[issue983] Panic in a vkernel: getblk: vnode 0x669232e8 has no object!

Rumko sinknull at crater.dragonflybsd.org
Thu May 1 16:29:03 PDT 2008

Rumko <rumcic at gmail.com> added the comment:

Well it's been a long time, but I have managed to get a panic with "panic:
getblk: vnode 0xf1fda768 has no object!" on my host machine this time.
The kernel.1 and vmcore.1 files are at leaf:~rumko/crash/01.05.2008

The backtrace:
#0  dumpsys () at ./machine/thread.h:83
#1  0xc0270739 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:375
#2  0xc02709fc in panic (fmt=0xc050659c "getblk: vnode %p has no object!") at
#3  0xc02ac5c6 in getblk (vp=0xf1fda768, loffset=-274945245184, size=16384,
blkflags=<value optimized out>, slptimeo=0)
    at /usr/src/sys/kern/vfs_bio.c:2350
#4  0xc03b0160 in ffs_indirtrunc (ip=0xf1389200, lbn=-16781326, dbn=-16793008,
lastbn=-1, level=2, countp=0xf18629c0)
    at /usr/src/sys/vfs/ufs/ffs_inode.c:465
#5  0xc03b0da5 in ffs_truncate (vp=0xf1fda768, length=0, flags=0, cred=0x0) at
#6  0xc03bb472 in ufs_inactive (ap=0xf1862aa4) at
#7  0xc03bdffa in ufs_vnoperate (ap=0xf1862aa4) at
#8  0xc02c2e56 in vop_inactive (ops=0xd3a14970, vp=0xf1fda768) at
#9  0xc02badc8 in vnode_terminate (vp=0xf1fda768) at
#10 0xc0250670 in _sysref_put (sr=0xf1fda778) at /usr/src/sys/kern/kern_sysref.c:318
#11 0xc02bac20 in vrele (vp=0x0) at /usr/src/sys/sys/sysref2.h:85
#12 0xc02b25f0 in vop_compat_nresolve (ap=0xf1862b68) at
#13 0xc02b213b in vop_defaultop (ap=0xf1862b68) at
#14 0xc03bdffa in ufs_vnoperate (ap=0xf1862b68) at
#15 0xc02c315b in vop_nresolve (ops=0xd3a14970, nch=0xf1862ba8, dvp=0xf2331168,
    at /usr/src/sys/kern/vfs_vopops.c:945
#16 0xc02af3be in cache_resolve (nch=0xf1862bd8, cred=0xe0b53318) at
#17 0xc02b6bc4 in nlookup (nd=0xf1862c84) at /usr/src/sys/kern/vfs_nlookup.c:397
#18 0xc02be82f in kern_stat (nd=0xf1862c84, st=0xf1862c1c) at
#19 0xc02be8d7 in sys_lstat (uap=0xf1862cf0) at
#20 0xc048132d in syscall2 (frame=0xf1862d40) at
#21 0xc046e8b5 in Xint0x80_syscall () at
#22 0x0804e698 in ?? ()

priority:  -> bug

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