Default Comment by Bridge ** Attachment added: "Kernel debian package with fix (17.04)" https://bugs.launchpad.net/bugs/1675624/+attachment/4937481/+files/linux-image-4.10.0-13-generic_4.10.0-13.15_ppc64el.deb
-- 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/1675624 Title: ubuntu 17.04: hw-breakpoint in kernel-sapce not working Status in linux package in Ubuntu: Fix Committed Status in linux source package in Zesty: Fix Committed Bug description: How to reproduce: $ sudo cat /proc/kallsyms | grep pid_max c000000001308794 D pid_max $ sudo perf record -a --event=mem:0xc000000001308794 sleep 10 $ dmesg [ 99.095475] Unable to handle hardware breakpoint. Breakpoint at 0xc000000001308794 will be disabled. [ 99.095478] ------------[ cut here ]------------ [ 99.095480] WARNING: CPU: 27 PID: 3306 at /build/linux-VtwHOM/linux-4.10.0/arch/powerpc/kernel/hw_breakpoint.c:277 hw_breakpoint_handler+0x120/0x230 ... System detail: $ uname -a Linux tul163-u1704-qemu 4.10.0-13-generic #15-Ubuntu SMP Thu Mar 9 20:27:28 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux $ cat /etc/*release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=17.04 DISTRIB_CODENAME=zesty DISTRIB_DESCRIPTION="Ubuntu Zesty Zapus (development branch)" == Comment: #1 - Ravikumar B. Bangoria <ravi.bango...@in.ibm.com> - 2017-03-22 04:29:24 == https://patchwork.ozlabs.org/patch/727837/ will solve this issue. == Comment: #2 - SEETEENA THOUFEEK <sthou...@in.ibm.com> - 2017-03-23 01:14:58 == Patch is accepted upstream. https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=e148bd17f48bd17fca2f4f089ec879 I had build kernel package with the patch included and tested and it is working perfect. link to the backport kernel debian package is uploaded in box note https://ibm.ent.box.com/folder/22186913949 under the folder name 152781 == Comment: #3 - SEETEENA THOUFEEK <sthou...@in.ibm.com> - 2017-03-23 01:17:02 == == Comment: #4 - SEETEENA THOUFEEK <sthou...@in.ibm.com> - 2017-03-23 02:17:04 == Backported patch and kernel debian package with patch provided. == Comment: #5 - SEETEENA THOUFEEK <sthou...@in.ibm.com> - 2017-03-23 02:17:52 == debian package is tested locally and verified. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1675624/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp