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 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.
Michael
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