UPGRADE YOUR BROWSER

We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 64586

2014.4 Petalinux - Linux Kernel Clears Hardware Breakpoints

Description

The PetaLinux kernel periodically clears hardware breakpoint registers. 

This breaks JTAG debugging. 

Breakpoints misbehave and do not get triggered.

Solution

The patch attached to the AR should resolve the issue.

Please apply the patch to the Petalinux 2014.4 Kernel.

This issue is already resolved in the Master branch of the Xilinx Linux kernel.

To apply patches to the default kernel, please refer to (Xilinx Answer 55978)

Attachments

Associated Attachments

Name File Size File Type
0001-ARM-zynq-cpuidle-Remove-pointless-code.patch 1 KB PATCH
AR# 64586
Date Created 05/18/2015
Last Updated 06/17/2015
Status Active
Type Known Issues
Tools
  • PetaLinux - 2014.4