missing support for Geode/CS5535 hardware watchdog

Bug #1384319 reported by Paolo Pisati
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Paolo Pisati

Bug Description

SRU Justification:

Impact: the AMD Geode is a x86 SOC processor containing, among other things, an hardware watchdog but
as it stands now, we don't compile the necessary code to support it in the Precise kernel.

Fix: compile the GEODEWDT driver and the timer code (CS5535_MFGPT).

Testcase: install a kernel with the driver compiled as a module, load it and look for the presence of /dev/watchdog:

sudo modprobe geodewdt

[ 344.011123] cs5535-mfgpt cs5535-mfgpt: registered timer 0

ls -la /dev/watchdog
crw------- 1 root root 10, 130 Oct 22 17:54 /dev/watchdog


Paolo Pisati (p-pisati)
description: updated
description: updated
description: updated
description: updated
Revision history for this message
Brad Figg (brad-figg) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1384319

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Changed in linux (Ubuntu):
importance: Undecided → Medium
status: Incomplete → Triaged
Tim Gardner (timg-tpi)
Changed in linux (Ubuntu):
status: Triaged → Invalid
Changed in linux (Ubuntu Precise):
assignee: nobody → Paolo Pisati (p-pisati)
status: New → Fix Committed
Revision history for this message
Steve Langasek (vorlon) wrote :

The Precise Pangolin has reached end of life, so this bug will not be fixed for that release

Changed in linux (Ubuntu Precise):
status: Fix Committed → Won't Fix
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