Re: [Crash-utility] crash does not work with last fedora kernels?

Message: 3 Date: Mon, 26 Apr 2021 11:27:40 +0300 From: Vasily Averin <vvs(a)virtuozzo.com&gt; To: crash-utility(a)redhat.com Subject: [Crash-utility] crash does not work with last fedora kernels? Message-ID: <8f8782a9-3da6-5d3c-c509-8b8ec8a30957(a)virtuozzo.com&gt; Content-Type: text/plain; charset=utf-8 It looks like Fedora kernels uses gcc11 and generates debuginfo in DWARF 5 format. [root@localhost ~]# rpm -q crash crash-7.2.9-5.fc35.x86_64 [root@localhost ~]# uname -a Linux localhost.localdomain 5.11.12-300.fc34.x86_64 #1 SMP Wed Apr 7 16:31:13 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux [root@localhost ~]# crash -1 Dwarf Error: wrong version in compilation unit header (is 5, should be 2, 3, or 4) [in module /usr/lib/debug/usr/lib/modules/5.11.12-300.fc34.x86_64/vmlinux] crash: gdb_session_init: pulling in debug data by accessing init_mm.mmap Dwarf Error: wrong version in compilation unit header (is 5, should be 2, 3, or 4) [in module /usr/lib/debug/usr/lib/modules/5.11.12-300.fc34.x86_64/vmlinux] crash: /usr/lib/debug/lib/modules/5.11.12-300.fc34.x86_64/vmlinux: no debugging data available [root@localhost ~]# ls -al /usr/lib/debug/lib/modules/5.11.12-300.fc34.x86_64/vmlinux -rwxr-xr-x. 1 root root 679679112 Apr 7 20:14 /usr/lib/debug/lib/modules/5.11.12-300.fc34.x86_64/vmlinux [root@localhost ~]# rpm -qf /usr/lib/debug/lib/modules/5.11.12-300.fc34.x86_64/vmlinux kernel-debuginfo-5.11.12-300.fc34.x86_64 NB: last fc35 does not work too.

Thank you, Vasily Averin