Re: i915 observations

[RVP <rvp%SDF.ORG@localhost>]

On Thu, 29 Dec 2022, Mayuresh wrote:

> On Mon, Dec 19, 2022 at 09:32:14PM +0530, Mayuresh wrote:
>
> I have captured all the information on Linux and NetBSD, dmseg and
> Xorg.log on this PR.
>
> http://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=57143

> [  1056.874094] i915drmkms0: notice: Resetting rcs0 for preemption time out
> [  1056.874094] i915drmkms0: notice: firefox[1585] context reset due to GPU hang
> [  1056.874094] {drm:netbsd:__i915_request_reset+0x47b} context firefox[1585]: guilty 1, banned
> [  1056.874094] {drm:netbsd:__i915_request_reset+0x564} client firefox[1585]: gained 4 ban score, now 4
> [  1061.824127] i915drmkms0: notice: Resetting rcs0 for preemption time out
> [  1061.824127] i915drmkms0: notice: firefox[1585] context reset due to GPU hang
> [  1061.824127] {drm:netbsd:__i915_request_reset+0x47b} context firefox[1585]: guilty 1, banned
> [  1061.824127] {drm:netbsd:__i915_request_reset+0x564} client firefox[1585]: gained 4 ban score, now 8
> [  1062.934133] i915drmkms0: notice: Resetting rcs0 for preemption time out
> [  1062.934133] i915drmkms0: notice: firefox[1585] context reset due to GPU hang
> [  1062.934133] {drm:netbsd:__i915_request_reset+0x47b} context firefox[1585]: guilty 1, banned
> [  1062.934133] {drm:netbsd:__i915_request_reset+0x564} client firefox[1585]: gained 4 ban score, now 12

This looks like a DRM issue :(

> - If I try UXA acceleration on Linux, it shows all the problems mentioned
>   above on Linux as well.

So, SNA is needed on both Linux and NetBSD.


On Sat, 7 Jan 2023 you wrote:

> I find that firefox 105 or 107 are almost unusable on a laptop running
> NetBSD 10.0 BETA.
>
> Following is a top snapshot:
>
>  1615 guest     85    0  3223M  414M poll/0      0:47 58.46% 54.35% 
firefox
> [...]
> On the other hand, wonder why firefox has to start so many processes and
> occupy so much of RAM in the first place. This is just a pristine
> installation without any extensions or plugins and top snapshot when
> nothing is opened in the browser as yet - just a single and blank tab.

Probably the Pocket extension. Or the stuff downloaded as part of
Settings > Privacy & Security > Firefox Data Collection and Use +
Security.

You can turn Pocket off in Settings or about:config.

-RVP