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List:       netbsd-tech-kern
Subject:    iscsifs (puffs?) crash
From:       Dieter Baron <dillo () danbala ! ifoer ! tuwien ! ac ! at>
Date:       2008-06-22 12:52:46
Message-ID: 20080622125246.GK26542 () danbala ! tuwien ! ac ! at
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hi,

while using the following setup on a 4.99.60 i386 -current:

iscsifs (against netbsd-iscsi-target on OpenSolaris)
 -> vnd
  -> cgd
   -> ffs2

I had the following crash (copied by hand):

uvm_fault(0xd2285d24, 0, 1) -> 0xe
kernel: supervisor trap page fault, code=0
Stopped in pid 10552.1 (kdeinit) at     netbsd:vfs_trybusy+0x18:          movl 0
x24(%ebx),%edx
Bad character
?
db> bt
vfs_trybusy(11,0,c058f180,2,0) t netbsd:vfs_trybusy+0x10
do_sys_getvfsstat(d91626c0,ba4512d0,d0e0,2,c0100710) at netbsd:do_sys_getvfsstat+0xaf
sys_getvfsstat(d91626c0,cbf89d00,cbf89d28,ba44f000,d0e0) at netbsd:sys_getvfsstat+0x41
syscall(cbf89d48,bfbf00b3,bfbf00ab,ba64001f,bfbf001f) at netbsd:syscall+0xa9


  I can reproduce this crash quite easily (it happened 4 times already).

  Any ideas what's causing this or how to fix it?  Anything I can do
to help debug?

					yours,
					dillo
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