This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-focal

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https://bugs.launchpad.net/bugs/1939855

Title:
  [SRU] Ice driver causes the kernel to crash with Ubuntu 20.04.2 with
  ethtool specific register commands

Status in dellserver:
  Incomplete
Status in focal package in Ubuntu:
  Invalid
Status in linux package in Ubuntu:
  Invalid
Status in focal source package in Focal:
  Invalid
Status in linux source package in Focal:
  Fix Committed

Bug description:
  [Impact]

  When we run the command, ethtool -d <interface_name> with Intel cards (ice 
driver), the kernel crashes because of the ice driver.
  The same works fine with HWE kernel (5.11). Here, we do not see any crash.

  [FIXES]

  ice: Fix bad register reads
  The "ethtool -d" handler reads registers in the ice_regs_dump_list array
  and returns read values back to the userspace.

  commitID:  1fba4a8a92706c89716449b1aab1b6879f438d34

  https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-
  
next.git/commit/drivers/net/ethernet/intel/ice?id=1fba4a8a92706c89716449b1aab1b6879f438d34

  [TESTING]

  Install Focal on a system with an E810 network device.
  Ensure the network device has an IP address and has connectivity
  Run ethtool -d <interface_name>
  Expected result: Prints a register dump for the specified network device

  [REGRESSION RISK]

  The regression risk is low

  [OTHER INFO]

  I have added the fix, built the kernel and tested the fix.

  
https://code.launchpad.net/~mreed8855/ubuntu/+source/linux/+git/focal/+ref/e810_ethtool_fix_next

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