bhyve/e1000: Assertion failed: (dtype == ntype), function e82545_transmit with win10 guest

[Yuri Pankov]

Yuri Pankov wrote:
> I'm getting the following periodically when Windows 10 (2004) guest is 
> booting:
> 
> Assertion failed: (dtype == ntype), function e82545_transmit, file 
> /usr/src/usr.sbin/bhyve/pci_e82545.c, line 1139.
> Abort trap
> 
> It's especially unhelpful when booting the guest first time after 
> installation as it completely breaks it and requires reinstall.
> 
> Running -current r364965.

Adding a WPRINTF() instead of assert() gives me the following:

e82545: dtype=540016640 ntype=0
e82545: dtype=540016640 ntype=0
e82545: dtype=552599552 ntype=0
e82545: dtype=540016640 ntype=0
e82545: dtype=552599552 ntype=0
e82545: dtype=540016640 ntype=0
e82545: dtype=552599552 ntype=0
Segmentation fault