Date: Tue, 6 Feb 2007 02:52:54 +0800 From: "Rong-en Fan" <grafan@gmail.com> To: "Scott Long" <scottl@samsco.org> Cc: freebsd-scsi@freebsd.org Subject: Re: ahd0 dumps when an ext. raid attached Message-ID: <6eb82e0702051052k1b594ee6l5210fe39393e7149@mail.gmail.com> In-Reply-To: <45C62EEB.8050308@samsco.org> References: <6eb82e0702040946k6492e2f0r49852fc9b35c30df@mail.gmail.com> <45C62EEB.8050308@samsco.org>
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On 2/5/07, Scott Long <scottl@samsco.org> wrote: > Rong-en Fan wrote: > > We have an ahd0 on IBM x236 server: > > > > ahd0: <Adaptec 29320LP Ultra320 SCSI adapter> port > > 0x4000-0x40ff,0x4100-0x41ff mem 0xcfffe000-0xcfffffff irq 25 at device > > 12.0 on pci3 > > ahd0: [GIANT-LOCKED] > > aic7901A: Ultra320 Wide Channel A, SCSI Id=7, PCI-X 67-100Mhz, 512 SCBs > > > > The server runs i386 6.2-RELEASE. There is a tape driver on this card. When > > I attach an external RAID (U160, scsi chip is LSI1020, I think), ahd0 > > gets unhappy. > > It dumps when the kernel tries to probe the device. > > > > The verbose boot log is at > > > > http://www.rafan.org/tmp/ahd0.dump.txt > > > > This RAID works fine if I attach it to a LSI card. But due to other > > reasons, I can > > not use LSI card on this server. > > > > Suggestions are welcome. > > > > Regards, > > Rong-En Fan > > The chip is detecting many transmission errors. Maybe you have a bad > cable? Try using the BIOS to force all targets to U160 or lower. You > should also try forcing packetized mode off from the BIOS. If it's not > the cable then there is some sort of major incompatibility with the > firmware of that device. Other OS's might be covering it up by > automatically doing domain validation and silently downshifting the > speed. My problem is solved by enable BIOS Multiple LUN support in Adaptec U320 bios. I don't touch other settings, i.e., default values. Regards, Rong-En Fan > > Scott >
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