[elrepo-devel] Request to enable RPC debugging in ELRepo kernels

Alan Bartlett ajb at elrepo.org
Tue May 5 13:10:39 EDT 2015


On 5 May 2015 at 17:59, Akemi Yagi <amyagi at gmail.com> wrote:
> On Tue, May 5, 2015 at 9:45 AM, Alan Bartlett <ajb at elrepo.org> wrote:
>> On 5 May 2015 at 00:10, Akemi Yagi <toracat at elrepo.org> wrote:
>>> On Mon, May 4, 2015 at 4:01 PM, Jamie Bainbridge
>>> <jamie.bainbridge at gmail.com> wrote:
>>>> # grep CONFIG_SUNRPC_DEBUG config-4.0.1-1.el6.elrepo.x86_64
>>>> CONFIG_SUNRPC_DEBUG is not set
>>>>
>>>> It would be really useful to have this enabled for troubleshooting.
>>>>
>>>> There's no overhead in regular sunrpc operation, all debugging output
>>>> is disabled by default. Debugging is only enabled by echoing bitmasks
>>>> into /proc or by using the "rpcdebug" binary, and is disabled in the
>>>> same way.
>>>>
>>>> Would a bug and patch be looked upon favorably?
>>>>
>>>> Cheers,
>>>> Jamie
>>>
>>> As far as there is no overhead, I see no reason against it. Alan?
>>>
>>> Akemi
>>
>> I agree.
>>
>> Consider the request "smiled upon" and that configuration change is
>> now queued for the next build.
>>
>> Alan.
>
> Just an additional note. This option is already enabled in the EL7
> kernels (both distro and kernel-ml). Apparently it (=y) is the
> "default" choice in Kconfig.
>
> Akemi

Nodding in agreement. I have checked the "master" configuration files
that I keep for our kernel-{lt|ml} packages, for each OS version.
(RHEL-{5|6|7}).

It will be applied to the configurations of kernel-lt and kernel-ml
for RHEL-6 (and clones).

Alan.


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