APPLIED[H]: [PATCH 0/1][SRU][H/OEM-5.10/OEM-5.13/U] Fix system hang after unplug tbt dock
kelsey.skunberg at canonical.com
Fri Aug 13 01:10:50 UTC 2021
Applied to Hirsute master-next. Thank you!
On 2021-08-02 18:56:31 , Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1938689
> SRU justification:
> System hang after unplug thunderbolt dock with Intel igc lan.
> igc driver continue reading and writing MMIO address after PCI device is
> This cause system page fault, and system hang.
> Add safe check and prevent reading and writing the MMIO.
> The patch is in maintainer's tree, but not merged to Linus's tree.
> Due to the schedule, send SRU as SAUCE patch.
> Verified on hardware, after unplug the thunderbolt cable,
> system work fine.
> [Where problems could occur]
> It may break the igc driver.
> Aaron Ma (1):
> UBUNTU: SAUCE: igc: fix page fault when thunderbolt is unplugged
> drivers/net/ethernet/intel/igc/igc_main.c | 32 ++++++++++++++---------
> drivers/net/ethernet/intel/igc/igc_ptp.c | 3 ++-
> 2 files changed, 21 insertions(+), 14 deletions(-)
> kernel-team mailing list
> kernel-team at lists.ubuntu.com
More information about the kernel-team