------- Comment From hbath...@in.ibm.com 2018-06-05 08:55 EDT------- (In reply to comment #30) > Dump captured successfully on Xenial with makedumpfile verion > 1:1.6.3-2~16.04.1. > Tested successfully with kernel versions linux-image-4.13.0-43-generic & > linux-image-4.15.0-23-generic > > But analyzing the dump failed with the crash tool version 7.1.4-1ubuntu4.2, > shipped > with 16.04.4. Failed with similar errors as reported in launchpad bug > 1746088. > > Using the crash tool version 7.2.1-1 shipped with bionic, was able to > analyze the > dumps successfully. >
Similar story on artful. Captured dump successfully on artful - kernel version linux-image-4.13.0-43-generic, using makedumpfile verion 1:1.6.3-2~17.10.1 But vmalloc address translation failed while analyzing the dump with the crash tool version 7.1.9-1 shipped with 17.10.1. Though, was able to analyze the dump successfully using the crash tool version 7.2.1-1 shipped with bionic. Thanks Hari ** Tags removed: verification-needed verification-needed-artful ** Tags added: verification-done verification-done-artful -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to makedumpfile in Ubuntu. https://bugs.launchpad.net/bugs/1746299 Title: update makedumpfile tool version to v1.6.3 Status in The Ubuntu-power-systems project: In Progress Status in makedumpfile package in Ubuntu: Fix Released Status in makedumpfile source package in Xenial: Fix Committed Status in makedumpfile source package in Artful: Fix Committed Status in makedumpfile source package in Bionic: Fix Released Bug description: [Impact] New upstream kernel versions, as those in linux-hwe package, require a newer makedumpfile to be supported. Otherwise, all copies fallback to copying the entire memory. [Test case] kdump-tools has been installed, system rebooted, then crash trigerred and verified that a small dump file was present on /var/crash/. Tested on amd64 and ppc64le. [Regression potential] Many other bug fixes have been included in the latest version of the package. The changes are supposed to fix these bugs, and have been tested as well. However, as the total of changes is not trivial, there is impact of regression that has been minimized by the tests done. Regression potential of not supporting older kernels has been tested with the kernels shipped on xenial and artful as well. ==================================================================== == Comment: #0 - Hari Krishna Bathini <hbath...@in.ibm.com> - 2018-01-30 10:46:53 == ---Problem Description--- update makedumpfile to latest version v1.6.3 that officially supports up to kernel version 4.14.8. Since makedumpfile is inherently backward compatible, this would not break existing functionality.. Contact Information = hbath...@in.ibm.com ---uname output--- na Machine Type = na ---Debugger--- A debugger is not configured ---Steps to Reproduce--- makedumpfile reports ""The kernel version is not supported" while generating vmcore Also, there is a possibility of bogus address translations in makedumpfile tool with missing upstream patches. Can't be so sure without an exhaustive testing. Instead, it would be a good idea to go with the version which officially supports the kernel version in question. Userspace tool common name: makedumpfile The userspace tool has the following bit modes: 64-bit Userspace rpm: makedumpfile Userspace tool obtained from project website: na *Additional Instructions for hbath...@in.ibm.com: -Attach ltrace and strace of userspace application. == Comment: #1 - Hari Krishna Bathini <hbath...@in.ibm.com> - 2018-01-30 10:49:13 == With kernel version updated to 4.13.0, please update makedumpfile tool version to 1.6.3 which officially supports up to kernel version 4.14.8 [1]. Thanks Hari [1] http://lists.infradead.org/pipermail/kexec/2018-January/019853.html This needs to be tagged for both 16.04.4 & 18.04 releases To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1746299/+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
