Re: NetBSD 5.1 RC1 wm0 with Xen 4.0.0

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

> >> wm0 at pci0 dev 4 function 0: Intel i82540EM 1000BASE-T Ethernet, rev 3
> >> wm0: interrupting at ioapic0 pin 32
> >> wm0: 32-bit 33Mhz PCI bus
> >> wm0: No EEPROM
> >> wm0: unable to read Ethernet address
> > 
> > Just FYI, qemu-0.12.3 seems to have the similar problem:
> 
> Since I am based on qemu-0.11.0 it is maybe the reason why.... :)
> 
> Maybe NetBSD can handle better a different nic?

Or fix qemu?


--- qemu-0.12.3/hw/e1000.c.orig 2010-02-24 05:54:38.000000000 +0900
+++ qemu-0.12.3/hw/e1000.c      2010-05-08 01:29:53.000000000 +0900
@@ -259,6 +259,12 @@
 
     s->eecd_state.old_eecd = val & (E1000_EECD_SK | E1000_EECD_CS |
             E1000_EECD_DI|E1000_EECD_FWE_MASK|E1000_EECD_REQ);
+    if ((E1000_EECD_CS & (val ^ oldval))) {    // EEPROM reset on CS edge
+       s->eecd_state.bitnum_in = 0;
+       s->eecd_state.bitnum_out = 0;
+       s->eecd_state.reading = 0;
+       return;
+    }
     if (!(E1000_EECD_SK & (val ^ oldval)))     // no clock edge
         return;
     if (!(E1000_EECD_SK & val)) {              // falling edge


---
Izumi Tsutsui