Re: Bug#1076564: pahole BTF processing seems flaky on powerpc

Domenico Andreoli <[email protected]> Sat, 20 Jul 2024 09:47:59 +0200

Newsgroups	gmane.comp.debugging.dwarves,gmane.linux.debian.devel.kernel,gmane.linux.debian.ports.powerpc
Message-ID	<[email protected]>

On Sat, Jul 20, 2024 at 09:16:24AM +0200, John Paul Adrian Glaubitz wrote:
> Hi Domenico,

Hi!

> On Fri, 2024-07-19 at 23:20 +0200, Domenico Andreoli wrote:
> > > > Is there anything I can do to help?
> > > 
> > > From the 6.10-1~exp1:
> > > https://buildd.debian.org/status/fetch.php?pkg=linux&arch=powerpc&ver=6.10-1%7Eexp1&stamp=1721287862&raw=1
> > > file:
> > > 
> > > + LLVM_OBJCOPY=powerpc-linux-gnu-objcopy pahole -J -j --btf_features=encode_force,var,float,enum64,decl_tag,type_tag,optimized_func,consistent_func --lang_exclude=rust .tmp_vmlinux.btf
> > > 
> > > Can I have access to that .tmp_vmlinux.btf file so that I can try to
> > > reproduce it here?
> > 
> > I don't have access to the build host (blaauw2) and I've some doubts
> > it would still have that file.
> > 
> > Maybe our kernel team and powerpc porters have suggestions?
> 
> I have root access to all powerpc/ppc64 machines (buildds and porterbox).
> 
> I'm cleaning up the porterbox now, disk is quite full, then you can try
> to build the kernel package on perotto.debian.net or I can try it myself.
> 
> I have seen the bug myself and I wanted to debug it, but the attempt was
> foiled by the fact that the disk on perotto is full (again).
> 
> Will take care of it and let you know when it's (some hours).

That's great, thank you.

> 
> Adrian
> 
> -- 
>  .''`.  John Paul Adrian Glaubitz
> : :' :  Debian Developer
> `. `'   Physicist
>   `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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