Date: Tue, 15 Aug 2006 11:25:57 +0200 From: "Arjan van Leeuwen" <avleeuwen@gmail.com> To: "John Baldwin" <jhb@freebsd.org> Cc: Michael Landin Hostbaek <mich@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: IBM xSeries 336 dual Xeon hangs on boot when APIC enabled Message-ID: <d86b48730608150225g551097bdj2ec0f122f470d20@mail.gmail.com> In-Reply-To: <200608140946.15744.jhb@freebsd.org> References: <d86b48730608130841t7afd1639i76847747c6992558@mail.gmail.com> <20060813202334.GR68776@mich2.itxmarket.com> <d86b48730608140145u4f8fe972m44524a7807af013b@mail.gmail.com> <200608140946.15744.jhb@freebsd.org>
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2006/8/14, John Baldwin <jhb@freebsd.org>: > > On Monday 14 August 2006 04:45, Arjan van Leeuwen wrote: > > 2006/8/13, Michael Landin Hostbaek <mich@freebsd.org>: > > > > > > Arjan van Leeuwen (avleeuwen) writes: > > > > I'm trying to boot FreeBSD 6.1-RELEASE/amd64 on an IBM xSeries 336 > > > machine > > > > with dual Xeons 3.2GHz installed. > > > > > > > > The installation was successful, but > > > > if I try to boot the SMP kernel, it hangs after detection of SCSI > and > > > ATA > > > > devices (possibly when doing the initialization of the mpt0 RAID > > > controller, > > > > or when it tries to start the second CPU?). > > > > > > > > > > I've just had a similar problem with an IBM xSeries 232 - it would not > > > boot with apic enabled.. I chased the problem down to the network > > > adapter (fxp) - and when disabling the planar ethernet in BIOS it > would > > > boot with SMP. > > > > > > Yes! Indeed, the system boots perfectly well if I disable both network > > adapters (bge, see > > dmesg.boot > > posted earlier). However, I need at least one functioning network > adapter... > > > > I managed to get both NIC and SMP working by disabling a bunch of stuff > > > in the BIOS, fx both serial ports and also the floppy drive. > > > > > > ... and this doesn't seem to work for me. > > > > So: > > 1) Why does my system hang if I enable the network adapter? > > 2) Why does it only hang if APIC is enabled? > > > > Arjan > > Compile DDB into your SMP kernel. When it 'hangs', break into ddb and run > 'show intrcnt' to see if you are having an interrupt storm. I can't break into DDB during the hang, it's not responding. I can do it just before the hang, but that doesn't seem very helpful. Is there another way to force it to break? Arjan -- > John Baldwin >
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