>>>>>> o Support new kernels - The supported kernel is updated to 4.1 in >>>>>> this version. At first I'm going to extend the supported version to >>>>>> 4.2, but I found an issue that makedumpfile seems to exclude >>>>>> necessary pages by mistake on linux 4.2. When crash-7.1.3 reads >>>>>> that filtered dump file, the following message is shown. >>>>>> >>>>>> crash: page excluded: kernel virtual address: f3fe0000 type: >>>>>> "fill_task_struct" >>>>>> >>>>>> This will be fixed in the next version. >>>>> >>>>> Have you fixed the 4.2 kernel issue already or you intend to work on >>>>> it in the future ? >>>> >>>> I haven't done anything yet, I was going to work from now. >>>> >>>>> Both Debian and Ubuntu run 4.2 kernel so if waiting for a fix is >>>>> acceptable I would rather bring in a 1.5.9 + patch version. >>>> >>>> So it will be helpful if you can do it. >>>> >>>> >>>> Thanks, Atsushi Kumagai >>>> >>> >>> That is perfect. Just let me know once you have identified a fix and I >>> will include it in the new package. >> >> I confirmed that there is no problem in makedumpfile, so you don't need to >> update your makedumpfile packages. >> >> That was a crash side issue and the problem is still under discussion. The >> warning I reported first is going to be solved in the next crash version, >> but "struct" and "task" commands with task_struct (or some corresponding >> fields) can fail if a dumpfile of linux 4.2 is filtered. >> >> You should see this thread for more details: >> >> https://www.redhat.com/archives/crash-utility/2015-November/msg00021.html >> >> >> Thanks, Atsushi Kumagai >> > >As I understand it, 1.5.9 will work fine on 4.2 kernels. But as the released >source stand, 1.5.9 only supports up to 4.1. Should I simply go ahead and >"manually" add support statement for 4.2 (in README & makedumpfile.h) or you >prefer to change it in your git tree ? I've updated the git tree, you can pick up the commit: commit 1c01d4bfb383c10a97e256f4a6cbf1d92ed133f6 Author: Atsushi Kumagai <ats-kumagai at wm.jp.nec.com> Date: Tue Nov 24 10:50:07 2015 +0900 [PATCH] Support newer kernels. A new makedumpfile supports newer kernels: - 4.2 (x86 FLATMEM) - 4.2 (x86 SPARSEMEM) - 4.2 (x86_64 SPARSEMEM) Signed-off-by: Atsushi Kumagai <ats-kumagai at wm.jp.nec.com> Thanks, Atsushi Kumagai
