DragonFly bugs List (threaded) for 2009-04
DragonFly BSD
DragonFly bugs List (threaded) for 2009-04
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panic: lockmgr: locking against myself


From: Hasso Tepper <hasso@xxxxxxxxx>
Date: Sat, 25 Apr 2009 20:22:39 +0300

Fresh build, full hammer setup and triggered by kdesu (KDE wrapper for su 
command). The panic is 100% reproduceable. Core is uploaded into leaf.

#0  dumpsys () at ./machine/thread.h:83
#1  0xc02e1f11 in boot (howto=256) 
at /home/hasso/dragonfly-src/sys/kern/kern_shutdown.c:375
#2  0xc02e21d6 in panic (fmt=0xc05a2374 "lockmgr: locking against myself")
    at /home/hasso/dragonfly-src/sys/kern/kern_shutdown.c:800
#3  0xc02d63dc in lockmgr (lkp=0xd5f574e8, flags=2) 
at /home/hasso/dragonfly-src/sys/kern/kern_lock.c:348
#4  0xc032f843 in vx_lock (vp=0xd5f57428) 
at /home/hasso/dragonfly-src/sys/kern/vfs_lock.c:306
#5  0xc032fbc7 in vnode_terminate (vp=0xd5f57428) 
at /home/hasso/dragonfly-src/sys/kern/vfs_lock.c:226
#6  0xc02c0535 in _sysref_put (sr=0xd5f57438) 
at /home/hasso/dragonfly-src/sys/kern/kern_sysref.c:318
#7  0xc032fa13 in vrele (vp=0x0) 
at /home/hasso/dragonfly-src/sys/sys/sysref2.h:85
#8  0xc033d62c in spec_close (ap=0xd6f4f90c) 
at /home/hasso/dragonfly-src/sys/vfs/specfs/spec_vnops.c:717
#9  0xc049c0c8 in hammer_vop_specclose (ap=0xd6f4f90c)
    at /home/hasso/dragonfly-src/sys/vfs/hammer/hammer_vnops.c:2938
#10 0xc033875a in vop_close (ops=0xc17e9210, vp=0xd5f57428, fflag=3)
    at /home/hasso/dragonfly-src/sys/kern/vfs_vopops.c:257
#11 0xc03105e7 in cttyclose (ap=0xd6f4f960) 
at /home/hasso/dragonfly-src/sys/kern/tty_tty.c:151
#12 0xc02c917e in dev_dclose (dev=0xc16ea718, fflag=2, devtype=8192)
    at /home/hasso/dragonfly-src/sys/kern/kern_device.c:124
#13 0xc033d684 in spec_close (ap=0xd6f4f9ac) 
at /home/hasso/dragonfly-src/sys/vfs/specfs/spec_vnops.c:738
#14 0xc049c0c8 in hammer_vop_specclose (ap=0xd6f4f9ac)
    at /home/hasso/dragonfly-src/sys/vfs/hammer/hammer_vnops.c:2938
#15 0xc033875a in vop_close (ops=0xc17e9210, vp=0xd64ab768, fflag=2)
    at /home/hasso/dragonfly-src/sys/kern/vfs_vopops.c:257
#16 0xc0337918 in vn_close (vp=0xd64ab768, flags=2) 
at /home/hasso/dragonfly-src/sys/kern/vfs_vnops.c:415
#17 0xc0337950 in vn_closefile (fp=0xc96eec70) 
at /home/hasso/dragonfly-src/sys/kern/vfs_vnops.c:1109
#18 0xc02cb467 in fdrop (fp=0xc96eec70) 
at /home/hasso/dragonfly-src/sys/sys/file2.h:120
#19 0xc02cb775 in closef (fp=0xc96eec70, p=0xca695d98)
    at /home/hasso/dragonfly-src/sys/kern/kern_descrip.c:2221
#20 0xc02cbb13 in fdfree (p=0xca695d98) 
at /home/hasso/dragonfly-src/sys/kern/kern_descrip.c:1885
#21 0xc02d1b8a in exit1 (rv=9) 
at /home/hasso/dragonfly-src/sys/kern/kern_exit.c:348
#22 0xc02e29f9 in sigexit (lp=0xc17efab0, sig=9) 
at /home/hasso/dragonfly-src/sys/kern/kern_sig.c:1917
#23 0xc02e4a53 in postsig (sig=9) 
at /home/hasso/dragonfly-src/sys/kern/kern_sig.c:1799
#24 0xc05088ed in userret (lp=0xc17efab0, frame=<value optimized out>, 
sticks=<value optimized out>)
    at /home/hasso/dragonfly-src/sys/platform/pc32/i386/trap.c:289
#25 0xc0509b13 in syscall2 (frame=0xd6f4fd40) 
at /home/hasso/dragonfly-src/sys/platform/pc32/i386/trap.c:1411
#26 0xc04f7076 in Xint0x80_syscall () 
at /home/hasso/dragonfly-src/sys/platform/pc32/i386/exception.s:876
#27 0x28325e7a in ?? ()


-- 
Hasso Tepper



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