Hi, On 08/19/2015 12:02 PM, Baoquan He wrote: > On 08/19/15 at 09:21am, Nikolay Borisov wrote: >> Hello, >> >> I've recently noticed that when creating crashdumps the dmesg is not >> being saved. The error reported is this: "Missing the struct log size >> export". I've tested with both kernel 4.1.1 and 3.12.28. My version of >> kexec tools is : kexec-tools 2.0.9 released 04 June 2015. The kernel has >> been compiled with debugging info so the respective symbol should be >> exported but apparently it is not. Any ideas how to debug that? > > That would be more helpful if you can attach the 1st kernel and kdump > kernel console log. I just tested with 4.1.6 with the same result. I'm sending you a link to the bzImage in question http://georgi.unixsol.org/cruft/tmp/bzImage-4.1.6-clouder1 ( I assume you meant the bzImage, if you need I can provide the vmlinux as well). Unfortunately, I couldn't figure how to obtain the log of kdump in textual format (and didn't want to send pictures). Here are the 3 relevant lines (from memory): Saving vmcore-dmesg.txt Missing the struct log size export Error saving vmcore-dmesg.txt. Yet, when I load the crashdump inside the 'crash' utility and invoke the 'log' command the dmesg log is there. Whereas the vmcore-dmesg-incomplete.txt is empty. > >> >> [Please CC me as I'm not subscribed to the mailing list.] >> >> Regards, >> Nikolay >> >> _______________________________________________ >> kexec mailing list >> kexec at lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/kexec
