FreeBSD 8.1-RELEASE-p1 #11 i386 DomU kernel panic on mkdir()

[Yuriy Kohut]

Hi,

Got one new kernel panic:

mode = 063537, inum = 235520, fs = /
panic: ffs_valloc: dup alloc
cpuid = 0
KDB: enter: panic
[thread pid 845 tid 100036 ]
Stopped at      kdb_enter+0x3a: movl    $0,kdb_why
db> where
Tracing pid 845 tid 100036 td 0xc24b1280
kdb_enter(c035e9b8,c035e9b8,c037226c,d5740900,0,...) at kdb_enter+0x3a
panic(c037226c,675f,39800,c24118d4,0,...) at panic+0x136
ffs_valloc(c28c5a78,41ed,c2495b00,d5740a2c,0,...) at ffs_valloc+0x602
ufs_readdir(d5740c38,0,d5740be4,d5740b7c,d5740c5c,...) at ufs_readdir+0x3d6
VOP_MKDIR_APV(c03a9ec0,d5740c38,68,0,0,...) at VOP_MKDIR_APV+0x42
kern_mkdirat(c24b1280,ffffff9c,28530180,0,1ed,...) at kern_mkdirat+0x251
kern_mkdir(c24b1280,28530180,0,1ed,d5740d3c,...) at kern_mkdir+0x2e
mkdir(c24b1280,d5740d08,c2478280,206,c00fd1af,...) at mkdir+0x29
syscall(d5740d48) at syscall+0x2d3
Xint0x80_syscall() at Xint0x80_syscall+0x22
--- syscall (136, FreeBSD ELF32, mkdir), eip = 0x2833ba53, esp = 0xbf7fc7cc, ebp = 0xbf7fd0d8 ---
---
Yura