Questions about kexec-tools (resend to list)
Philip Prindeville
philipp_subx at redfish-solutions.com
Fri Mar 10 19:14:28 PST 2017
> On Mar 10, 2017, at 5:16 PM, Baoquan He <bhe at redhat.com> wrote:
>
> On 03/10/17 at 01:20pm, Philip Prindeville wrote:
>>
>
>>
>> The above memory ranges look highly suspect.
>>
>> Anyone have any ideas where I should start digging to figure out where things are going sideways?
>>
>> I’m using 2.0.14 on a Linux 4.4.19 kernel, with gcc 5.3.0 and MUSL 1.1.16.
>
> Hi,
>
> This is user space program and using in 1st kernel. I really suggest you
> should start a gdb to track what's going on when your real /proc/iomem
> is different with the debug printing of kexec. Honestly, it won't be too
> difficult, I really like this kind of debugging. If happened in kdump
> kernel, even in user space tools like makedumpfile, you have to add
> debug printing again and again.
>
> Thanks
> Baoquan
Actually, I have my smoking gun. And found a clue (regrettably after I had done all the digging) to confirm that I was on the right track:
http://git.alsa-project.org/?p=alsa-lib.git;a=commitdiff;h=1d3f7975f920f47e6a8a324f547da2180e64171a
Sending a patch, separately.
-Philip
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