Hi, I got today: .... Reader / writer lock error: rw_vector_exit,453: assertion failed: RW_COUNT(rw) != 0
lock address : fffff040f988fa80 current cpu : 2 current lwp : 0xfffff040ea7ba780 owner/count : 000000000000000000 flags : 000000000000000000 panic: lock error: Reader / writer lock: rw_vector_exit,453: assertion failed: RW_COUNT(rw) != 0: lock 0xfffff040f988fa80 cpu 2 lwp 0xfffff040ea7ba780 cpu2: Begin traceback... vpanic() at netbsd:vpanic+0x173 panic() at netbsd:panic+0x3c lockdebug_abort() at netbsd:lockdebug_abort+0x114 rw_vector_exit() at netbsd:rw_vector_exit+0xcf zfs_netbsd_getpages() at zfs:zfs_netbsd_getpages+0x364 VOP_GETPAGES() at netbsd:VOP_GETPAGES+0x58 uvm_fault_internal() at netbsd:uvm_fault_internal+0x18d9 trap() at netbsd:trap+0x480 --- trap (number 6) --- 7c2d2a20ce24: cpu2: End traceback... .... The last few panics I've had on this host were always around the 2.5GB/s Realtek adapter, but this is different apparently. I doubt it is insufficient memory, it is a 16GB machine, but it was building pkgsrc bits at the time. Chavdar -- ----