>Number:         28051
>Category:       port-sparc64
>Synopsis:       Kernel NFS bug
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    port-sparc64-maintainer
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Nov 06 17:20:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator:     Jason
>Release:        1.6.2
>Organization:
Self
>Environment:
NetBSD drteeth 1.6.2 NetBSD 1.6.2 (GENERIC) #3: Mon Feb  9 18:37:36 CET 2004     he@kveite.urc.uninett.no:/usr/users/he/build-1-6/obj.sparc64/sys/arch/sparc64/compile/GENERIC sparc64
>Description:
Have an NFS export on this host that is shared to a Linux host and an HP-UX 11 host.  Attempts to push large amounts of data from one of these guys to the NetBSD host results is a kerenl panic and barfs the following output from the kernel debugger:

psycho0: uncorrectable DMA error AFAR 2f044f8 pa ffffffffffffffff AFSR 6400ff00e0800000:
4600ff00e0800000<BLK,P_DTE,S_DTE,S_ORD,P_DRD>
IOVA c09f0000 I0TTE 27f8012
kdb breakpoint at 12c8354
stopped in pid 152 (nfsd) at cpu_Debugger +0x4    nop


There is a 160GB harddrive in this machine (an ULTRA 10), and I have a feeling that that may be a large portion of the problem.  Even Sloaris will not install correctly on this box with an ATA disk that size in it - the PROM is the latest update.  Unlike Debian (Linux kernel), NetBSD had no issue  with the disk at all, it created a file system over the entire disk and installed witout complaint - perhaps it should have?


>How-To-Repeat:
NFS share a very large filesystem, mount it elsewhere, and attempt to push a lot of data to it.
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: