On Wed, Jul 14, 2021 at 04:29:08PM -0700, Michael wrote: > On 7/14/21 3:06 PM, Craig Perry wrote: > > Hello, > > > > I'm battling a little bit with a weird PXE Boot issue - i can pxeboot > > ubuntu 20.04 just fine but not 21.04. When booting 20.04 (which works > > just fine) the behaviour i see is: > > > > 1. transfers vmlinuz kernel image via tftp - OK > > 2. transfers initrd image via tftp - OK > > 3. Kernel boots, mounts the initial ramdisk then that's the end of tftp > > stuff, everything thereafter happens over http and it's fine > > > > However, when booting 21.04, the behaviour i see is: > > > > 1. transfers vmlinuz kernel image via tftp - OK > > 2. transfers initrd image via tftp - FAILS, always near the end of the > > file transfer > > > > The 20.04's initrd is 80mb in size, 21.04's is 99mb. > > > > Its been a long time since I have done any PXE builds, but I remember seeing > something like this in the past. So take my response with a grain of salt > :) > > > What PXE boot manager are you using?
I recomment https://ipxe.org/ BootROM downloads (over TFTP) and starts iPXE executable. iPXE downloads over HTTP or HTTPS kernel & initrd and starts them. > I believe in the pxelinux.cfg file > ( or similar ) you typically set ramdisk_size=<blah> and that needs to have > enough room to hold the initrd. You might want to check to see if yours is > big enough for the larger initrd. Yes, be aware of RAM lay-out. Groeten Geert Stappers -- Silence is hard to parse _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
