Please try this and give us a feedback: https://github.com/lian-bo/crash-gdb10.2-devel-temp
On 7/28/21, 1:23 PM, "Alexey Makhalov" <[email protected]> wrote: DWARF-5 support was added in GDB-8.0. There GDB update to version 10.2 is going on right now. It will solve the issue of kernels built with dwarf-5 debuginfo. Thanks, --Alexey On 7/28/21, 11:14 AM, "[email protected] on behalf of David Wysochanski" <[email protected] on behalf of [email protected]> wrote: On Wed, Apr 28, 2021 at 8:54 AM lijiang <[email protected]> wrote: > > 在 2021年04月26日 19:17, [email protected] 写道: > > Message: 3 > > Date: Mon, 26 Apr 2021 11:27:40 +0300 > > From: Vasily Averin <[email protected]> > > To: [email protected] > > Subject: [Crash-utility] crash does not work with last fedora kernels? > > Message-ID: <[email protected]> > > 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 for reporting this issue, Vasily. > > The DWARF-5 caused this failure. I will have a look and try to handle this issue later. > > Thanks. > Lianbo > What's the status of this issue? Is this due to needing updated embedded gdb or something else? -- Crash-utility mailing list [email protected] https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Flistman.redhat.com%2Fmailman%2Flistinfo%2Fcrash-utility&data=04%7C01%7Camakhalov%40vmware.com%7C8d26f5842b154772d90408d951f382b3%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C1%7C637630928577967777%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=BVOnPv%2Fv5iR2IS%2BF3Algps7Lg7f%2BMis2MQVa5fgwyr8%3D&reserved=0 -- Crash-utility mailing list [email protected] https://listman.redhat.com/mailman/listinfo/crash-utility
