Re: ODEBUG: Out of memory. ODEBUG disabled

From: Qian Cai
Date: Fri Nov 09 2018 - 16:52:17 EST




> On Nov 9, 2018, at 4:42 PM, Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> wrote:
>
>
>
> On 11/9/18 1:36 PM, Qian Cai wrote:
>> It is a bit annoying on this aarch64 server with 64 CPUs that is
>> booting the latest mainline (3541833fd1f2) causes object debugging
>> always running out of memory.
>
> May you please paste the detail failure log?
I assume you mean dmesg.

Here is the dmesg for 64 CPUs,
https://paste.ubuntu.com/p/BnhvXXhn7k/
>>
>> I have to boot the kernel with only 16 CPUs instead (nr_cpus=16)
>> to make it work. Is it expected that object debugging is not going
>> to work with large machines?
>
> I don't think so. I'm supposed it works well with large CPU number on x86.
Here is the one with nr_cpus workaround,
https://paste.ubuntu.com/p/qMpd2CCPSV/