Got this on an Alpha DS20 (dual 500 EV6's) running HEAD from 3/9 while doing a loop of buildworld -j 8 with 4BSD but no PREEMPTION: login: VNASSERT failed 0xfffffc0025f68d90: tag ufs, type VFIFO usecount 24, writecount 24, refcount 0 mountedhere 0xfffffc0000a1f600 flags () VI_LOCKed v_object 0 ino 9420, on dev da1a, fifo with 23 readers and 23 writers panic: vrele: missed vn_close cpuid = 0 KDB: enter: panic [thread pid 31057 tid 100224 ] Stopped at kdb_enter+0x48: or zero,zero,zero <zero=0x0> db> tr Tracing pid 31057 tid 100224 td 0xfffffc002282aa80 kdb_enter() at kdb_enter+0x48 panic() at panic+0x210 vrele() at vrele+0x98 vn_close() at vn_close+0xd4 vn_closefile() at vn_closefile+0x11c fifo_close_f() at fifo_close_f+0x1c fdrop_locked() at fdrop_locked+0xe4 fdrop() at fdrop+0x4c closef() at closef+0x460 close() at close+0x278 syscall() at syscall+0x38c XentSys() at XentSys+0x64 --- syscall (6, FreeBSD ELF64, close) --- --- user mode --- db> x 0xfffffc0025f68d90,40 0xfffffc0025f68d90: 7 0 65b789 fffffc00 0xfffffc0025f68da0: 6d5638 fffffc00 31c540d0 fffffc00 0xfffffc0025f68db0: ba6c00 fffffc00 234941f0 fffffc00 0xfffffc0025f68dc0: 2a6fa218 fffffc00 a1f600 fffffc00 0xfffffc0025f68dd0: 0 0 bedc138 fffffc00 0xfffffc0025f68de0: bedc158 fffffc00 a532b 0 0xfffffc0025f68df0: 25f68d90 fffffc00 0 0 0xfffffc0025f68e00: 0 0 0 0 0xfffffc0025f68e10: 0 0 0 0 0xfffffc0025f68e20: 709650 fffffc00 1000040 0 0xfffffc0025f68e30: 0 500000 65b789 fffffc00 0xfffffc0025f68e40: 34 0 ffffffff ffffffff 0xfffffc0025f68e50: 0 0 6bf1b8 fffffc00 0xfffffc0025f68e60: 65d63d fffffc00 65d63d fffffc00 0xfffffc0025f68e70: 30000 0 0 0 0xfffffc0025f68e80: 0 0 0 0 -- John Baldwin <jhb_at_FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.orgReceived on Fri Mar 11 2005 - 13:50:08 UTC
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