On Mon, 21 Jan 2013, Patrick Welche wrote: > I have just been experiencing filesystem lock-up with a process in > uvn_fp2, so it may be unrelated to you mpt fiddling... That systems > disks are on ahcisata. > > It can withstand builds of the world, but not GraphicsMagick: > > struct proc * ffff fe81 4c8c 1d10 > uarea * ffff fe81 3d6d 5d80 > vmspace/vm_map ffff fe81 0f23 2470 > > PID LID S CPU FLAGS STRUCT LWP * NAME WAIT > 917 4 3 1 10000080 fffffe8147dac180 gm psem > 917 3 3 2 80 fffffe8147dac5a0 gm psem > 917 2 3 3 10000080 fffffe8147dac9c0 gm psem > 917 1 3 4 10000000 fffffe813b57e160 gm uvn_fp2 > > wmesg psem wchan fffffe81106a1658 > > lwp 1 fffffe813b57e160 pcb fffffe813d6c9d80 > stat 3 flags 10000000 cpu 1 pri 43 > wmesg uvn_fp2 wchan ffff8000003e33f8 > > ? VNODE flags 0x30<MPSAFE,LOCKSWORK> > v_lock ffff fe81 1427 0280 > > but I'm not sure what to look for...
Grab the wchan for the thread waiting in uvn_fp2 and dump it as a vm_page_t. Eduardo
