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* Re: High load from process irq/65-i2c-INT3 - kernel module tps6598x
       [not found] <376EFB02-6CA2-4D5A-883B-7843B6F6B6EC@icloud.com>
@ 2020-07-28 12:32 ` Heikki Krogerus
  2020-08-01  4:55   ` Jürgen Stauber
  0 siblings, 1 reply; 2+ messages in thread
From: Heikki Krogerus @ 2020-07-28 12:32 UTC (permalink / raw)
  To: Jürgen Stauber; +Cc: gregkh, linux-usb, linux-kernel

Hi Jürgen,

I'm sorry about the late reply (vacation).

On Mon, Jul 20, 2020 at 06:31:04PM +0200, Jürgen Stauber wrote:
> Hi all,
> 
> I was made aware in the following launchpad bug report, that I should report
> the issue directly with the upstream maintainers:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883511
> <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883511>
> 
> As mentioned in the report, I experience high cpu load due to an interrupted
> irq/65-i2c-INT3 process. A short fix is to unload the kernel module tps6598x.
> 
> Please be lenient with me, since I’ve got no glue whether I’m doing this
> correctly.
> 
> In case you need more details/logs/information, please let me know.

There is one thing that you may be able to try. If you can enter the
BIOS menu, then you should be able to disable an option called
"UCMCx". Unfortunately I don't know the full path to that option in
the BIOS menu of the NUC, or is entering the BIOS menu possible in the
first place. It is also possible that there is no option "UCMCx" at
all.

Unfortunately I don't have access to NUC10 at the moment, but I'll try
get one.

Br,

-- 
heikki

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: High load from process irq/65-i2c-INT3 - kernel module tps6598x
  2020-07-28 12:32 ` High load from process irq/65-i2c-INT3 - kernel module tps6598x Heikki Krogerus
@ 2020-08-01  4:55   ` Jürgen Stauber
  0 siblings, 0 replies; 2+ messages in thread
From: Jürgen Stauber @ 2020-08-01  4:55 UTC (permalink / raw)
  To: Heikki Krogerus; +Cc: gregkh, linux-usb, linux-kernel

Hi Heikki,

unfortunately I didn’t find any UCMCx option within the UEFI bios. 

kr,
Jürgen

> On 28.07.2020, at 14:32, Heikki Krogerus <heikki.krogerus@linux.intel.com> wrote:
> 
> Hi Jürgen,
> 
> I'm sorry about the late reply (vacation).
> 
>> On Mon, Jul 20, 2020 at 06:31:04PM +0200, Jürgen Stauber wrote:
>> Hi all,
>> 
>> I was made aware in the following launchpad bug report, that I should report
>> the issue directly with the upstream maintainers:
>> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883511
>> <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883511>
>> 
>> As mentioned in the report, I experience high cpu load due to an interrupted
>> irq/65-i2c-INT3 process. A short fix is to unload the kernel module tps6598x.
>> 
>> Please be lenient with me, since I’ve got no glue whether I’m doing this
>> correctly.
>> 
>> In case you need more details/logs/information, please let me know.
> 
> There is one thing that you may be able to try. If you can enter the
> BIOS menu, then you should be able to disable an option called
> "UCMCx". Unfortunately I don't know the full path to that option in
> the BIOS menu of the NUC, or is entering the BIOS menu possible in the
> first place. It is also possible that there is no option "UCMCx" at
> all.
> 
> Unfortunately I don't have access to NUC10 at the moment, but I'll try
> get one.
> 
> Br,
> 
> -- 
> heikki

^ permalink raw reply	[flat|nested] 2+ messages in thread

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     [not found] <376EFB02-6CA2-4D5A-883B-7843B6F6B6EC@icloud.com>
2020-07-28 12:32 ` High load from process irq/65-i2c-INT3 - kernel module tps6598x Heikki Krogerus
2020-08-01  4:55   ` Jürgen Stauber

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