if_dc panics with 3Com OfficeConnect 10/100B PCI

[M. Warner Losh]

In message: <20050816124525.GA31411 at flame.pc>
            Giorgos Keramidas <keramida at freebsd.org> writes:
: I've recently acquired a 3Com 3CSOHO100B-TX NIC, which seems to be supported
: by the ``dc'' driver.  The output of pciconf is:
: 
: % none0 at pci0:10:0:        class=0x020000 card=0x930010b7 chip=0x930010b7 rev=0x31 hdr=0x00
: %     vendor   = '3COM Corp, Networking Division'
: %     device   = '3C910 Integrated Fast Ethernet Controller (3CSOHO100B-TX Compatible)'
: %     class    = network
: %     subclass = ethernet
: 
: When I compile the ``dc'' driver into my kernel or load it as a module
: though, a relatively recent CURRENT (updated yesterday, 14 Aug 2005)
: panics after a port mapping failure.
: 
: The same panic happens when the device is configured into the kernel or
: when I kldload if_dc.  Is anyone else using ``dc'' interfaces on CURRENT
: and seeing similar problems?

Trace?

Warner