Re: mfi(4) locking bug?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sun, Feb 13, 2011 at 12:09:49AM -0800, John Nemeth wrote:
>      I'm working on a multicore machine with an mfi(4) in it.  If I try
> to boot the installation CD normally, it typically hangs when running
> newfs.  If I 'boot -12' (i.e. no SMP {or ACPI}) I can install the
> system.  However if I try to perform heavy disk operations (i.e.
> pkgsrc checkout) on a system booted normally, it will hang at some
> point.  Right now, the system is running with a drive connected to a
> different controller where it has been doing things like checking out
> and building packages, running build -j 30, etc.  for a week without
> any issues.  Only difference between system that works and system that
> doesn't is the disk controller in use.  Details on the mfi(4)
> controller are:
> 
> # pcictl /dev/pci1 list
> 004:00:0: Symbios Logic SAS1078 PCI (RAID mass storage, revision 0x04)
> # grep mfi /var/run/dmesg.boot
> mfi0 at pci1 dev 0 function 0
> mfi0: interrupting at ioapic1 pin 20
> mfi0: logical drives 1, version 8.0.1-0038, 256MB RAM
> scsibus0 at mfi0: 64 targets, 8 luns per target
> 
> Is anybody aware of locking issues in mfi(4) or have any suggestions
> for debugging this problem?

which version of NetBSD is it ?
I have some SMP (4 or 8 cores) Dell server with MFI controllers,
no issues so far with a 5.0_STABLE or 5.1_STABLE.
There was some issues in 5.0 release which have been fixed since then.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--