On Wed, Jul 28, 2021 at 4:25 PM Alexey Makhalov <amakhalov@xxxxxxxxxx> wrote: > > Please try this and give us a feedback: > https://github.com/lian-bo/crash-gdb10.2-devel-temp > I'm seeing a lot of "invalid input" displayed like the below when using 'bt' command. Is this a known issue? bt: invalid input: "jne" bt: invalid input: "mov" bt: invalid input: "movl" bt: invalid input: "jne" bt: invalid input: "jne" bt: invalid input: "jne" bt: invalid input: "rep" bt: invalid input: "je" bt: invalid input: "je" bt: invalid input: "je" bt: invalid input: "call" bt: invalid input: "call" bt: invalid input: "jne" bt: invalid input: "call" bt: invalid input: "call" bt: invalid input: "movl" bt: invalid input: "mov" bt: invalid input: "jne" bt: invalid input: "mov" bt: invalid input: "je" bt: invalid input: "call" > On 7/28/21, 1:23 PM, "Alexey Makhalov" <amakhalov@xxxxxxxxxx> 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, "crash-utility-bounces@xxxxxxxxxx on behalf of David Wysochanski" <crash-utility-bounces@xxxxxxxxxx on behalf of dwysocha@xxxxxxxxxx> wrote: > > On Wed, Apr 28, 2021 at 8:54 AM lijiang <lijiang@xxxxxxxxxx> wrote: > > > > 在 2021年04月26日 19:17, crash-utility-request@xxxxxxxxxx 写道: > > > Message: 3 > > > Date: Mon, 26 Apr 2021 11:27:40 +0300 > > > From: Vasily Averin <vvs@xxxxxxxxxxxxx> > > > To: crash-utility@xxxxxxxxxx > > > Subject: crash does not work with last fedora kernels? > > > Message-ID: <8f8782a9-3da6-5d3c-c509-8b8ec8a30957@xxxxxxxxxxxxx> > > > 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 > Crash-utility@xxxxxxxxxx > 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 > Crash-utility@xxxxxxxxxx > https://listman.redhat.com/mailman/listinfo/crash-utility -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/crash-utility
