I have 4 servers with Ubuntu 20.04.2 with more than 5 physical ethernets
interfaces each (one of then has 18 ethernets) and I had the problem
with 2 of them.
I can give you access to one of the servers with bug if needed. It's not
in production yet and I can cleanup everything after debug.
I
** Changed in: systemd (Ubuntu Focal)
Status: Invalid => Confirmed
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https://bugs.launchpad.net/bugs/1912331
Title:
Many interfaces lead to "kernel receive buffer overrun"
To
** Summary changed:
- booting from grub uefi pxe and chainloader to ipxe.efi via network doesn't
work in recent versions
+ booting from grub uefi pxe and chainloading to ipxe.efi via network doesn't
work in recent versions
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Rewrite title to better explain what is going on.
** Summary changed:
- Chainloader to ipxe.efi over uefi pxe doesn't work
+ booting from grub uefi pxe and chainloader to ipxe.efi via network doesn't
work in recent versions
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Increasing the ReceiveBuffer=128M or ReceiveBuffer=512M didn't solve the
problem for me.
I'm interested to systemd patched backported to focal too.
See my config files.
** Attachment added: "config files"
https://bugs.launchpad.net/systemd/+bug/1912331/+attachment/5482905/+files/config.zip
Public bug reported:
Hi,
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http://archive.ubuntu.com/ubuntu/dists/focal/main/uefi/grub2-amd64/current/grubnetx64.efi.signed
over uefi pxe and trying to chainloader to remote ipxe.efi hangs the machine
(I tested using a lot of different real machines) at
kern/disk.c:295: closing `tftp'.
I can reproduce the segmentation fault.
When I rotate a image using evernote desktop app throught reminna
Windows RDP session, the error occurs.
Thanks
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