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Re: fix dom0 crash on large machines



On Tue, Nov 24, 2009 at 04:23:03PM +0100, Christoph Egger wrote:
> > wow.
> 
> NetBSD Dom0 didn't boot through to the login, though.
> The boot stopped with an endless loop of
> 
> probe(mpt0:0:1:0): command timeout
> mpt0: recovered from command timeout


Hum, could be a bus_dma issue. But I succefully ran NetBSD 5 on a
48Gb machine with mpt and bnx devices with my patch for an additionnal
16Mb-4Gb freelist. Could you try with this patch ?

> The mpt0 is a
> 
> mpt0 at pci2 dev 0 function 0: Symbios Logic SAS1064E
> linkdev LN20 returned ACPI global irq 76, line 76
> ioapic2: int20 0x1807b<vector=0x7b,delmode=0x0,level,masked,dest=0x0> 
> 0x10000000<target=0x10>
> mpt0: interrupting at ioapic2 pin 20, event channel 8
> mpt0: Phy 0: Link Rate 3.0 Gbps
> scsibus0 at mpt0: 112 targets, 8 luns per target
> 
> and disabling mpt0 in userconf ended with
> 
> nfs_boot: trying DHCP/BOOTP
> bge0: watchdog timeout -- resetting
> nfs_boot: timeout...
> bge0: watchdog timeout -- resetting
> nfs_boot: timeout...
> bge0: watchdog timeout -- resetting
> nfs_boot: timeout...

but it could also be an interrupt routing issue; for both devices.
Could you try a native NetBSD kernel ?

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--


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