Rafael J. Wysocki wrote:
>>>> http://www.dresco.co.uk/debug/suspend_e820_patch.jpg
>>> This one is really strange, like a miscompilation or something.
>>>
>>> Could you identify which line of code corresponds to count_data_pages+0x38
>>> (using gdb)?
>> Would be happy to, may need a pointer in the right direction though?
>
> If you have compiled the kernel with debug info (CONFIG_DEBUG_INFO=y), go to
> the directory where your kernel sources are and run
>
> $ gdb vmlinux
>
> and then
>
> (gdb) l *count_data_pages+0x38
>
> [If your kernel is not compiled with debug info, you'll need to recompile it
> and retest to verify if the address where it crashes is still the same.]
(gdb) l *count_data_pages+0x38
0xc013fbfc is in count_data_pages (kernel/power/snapshot.c:205).
200
201 for_each_zone (zone) {
202 if (is_highmem(zone))
203 continue;
204 mark_free_pages(zone);
205 for (zone_pfn = 0; zone_pfn <
zone->spanned_pages; ++zone_pfn)
206 n += saveable(zone, &zone_pfn);
207 }
208 return n;
209 }
(gdb)
Regards,
Jon.
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