Re: [PATCHv4] drm/amdgpu: disable ASPM on Intel Alder Lake based systems

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Hi Paul,

On 5/1/2022 2:08 AM, Paul Menzel wrote:
Dear Richard,


Sorry for the late reply.

Am 26.04.22 um 15:53 schrieb Gong, Richard:

On 4/21/2022 12:35 AM, Paul Menzel wrote:

Am 21.04.22 um 03:12 schrieb Gong, Richard:

On 4/20/2022 3:29 PM, Paul Menzel wrote:

Am 19.04.22 um 23:46 schrieb Gong, Richard:

On 4/14/2022 2:52 AM, Paul Menzel wrote:
[Cc: -kernel test robot <lkp@xxxxxxxxx>]

[…]

Am 13.04.22 um 15:00 schrieb Alex Deucher:
On Wed, Apr 13, 2022 at 3:43 AM Paul Menzel wrote:

Thank you for sending out v4.

Am 12.04.22 um 23:50 schrieb Richard Gong:

[…]

I am still not clear, what “hang during suspend/resume” means. I guess suspending works fine? During resume (S3 or S0ix?), where does it hang?
The system is functional, but there are only display problems?
System freeze after suspend/resume.

But you see certain messages still? At what point does it freeze exactly? In the bug report you posted Linux messages.

No, the system freeze then users have to recycle power to recover.

Then I misread the issue? Did you capture the messages over serial log then?

I think so. We captured dmesg log.

make a correction, the previous 'dmesg log' description was not accurate.

I referred that to the kernel log captured via 'journalctl' after recycling the power. I should use kernel log rather than 'dmesg log' to avoid the confusion.


Then the (whole) system did *not* freeze, if you could still log in (maybe over network) and execute `dmesg`. Please also paste the amdgpu(?) error logs in the commit message.

As mentioned in my "previous previous" reply, the user have to recycle power to reset the system.

When issue occurred, keyboard/mouse didn't work.  'demsg' and ssh didn't work either.


As mentioned early we need support from Intel on how to get ASPM working for VI generation on Intel Alder Lake, but we don't know where things currently stand.

Who is working on this, and knows?

I have no idea.



Kind regards,

Paul

Regards,

Richard




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