ACK: [SRU][Focal][PATCH 0/1] ice: Fix bad register reads
Tim Gardner
tim.gardner at canonical.com
Thu Aug 26 18:36:43 UTC 2021
Acked-by: Tim Gardner <tim.gardner at canonical.com>
On 8/26/21 10:27 AM, Michael Reed wrote:
> From: Michael Reed <Michael.Reed at canonical.com>
>
> BugLink: https://launchpad.net/bugs/1939855
>
> [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
>
>
> Anirudh Venkataramanan (1):
> ice: Fix bad register reads
>
> drivers/net/ethernet/intel/ice/ice_ethtool.c | 3 ---
> drivers/net/ethernet/intel/ice/ice_hw_autogen.h | 3 ---
> 2 files changed, 6 deletions(-)
>
--
-----------
Tim Gardner
Canonical, Inc
More information about the kernel-team
mailing list