I just upgraded my PIII 750 to tonight's -CURRENT, and it panics right after creating GEOM disks for da0 and cd0:
Waiting 8 seconds for SCSI devices to settle
GEOM: create disk cd0 dp=0xc5174600
GEOM: create disk da0 dp=0xc516ec50
panic: pmap_zero_page: CMAP3 busy
Here is the stack trace (copied from screen):
Debugger("panic")
Stopped at Debugger+0x54: xchgl %ebx,in_Debugger.0
Debugger(c066ccee,c06c3720,c067b95d,dd194ca0,100) at Debugger+0x54
panic(c067b95d,c0c601b8,dd194cc8,c05f3098,c0c601b8) at panic+0xd5
pmap_zero_page_idle(c0c601b8,0,0,4,0) at pmap_zero_page_idle+0x1c
vm_page_zero_idle(dd194ce8,c5165000,e8200003,5c70000,3cfbc) at
vm_page_zero_idle+0xe8
vm_pagezero(0,dd194d48,3cfd805,83c20100,15890fe2) at vm_pagezero+0x172
fork_exit(c05f31e0,0,dd194d48) at fork_exit+0xb1
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xdd194d7c, ebp = 0 ---
I leave the machine in DDB in case anyone needs more info. Thanks.
Joe
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