------- Comment From pavsu...@in.ibm.com 2018-06-22 01:58 EDT------- I have downloaded and installed the test kernel on the machine.
root@ltc-wspoon11:~/lp1777857# ls -l total 48232 -rwxrwxrwx 1 root root 6153264 Jun 20 09:02 linux-image-unsigned-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb -rwxrwxrwx 1 root root 11767916 Jun 20 09:02 linux-modules-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb -rwxrwxrwx 1 root root 31445160 Jun 20 09:02 linux-modules-extra-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb root@ltc-wspoon11:~/lp1777857# dpkg -i linux-modules-extra-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb (Reading database ... 203277 files and directories currently installed.) Preparing to unpack linux-modules-extra-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb ... Unpacking linux-modules-extra-4.15.0-23-generic (4.15.0-23.26~lp1777857) over (4.15.0-23.25) ... Setting up linux-modules-extra-4.15.0-23-generic (4.15.0-23.26~lp1777857) ... Processing triggers for linux-image-4.15.0-23-generic (4.15.0-23.25) ... /etc/kernel/postinst.d/initramfs-tools: update-initramfs: Generating /boot/initrd.img-4.15.0-23-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast /etc/kernel/postinst.d/kdump-tools: kdump-tools: Generating /var/lib/kdump/initrd.img-4.15.0-23-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast /etc/kernel/postinst.d/zz-update-grub: Generating grub configuration file ... Found linux image: /boot/vmlinux-4.15.0-23-generic Found initrd image: /boot/initrd.img-4.15.0-23-generic Found linux image: /boot/vmlinux-4.15.0-22-generic Found initrd image: /boot/initrd.img-4.15.0-22-generic done root@ltc-wspoon11:~/lp1777857# dpkg -i linux-modules-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb (Reading database ... 203277 files and directories currently installed.) Preparing to unpack linux-modules-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb ... Unpacking linux-modules-4.15.0-23-generic (4.15.0-23.26~lp1777857) over (4.15.0-23.25) ... Setting up linux-modules-4.15.0-23-generic (4.15.0-23.26~lp1777857) ... Processing triggers for linux-image-4.15.0-23-generic (4.15.0-23.25) ... /etc/kernel/postinst.d/initramfs-tools: update-initramfs: Generating /boot/initrd.img-4.15.0-23-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast /etc/kernel/postinst.d/kdump-tools: kdump-tools: Generating /var/lib/kdump/initrd.img-4.15.0-23-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast /etc/kernel/postinst.d/zz-update-grub: Generating grub configuration file ... Found linux image: /boot/vmlinux-4.15.0-23-generic Found initrd image: /boot/initrd.img-4.15.0-23-generic Found linux image: /boot/vmlinux-4.15.0-22-generic Found initrd image: /boot/initrd.img-4.15.0-22-generic done root@ltc-wspoon11:~/lp1777857# dpkg -i --force-all linux-image-unsigned-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb dpkg: regarding linux-image-unsigned-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb containing linux-image-unsigned-4.15.0-23-generic: linux-image-unsigned-4.15.0-23-generic conflicts with linux-image-4.15.0-23-generic linux-image-4.15.0-23-generic (version 4.15.0-23.25) is present and installed. dpkg: warning: ignoring conflict, may proceed anyway! dpkg: regarding linux-image-unsigned-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb containing linux-image-unsigned-4.15.0-23-generic: linux-image-4.15.0-23-generic conflicts with linux-image-unsigned-4.15.0-23-generic linux-image-unsigned-4.15.0-23-generic (version 4.15.0-23.26~lp1777857) is to be installed. dpkg: warning: ignoring conflict, may proceed anyway! (Reading database ... 203259 files and directories currently installed.) Preparing to unpack linux-image-unsigned-4.15.0-23-generic_4.15.0-23.26~lp1777857_ppc64el.deb ... Unpacking linux-image-unsigned-4.15.0-23-generic (4.15.0-23.26~lp1777857) ... dpkg: warning: overriding problem because --force enabled: dpkg: warning: trying to overwrite '/boot/vmlinux-4.15.0-23-generic', which is also in package linux-image-4.15.0-23-generic 4.15.0-23.25 Setting up linux-image-unsigned-4.15.0-23-generic (4.15.0-23.26~lp1777857) ... Processing triggers for linux-image-4.15.0-23-generic (4.15.0-23.25) ... /etc/kernel/postinst.d/initramfs-tools: update-initramfs: Generating /boot/initrd.img-4.15.0-23-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast /etc/kernel/postinst.d/kdump-tools: kdump-tools: Generating /var/lib/kdump/initrd.img-4.15.0-23-generic W: Possible missing firmware /lib/firmware/ast_dp501_fw.bin for module ast /etc/kernel/postinst.d/zz-update-grub: Generating grub configuration file ... Found linux image: /boot/vmlinux-4.15.0-23-generic Found initrd image: /boot/initrd.img-4.15.0-23-generic Found linux image: /boot/vmlinux-4.15.0-22-generic Found initrd image: /boot/initrd.img-4.15.0-22-generic done Processing triggers for linux-image-unsigned-4.15.0-23-generic (4.15.0-23.26~lp1777857) ... Then rebooted the Linux HOST to get to the new test kernel. root@ltc-wspoon11:~# uname -a Linux ltc-wspoon11 4.15.0-23-generic #26~lp1777857 SMP Wed Jun 20 13:55:21 UTC 2018 ppc64le ppc64le ppc64le GNU/Linux I have executed the hwclock RTC driver tests and not seeing any rcu_sched messages in the dmesg. So, with the test kernel the fixes are working fine. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1777857 Title: [LTCTest][OPAL][OP920] INFO: rcu_sched self-detected stall on CPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1777857/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs