panic: flush_pagedep_deps: MKDIR_BODY

In GENERIC HEAD from Apr 30 07:27 UTC I got this double panic while
stress testing:

panic(c08e9dc3,b7c40,0,5af,c0a10258) at panic+0x14b
flush_pagedep_deps(c3cbd924,c38ac510,c41024f8) at flush_pagedep_deps+0x18e
softdep_sync_metadata(c3cbd924) at softdep_sync_metadata+0x410
ffs_syncvnode(c3cbd924,1) at ffs_syncvnode+0x328
ffs_truncate(c3cbd924,e00,0,880,c3b82c00,c3dac1b0) at ffs_truncate+0x4bf
ufs_direnter(c3cbd924,c4b6d410,e614c9f8,e614cbc8,0) at ufs_direnter+0x7cf
ufs_makeinode(1180,c3cbd924,e614cbb4,e614cbc8) at ufs_makeinode+0x456
ufs_mknod(e614cb60,c3cbd924,0,e614cc6c,c06dffe2) at ufs_mknod+0x29
VOP_MKNOD_APV(c098ab00,e614cb60) at VOP_MKNOD_APV+0x7e
kern_mkfifo(c3dac1b0,804b720,0,180,e614cd30) at kern_mkfifo+0x2d6
mkfifo(c3dac1b0,e614cd04,e614cccc,c0687740,c3dac1b0) at mkfifo+0x15
syscall(3b,3b,3b,2805188c,bfbfe908) at syscall+0x27e

and

panic(c08d94f3,d756ca70,c382edb0,e643d76c,c06cd39e) at panic+0x54
bremfree(d756ca70) at bremfree+0x45
getblk(c382ed34,227580,0,4000,0) at getblk+0x15a
breadn(c382ed34,227580,0,4000,0) at breadn+0x2f
bread(c382ed34,227580,0,4000,0,e643d82c,c3751558,0,...) at bread+0x20
ffs_alloccg(c434f630,6,89d38,0,4000,c3751558,1,...) at ffs_alloccg+0x11d
ffs_hashalloc(c434f630,6,89d38,0,4000) at ffs_hashalloc+0x43
ffs_realloccg(c434f630,0,0,8abee,0) at ffs_realloccg+0x541
ffs_balloc_ufs2(c4719c30,1000,0,1000,c3b82c00) at ffs_balloc_ufs2+0xd89
ffs_write(e643db9c,0,0,c097efe0,e643db50) at ffs_write+0x2ac
VOP_WRITE_APV(c098ab00,e643db9c) at VOP_WRITE_APV+0x112
vn_write(c6caadc8,e643dc64,c3b82c00,0,c411fa20) at vn_write+0x1ea
dofilewrite(c411fa20,4,c6caadc8,e643dc64,ffffffff) at dofilewrite+0x7b
kern_writev(c411fa20,4,e643dc64,bfbfd7d0,1000) at kern_writev+0x36
write(c411fa20,e643dd04,e643dccc,c0687740,c411fa20) at write+0x45
syscall(2805003b,bfbf003b,bfbf003b,2805188c,bfbfe90c) at syscall+0x27e

More details at http://people.freebsd.org/~pho/stress/log/cons199.html
-- 
Peter Holm