port-arm/45601: shark panics during atf run

[martin%NetBSD.org@localhost]

>Number:         45601
>Category:       port-arm
>Synopsis:       shark panics during atf run
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-arm-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Nov 11 15:40:00 +0000 2011
>Originator:     Martin Husemann
>Release:        NetBSD 5.99.56
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD night-rest.duskware.de 5.99.56 NetBSD 5.99.56 (GENERIC) #2: Thu 
Nov 10 22:13:00 CET 2011 
martin%night-porter.duskware.de@localhost:/usr/src/sys/arch/shark/compile/GENERIC
 shark
Architecture: arm
Machine: shark
>Description:

I see a reproducable kernel panic during atf runs on shark:

fs/psshfs/t_psshfs (94/482): 3 test cases
    inode_nos: Failed: Test case timed out after 300 seconds
    ls: panic: kernel diagnostic assertion "curcpu()->ci_biglock_count == 0" 
failed: file "../../../../sys/userret.h", line 86 
Mcpu0: Begin traceback...
Mnetbsd:vpanic+0xc
      scp=0xf0191260 rlv=0xf026f5d8 (netbsd:kern_assert+0x40)
      rsp=0xf2c7ce84 rfp=0xf2c7ce98
      r7=0x00000016
netbsd:kern_assert+0x10
      scp=0xf026f5a8 rlv=0xf0001658 (netbsd:userret+0xbc)
      rsp=0xf2c7ceac rfp=0xf2c7cec4
netbsd:userret+0xc
      scp=0xf00015a8 rlv=0xf01a63a8 (netbsd:syscall+0xe4)
      rsp=0xf2c7cec8 rfp=0xf2c7cf54
      r5=0xf2c1b540 r4=0xf2c7cfb4
netbsd:syscall+0xc
      scp=0xf01a62d0 rlv=0xf01a6544 (netbsd:swi_handler+0xb4)
      rsp=0xf2c7cf58 rfp=0xf2c7cfb0
      r10=0x00000000 r9=0x00000000
      r8=0x00000000 r7=0x00000001 r6=0xf02bd8d4 r5=0xf2c7cfb4
      r4=0xf2c1b540
netbsd:swi_handler+0xc
      scp=0xf01a649c rlv=0xf003cf10 (netbsd:swi_entry+0x5c)
      rsp=0xf2c7cfb4 rfp=0xefffece0
      r8=0xefffe808 r7=0x00011c10
      r6=0x00000000 r5=0xefffe808 r4=0xf02bd8d4
cpu0: End traceback...


>How-To-Repeat:

cd /usr/tests
atf-run | atf-report

>Fix:
n/a