[Crash-utility] crash does not work with last fedora kernels?
Alexey Makhalov
amakhalov at vmware.com
Fri Jul 30 18:08:13 UTC 2021
Hi David,
Can you share vmcore and kernel images? Or provide an intructions how to recreate this core?
I would be nice if you perform set of testing with your cores!
Thanks,
--Alexey
On 7/30/21, 7:44 AM, "crash-utility-bounces at redhat.com on behalf of David Wysochanski" <crash-utility-bounces at redhat.com on behalf of dwysocha at redhat.com> wrote:
On Thu, Jul 29, 2021 at 9:57 PM lijiang <lijiang at redhat.com> wrote:
>
> >
> > Hi, David
> > Thank you for the attention.
> > Currently, Fedora kernel has been forced to generate the DWARF4 debuginfo via the
> > CONFIG_DEBUG_INFO_DWARF4 kernel option, see jforbes' comment:
> > https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsrc.fedoraproject.org%2Frpms%2Fkernel%2Fpull-request%2F48&data=04%7C01%7Camakhalov%40vmware.com%7Ceadd7163e75c4cd9858808d95368790e%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C0%7C0%7C637632530448673576%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Mwn4GKA5QMYpCcRpeKq26xhEJuOHDglXoHZk2uFa5DE%3D&reserved=0
> >
> > Once crash gdb is upgraded, the DWARF5 could be enabled again in Fedora kernel.
> >
> > BTW: that is a temporary branch, still under tests and it has not been announced yet.
> >
>
> > Lianbo,
>
> > Please STOP replying to the digest, but reply properly on the
> > appropriate email thread.
> > I've been involved in a lot of open source projects over the past 15 years,
> > and you're the only one I've ever seen that replies to a digest, not the
> > appropriate email thread.
>
> Good suggestions, David.
>
> I remember that you reminded me about this issue before this time. But recently my email system switched to Gmail, and made a mistake again. I'm trying to get used to the Gmail
> system.
>
> But anyway, I hope that my last reply answered your questions.
>
Yes, thank you. But did you see my feedback about some of the error
output, when I tested your branch?
Do you have a list of existing issues?
I can fairly easily test your experimental branch on a series of
vmcores, if that helps.
Here's the feedback, cut/pasted from the other email thread:
I'm seeing a lot of "invalid input" displayed like the below when
using the '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"
--
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