Yes, I tried disable NAPI. But it didn't work still.

And I wonder how KGDB work _without_kgdb, it hook to netpoll when debug start.

Does kgdb have any restriction on NIC selection, e.g. does RealTek
8139 work with it?

Thanks
-yechun

On 9/18/06, Amit S. Kale <[EMAIL PROTECTED]> wrote:
> Did you try disabling NAPI? NAPI doesn't work with KGDB for legacy reasons.
>
> -Amit
>
>
> On Tuesday 12 September 2006 18:23, Yan, Yechun wrote:
> > Hi all,
> >
> > I am using kgdb-2.6.16 with kernel 2.6.16, all patched. Hardware:
> > Presler [PD 820?] + ICH7 + E1000.
> >
> > Debug through serial port is OK for me. But it never work over
> > ethernet, neither e1000 driver built-in kernel and as a modules.
> >
> > Boot parameter:
> > kernel /boot/vmlinuz-2.6.16 ro root=/dev/hda1
> > [EMAIL PROTECTED]/,@192.168.1.201/ console=ttyS0,115200 kgdbwait
> >
> > both Netpoll and NAPI for e1000 are enabled.
> >
> > Boot message:
> > <driver built-in, and  boot message
> >
> > kgdboe: local port 6443
> > kgdboe: local IP 192.168.1.200
> > kgdboe: interface eth0
> > kgdboe: remote port 6442
> > kgdboe: remote IP 192.168.1.201
> > kgdboe: remote ethernet address ff:ff:ff:ff:ff:ff
> > kgdboe: device eth0 not up yet, forcing it
> > kgdboe: timeout waiting for carrier
> > e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
> > kgdboe: debugging over ethernet enabled
> > ....
> > ....
> > /boot message>
> >
> > When I open gdb and try to connect to target machine, always got
> > refused (target NIC is working) or timeout (target NIC miss connection
> > with network).
> >
> > Is there anything I missed?
>


-- 
Thanks
-yechun

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