Re: [Xen-devel] [BUG][4.5.1]xl cpupool-create segfault (with config file parameter)

[Benjamin Beier <benjamin@xxxxxxxxxxxxxxxxxx>]

On 08/13/2015 01:29 PM, Ian Campbell wrote:
> On Thu, 2015-08-13 at 13:13 +0200, Benjamin Beier wrote:
> > Program received signal SIGSEGV, Segmentation fault.
> > 0x0000000000418db5 in main_cpupoolcreate (argc=,
> > argv=0x7fffffffda50) at xl_cmdimpl.c:7102
> > 7102    xl_cmdimpl.c: No such file or directory.
> > (gdb) bt
> > #0  0x0000000000418db5 in main_cpupoolcreate (argc=<optimized out>,
> > argv=0x7fffffffda50) at xl_cmdimpl.c:7102
> > #1  0x0000000000407c79 in main (argc=2, argv=0x7fffffffda50) at xl.c:361
> In "git show RELEASE-4.5.1:tools/libxl/xl_cmdimpl.c" line 7102 is a blank
> line. The next line is:
>       config = xlu_cfg_init(stderr, config_src);
> which might be the culprit but also might not be.
>
> Are you running pristine 4.5.1 or are the (perhaps gentoo added) patches?
> Can you figure out what line 7102 of that might be.
>
> > Just tell me if this is a gentoo-only thing and I will open a bug report
> > there.
> It's not clear yet, since it might be a backport of a buggy patch, but it's
> starting to look a bit that way. Once xl_cmdimpl.c:7102 and the list of
> patches is clarified I think we'll know one way or another.
>
> Ian
I am not an expert for ebuilds and the xen-tools ebuild is rather 
complicated. I filed a gentoo bug report and linked to this upstream 
report here. Hopefully one of the gentoo ebuild maintainers has further 
information for you.
https://bugs.gentoo.org/show_bug.cgi?id=557458

Regards,
Benjamin


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