From: Stefano Garzarella <sgarzare@redhat.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>, linux-kernel@vger.kernel.org
Subject: Re: scripts/gdb: received an error when invoking lx-symbols
Date: Wed, 22 Jul 2020 12:02:04 +0200 [thread overview]
Message-ID: <20200722100204.z43tnn2rtfb5ow2x@steredhat> (raw)
In-Reply-To: <04728663-acde-bfb7-84dc-f97d628bc739@siemens.com>
On Wed, Jul 22, 2020 at 11:19:42AM +0200, Jan Kiszka wrote:
> On 22.07.20 11:13, Stefano Garzarella wrote:
> > Hi Jan, Kieran,
> > with the last Linux 5.8-rc6 I have some problems with gdb scripts.
> > Everything is fine with Linux 5.7.
> >
> > When I call lx-symbols, I received this error while loading modules
> > symbols:
> >
> > (gdb) set python print-stack full
> > (gdb) target remote :1234
> > Remote debugging using :1234
> > arch_atomic_read (v=<optimized out>) at ../arch/x86/kernel/process.c:687
> > 687 trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
> > (gdb) lx-symbols
> > loading vmlinux
> > scanning for modules in /home/stefano/repos/linux_vsock/build-tiny-config
> > loading @0xffffffffc0169000: /home/stefano/repos/linux_vsock/build-tiny-config/drivers/net/tun.ko
> > Traceback (most recent call last):
> > File "/home/stefano/repos/linux_vsock/build-tiny-config/scripts/gdb/linux/symbols.py", line 174, in invoke
> > self.load_all_symbols()
> > File "/home/stefano/repos/linux_vsock/build-tiny-config/scripts/gdb/linux/symbols.py", line 161, in load_all_symbols
> > [self.load_module_symbols(module) for module in module_list]
> > File "/home/stefano/repos/linux_vsock/build-tiny-config/scripts/gdb/linux/symbols.py", line 161, in <listcomp>
> > [self.load_module_symbols(module) for module in module_list]
> > File "/home/stefano/repos/linux_vsock/build-tiny-config/scripts/gdb/linux/symbols.py", line 131, in load_module_symbols
> > sections=self._section_arguments(module))
> > File "/home/stefano/repos/linux_vsock/build-tiny-config/scripts/gdb/linux/symbols.py", line 98, in _section_arguments
> > section_name_to_address = {
> > File "/home/stefano/repos/linux_vsock/build-tiny-config/scripts/gdb/linux/symbols.py", line 99, in <dictcomp>
> > attrs[n]['name'].string(): attrs[n]['address']
> > gdb.error: There is no member named name.
> > Error occurred in Python: There is no member named name.
> >
> > I'll try to bisect.
>
> Dig for changes in the data structure (module_sect_attr).
Thanks for the hint, I think I found the problem, I'll send a patch :-)
Stefano
prev parent reply other threads:[~2020-07-22 10:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-22 9:13 scripts/gdb: received an error when invoking lx-symbols Stefano Garzarella
2020-07-22 9:19 ` Jan Kiszka
2020-07-22 10:02 ` Stefano Garzarella [this message]
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