[gPXE-devel] [PATCH] [sky2] Disable interrupts by default

[Gilles Martin]

Le mardi 03 août 2010 à 09:28 +0100, Stefan Hajnoczi a écrit :
> On Tue, Aug 3, 2010 at 8:50 AM, Gilles Martin <gilles.martin at psi.ch> wrote:
> > 2. With the undionly.kpxe it works but not very well:
> >
> > dhcp net0
> > chain http://myserver/undionly.kpxe
> >
> > This runs fine.
> >
> > dhcp net0 gives systematically first time it runs a timeout (I tried
> > several times):
> >
> > dhcp net0 (net0 00:17:42:1d:29:b7).............. Connection timed out
> > (0x4c106035)
> > Could not configure net0: Connection timed out (0x4c106035)
> > Could not configure any interface.
> > gPXE> dhcp net0
> > DHCP (net0 00:17:42:1d:29:b7)....ok
> >
> > And then it loads the Tiny Core Linux without any problems.
> 
> I wonder if interrupts aren't working the first time around.  Tests to
> reveal more:
> 
> 1. Instead of running the first DHCP, just use ifopen net0 and then
> wait for 1 minute.  Then try dhcp net0.  If the dhcp succeeds then
> this may be a link or Spanning Tree Protocol issue (although I'm not
> sure because undionly.kpxe was loaded successfully in the first
> place).

I tried this, waited 2 minutes, and this doesn't change anything.

> 
> 2. Run two DHCPs but hit Ctrl+C to abort the first DHCP right away.
> Then run dhcp net0 again.  If the second DHCP works, then the issue
> may be a sky2 lifecycle issue where interrupts don't work until we do
> DHCP the second time.

This is working well.

> 
> 3. Build with debug messages: make DEBUG=sky2:10.  The output during
> the first dhcp would be interesting.

I don't know how to capture debug messages, that's my problem...

--
Gilles