IDE and try to install from floppy. It's the last, best desperate move I can make.
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