Re: pxeboot

[David Brownlee <abs%absd.org@localhost>]

On 25 June 2014 16:29, Patrick Welche <prlw1%cam.ac.uk@localhost> wrote:
> On Wed, Jun 18, 2014 at 12:04:53AM +0100, Patrick Welche wrote:
>> On Tue, Jun 17, 2014 at 05:12:48PM +0100, Patrick Welche wrote:
>> > Trying by hand
>> >
>> >   load tftp:miniroot.kmod
>> >   boot tftp:netbsd                          (NetBSD_6.1_STABLE/amd64 
>> > GENERIC)
>> >
>> > gets
>> >
>> >   read header failed: Unknown error: code 60
>>
>> Erratum: it gets:
>>
>>   read text: Input/output error
>
> This seems to be a bug in re(4): I just tried disabling tcp4csum udp4csum
> and ip4csum on the tftp server, and the Input/output error goes away: the
> netbsd-INSTALL.gz kernel boots.
>
> If I subsequently just ifconfig re0 udp4csum, it fails again, i.e., this is
> reproducible.
>
> re0 at pci3 dev 0 function 0: RealTek 8168/8111 PCIe Gigabit Ethernet (rev. 
> 0x06)
> rgephy0 at re0 phy 7: RTL8169S/8110S/8211 1000BASE-T media interface, rev. 5

Random thought - are the request packets all with 0 checksums?