bge/BCM5704 crashes current

Hi,
	I trying out an IBM X3455 which has 2 Broadcom BCM5704.
they work ok under -stable, but -current just reboots without a trace,
no panic, no nothing - actually some garbage on the serial port.
I tried wit/and without msi.

this is what i get under -stable:
bge0_at_pci2:1:0:  class=0x020000 card=0x02a61014 chip=0x164814e4 rev=0x10 
hdr=0x00
    vendor     = 'Broadcom Corporation'
    device     = 'BCM5704 NetXtreme Dual Gigabit Adapter'
    class      = network
    subclass   = ethernet
    cap 07[40] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split 
transaction
    cap 01[48] = powerspec 2  supports D0 D3  current D0
    cap 03[50] = VPD
    cap 05[58] = MSI supports 8 messages, 64 bit 
bge1_at_pci2:1:1:  class=0x020000 card=0x02a61014 chip=0x164814e4 rev=0x10 
hdr=0x00
    vendor     = 'Broadcom Corporation'
    device     = 'BCM5704 NetXtreme Dual Gigabit Adapter'
    class      = network
    subclass   = ethernet
    cap 07[40] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split 
transaction
    cap 01[48] = powerspec 2  supports D0 D3  current D0
    cap 03[50] = VPD
    cap 05[58] = MSI supports 8 messages, 64 bit