On 2020-11-30 18:53:44 [+0100], To Thomas Gleixner wrote: > Known issues > - It has been pointed out that due to changes to the printk code the > internal buffer representation changed. This is only an issue if tools > like `crash' are used to extract the printk buffer from a kernel memory > image.
I'm going to drop this in the next release. According to John, progress has been made now that the ringbuffer changes were merged upstream: - makedumpfile https://github.com/makedumpfile/makedumpfile/commit/c617ec63339222f3a44d73e36677a9acc8954ccd Should be part of to be released 1.6.9 - kexec-tools https://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git/commit/?id=4149df9005f2cdd2ecf70058dfe7d72f48c3a68c Should be part of a post v2.0.20 release. - crash https://github.com/crash-utility/crash/commit/a5531b24750e7949c35640d996ea14c0587938bc Has been merged into the 7.3.0 development phase a few hours ago. - Tools shipped by the kernel - lx-dmesg (gdb helper script) in scripts/gdb/linux - dmesg (gdb macro) Documentation/admin-guide/kdump/gdbmacros.txt will be part of the v5.10 release. Sebastian
