Public bug reported: The MediaTek implementation of the sbsa_gwdt watchdog has a race condition where a write to SBSA_GWDT_WRR is ignored if it occurs while the hardware is processing a timeout refresh that asserts WS0.
Discussion upstream: https://lkml.org/lkml/2025/7/8/1771 We will need to backport these patches for 6.11 and 6.14 nvidia kernel. ** Affects: linux-nvidia (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-nvidia in Ubuntu. https://bugs.launchpad.net/bugs/2117095 Title: sbsa_gwdt: seeing reboot due watchdog reset Status in linux-nvidia package in Ubuntu: New Bug description: The MediaTek implementation of the sbsa_gwdt watchdog has a race condition where a write to SBSA_GWDT_WRR is ignored if it occurs while the hardware is processing a timeout refresh that asserts WS0. Discussion upstream: https://lkml.org/lkml/2025/7/8/1771 We will need to backport these patches for 6.11 and 6.14 nvidia kernel. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-nvidia/+bug/2117095/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
