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).

Jan

--
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux

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