Public bug reported:
[Impact]
Using the SBSA watchdog will crash the OS on ThunderX2 systems. This is not an
issue in current firmware because the SBSA watchdog is not exposed - but it is
likely to be introduced in a future update.
[Test Case]
$ sudo bash
# cat < /dev/watchdog
[Regression Risk]
The fix is restricted the sbsa_gwdt driver, which is only currently available
on some arm64 servers.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
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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/1755595
Title:
sbsa watchdog crashes thunderx2 system
Status in linux package in Ubuntu:
New
Status in linux source package in Artful:
New
Status in linux source package in Bionic:
New
Bug description:
[Impact]
Using the SBSA watchdog will crash the OS on ThunderX2 systems. This is not
an issue in current firmware because the SBSA watchdog is not exposed - but it
is likely to be introduced in a future update.
[Test Case]
$ sudo bash
# cat < /dev/watchdog
[Regression Risk]
The fix is restricted the sbsa_gwdt driver, which is only currently available
on some arm64 servers.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1755595/+subscriptions
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