kernel-packages team mailing list archive

[Seth Forshee <seth.forshee+lp@xxxxxxxxxxxxx>]

Chili_Man: I've been looking at the xen-netfront driver which produces
the panic, and as far as I can tell this is a bug elsewhere in the
networking stack and not in xen-netfront. Exactly where the problem
comes from is still unknown, as the panic is disconnected from the
source of the bad data.

However if true I should be able to produce similar data without using
Xen. I've built a modified kernel which will hopefully detect the bad
data when it is created and point to the code which created it. I'm
running this right now in a kvm virtual machine with a minimal
haproxy/nginx setup and downloading a large file from the VM in a tight
loop. If you can provide more details about your setup I may be able to
tweak my test to more closely match your use case.

It would also be helpful if you could reproduce the issue while running
with my modified kernel and then give me the kernel log. I've uploaded
the package to the location below if you're able to try it out. You
probably need only the linux-image package and not linux-image-extra,
though the safest bet is to see what you already have installed and
install the same thing.

http://people.canonical.com/~sforshee/lp1275879/linux-3.11.0-17.31+lp1275879v201402101139/

Thanks!

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1275879

Title:
  Kernel panic

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I run ubuntu servers 13.04 and 13.10 on the AWS cloud. Whenever I
  install haproxy and nginx on the same server, after hitting it for a
  while, a kernel panic is caused. However, the kernel panic does not
  show up in ubuntu 12.04.  The kernel panic is pasted at the end of the
  attachment.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1275879/+subscriptions