I think I saw something about this combination some time ago, is it
supposed to work?

...
tga0 at pci0 dev 12 function 0: TGA2 pass 2, board type T8-02
tga0: 1280 x 1024, 8bpp, Bt485 RAMDAC
tga0: interrupting at dec 550 irq 8
wsdisplay0 at tga0
...
# startx

open frame buffer (/dev/ttyE0), ret = 1
open frame buffer (/dev/ttyE1), ret = 0
open frame buffer (/dev
fatal kernel trap:

    trap entry = 0x2 (memory management fault)
    a0         = 0x0
    a1         = 0x1
    a2         = 0xffffffffffffffff
    pc         = 0x0
    ra         = 0xfffffc000057ce14
    curproc    = 0xfffffc00010bd900
        pid = 196, comm = XalphaNetBSD

panic: trap
Stopped in XalphaNetBSD at      cpu_Debugger+0x4:       ret     zero,(ra)
db> t
cpu_Debugger() at cpu_Debugger+0x4
panic() at panic+0xfc
trap() at trap+0x51c
XentMM() at XentMM+0x20
--- memory management fault (from ipl 4) ---
*ABS*() at          0
tga_intr() at tga_intr+0xd4
alpha_shared_intr_dispatch() at alpha_shared_intr_dispatch+0x6c
dec_550_iointr() at dec_550_iointr+0x68
interrupt() at interrupt+0x1c8
XentInt() at XentInt+0x1c
--- interrupt (from ipl 1) ---
esigcode() at esigcode+0x6c
prologue botch: displacement 216
XentInt() at XentInt+0x1c
--- interrupt (from ipl 0) ---
*ABS*() at          0
mountroot() at mountroot+0x8008
--- root of call graph ---
db> 

/Johan