The following reply was made to PR kern/31477; it has been noted by GNATS.

From: Manuel Bouyer <bouyer@antioche.eu.org>
To: gnats-bugs@NetBSD.org
Cc: kern-bug-people@NetBSD.org, gnats-admin@NetBSD.org,
	netbsd-bugs@NetBSD.org
Subject: Re: kern/31477: Heavy disk IO to raid0 locks up system
Date: Wed, 5 Oct 2005 21:53:47 +0200

 On Wed, Oct 05, 2005 at 03:21:00AM +0000, steven_grunza@ieee.org wrote:
 > >Description:
 > I have a Promise Ultra100TX2/ATA controller on the PCI bus with two 74GB (ST380011A) drives.  Each drive is on it's own bus as a master.  The motherboard (Dell XPS T500) has a DVD+RW drive as a secondary master and a 13 GB IBM drive as a primary master.
 > 
 > Networking is with a 3C905C 10/100 Ethernet card running at 100 Mbps full-duplex.
 > 
 > The system is normally stable and is used as a file server.  If a client connects (samba 3.0.14a) to a samba share and transfers large amounts of data for several minutes then the file server (barc) stops responding to the client and doesn't respond to pings.  The console (vga text mode /w/ PS2 keyboard) also stops responding to the keyboard.  The only way to recover is to reboot using the PC's front panel reset button.
 > 
 > The data transfers are to a file system on raid0 which is a RAID 1 (mirrored) set of disks.
 > 
 > I often see lines in dmesg about "stray interrupt 7".  I haven't found anything that suggests a connection between "stray interrupt 7" and the crashes.
 
 Shoud not be related.
 For the record, I have several file servers using raidframe raid-1 volumes,
 and none shows this behavior. They are still running 1.6.2_STABLE. I use intel
 gigabit network cards, and and HPT370 adapter (for the IDE-based ones).
 Can you reproduce the hang by doing only disk I/O, or only networks I/O ?
 Can you post the dmesg ?
 
 -- 
 Manuel Bouyer <bouyer@antioche.eu.org>
      NetBSD: 26 ans d'experience feront toujours la difference
 --