From owner-freebsd-hackers  Wed Nov  8  1:26:14 2000
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Date: Wed, 8 Nov 2000 01:26:11 -0800 (PST)
From: Matt Dillon <dillon@earth.backplane.com>
Message-Id: <200011080926.eA89QBl98066@earth.backplane.com>
To: hackers@freebsd.org
Subject: VXLOCK Deadlock against self ?  Anyone have any ideas?
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

    This is quite odd.  Anybody have any ideas?

(kgdb) back
#0  mi_switch () at machine/globals.h:119
#1  0xc0167711 in tsleep (ident=0xe19418c0, priority=8, 
    wmesg=0xc0291cfd "vget", timo=0) at ../../kern/kern_synch.c:467
#2  0xc0190193 in vget (vp=0xe19418c0, flags=393216, p=0xdca87780)
    at ../../kern/vfs_subr.c:1368
#3  0xc023c2ba in vm_object_reference (object=0xe1974960)
    at ../../vm/vm_object.c:251
#4  0xc022ccbc in ffs_write (ap=0xdca95c00)
    at ../../ufs/ufs/ufs_readwrite.c:399
#5  0xc0242a33 in vnode_pager_generic_putpages (vp=0xe19418c0, m=0xdca95d10, 
    bytecount=65536, flags=1, rtvals=0xdca95ca4) at vnode_if.h:363
#6  0xc022d5ca in ffs_putpages (ap=0xdca95c68)
    at ../../ufs/ufs/ufs_readwrite.c:686
#7  0xc024288e in vnode_pager_putpages (object=0xe1974960, m=0xdca95d10, 
    count=16, sync=1, rtvals=0xdca95ca4) at vnode_if.h:1126
#8  0xc023f8b3 in vm_pageout_flush (mc=0xdca95d10, count=16, flags=1)
    at ../../vm/vm_pager.h:145
#9  0xc023c997 in vm_object_page_clean (object=0xe1974960, start=0, end=0, 
    flags=1) at ../../vm/vm_object.c:655
#10 0xc023c53b in vm_object_terminate (object=0xe1974960)
    at ../../vm/vm_object.c:425
#11 0xc019060e in vclean (vp=0xe19418c0, flags=8, p=0xdca87780)
    at ../../kern/vfs_subr.c:1669
---Type <return> to continue, or q <return> to quit---
#12 0xc019088b in vgonel (vp=0xe19418c0, p=0xdca87780)
    at ../../kern/vfs_subr.c:1840
#13 0xc0190810 in vrecycle (vp=0xe19418c0, inter_lkp=0x0, p=0xdca87780)
    at ../../kern/vfs_subr.c:1795
#14 0xc022f061 in ufs_inactive (ap=0xdca95f04) at ../../ufs/ufs/ufs_inode.c:100
#15 0xc02341a9 in ufs_vnoperate (ap=0xdca95f04)
    at ../../ufs/ufs/ufs_vnops.c:2285
#16 0xc01903a9 in vput (vp=0xe19418c0) at vnode_if.h:794
#17 0xc0227e64 in handle_workitem_remove (dirrem=0xc1c42020)
    at ../../ufs/ffs/ffs_softdep.c:2670
#18 0xc022554d in softdep_process_worklist (matchmnt=0x0)
    at ../../ufs/ffs/ffs_softdep.c:559
#19 0xc018fc4f in sched_sync () at ../../kern/vfs_subr.c:1034




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