From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.gmx.net (pop.gmx.net [213.165.64.20]) by ozlabs.org (Postfix) with SMTP id B53C567A75 for ; Wed, 23 Feb 2005 05:26:54 +1100 (EST) Message-ID: <421B79AD.60508@gmx.de> Date: Tue, 22 Feb 2005 19:27:57 +0100 From: Sebastian Heutling MIME-Version: 1.0 To: Leigh Brown References: <20041206185416.GE7153@smtp.west.cox.net> <421B1F12.7050601@gmx.de> <5982.195.212.29.67.1109074991.squirrel@195.212.29.67> In-Reply-To: <5982.195.212.29.67.1109074991.squirrel@195.212.29.67> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: Tom Rini , Christian Kujau , Meelis Roos , Kernel Mailing List , linuxppc-dev@ozlabs.org, Sven Hartge Subject: Re: [PATCH 2.6.10-rc3][PPC32] Fix Motorola PReP (PowerstackII Utah) PCI IRQ map List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Leigh Brown wrote: >Sebastian Heutling said: > > >>Meelis Roos wrote: >> >> >> >>>>The PCI IRQ map for the old Motorola PowerStackII (Utah) boards was >>>>incorrect, but this breakage wasn't exposed until 2.5, and finally >>>>fixed >>>>until recently by Sebastian Heutling . >>>> >>>> >>>Yesterday I finally got around to testing it. It seems the patch has >>>been applied in Linus's tree so I downloaded the latest BK and tried it. >>> >>>Still does not work for me but this time it's different. Before the >>>patch SCSI worked fine but PCI NICs caused hangs. Now I can't test PCI >>>NICs because even the onboard 53c825 SCSI hangs - seems it gets no >>>interrupts. >>> >>>It detects the HBA, tries device discovery, gets a timeout, ABORT, >>>timeout, TARGET RESET, timeout, BUS RESET, timeout, HOST RESET and >>>there it hangs. >>> >>>Does it work for anyone else on Powerstack II Pro4000 (Utah)? >>> >>> >>> >>It does work in 2.6.8 using backported patches (e.g. the debian 2.6.8 >>kernel). But it doesn't work above that version because of other patches >>in arch/ppc/platforms/prep_pci.c and arch/ppc/platforms/prep_setup.c >>(made by Tom Rini?). I couldn't find out what exactly is causing this >>problem yet (because lack of time and the fact that my Powerstack is >>used as a router). >> >> > >Ah, this could well be my fault. Those patches were to improve support >of IBM RS/6000 PReP boxes. Do those machines have residual data? If >so, could anyone who has one send me the contents of /proc/residual? > >Also, a full boot log when working and failing would be cool. > > No, the PowerstackII Pro4000 (Utah) has no residual. I couldn't see anything unusal in the bootlogs except that neither IDE nor SCSI interrupts occour (timeouts for SCSI and lost interrupts for IDE). I assume other PCI-devices have a similar problem. I will try to extract some bootlogs in the next days but I think they won't help. Basti