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<
wens >
for the resolution, you need to set the resolution of the media bus first (using media-ctl)
03:47
<
wens >
the media controller stuff is slightly annoying
04:12
<
wens >
hmm, getting panics with v5.9-rc1 on a20
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<
MoeIcenowy >
wens: AXP209?
06:25
<
MoeIcenowy >
By the way rc1 is usually risky ;-)
06:27
<
montjoie >
I confirm lof of panic on kernelci...
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<
wens >
BUG_ON at drivers/base/devres.c:125 (add_dr) called through several layers from drivers/base/pinctrl.c:28 (pinctrl_bind_pins) on allwinner a10 and a20
06:36
<
MoeIcenowy >
at least this one is AXP20x issue
06:37
<
MoeIcenowy >
(I found this problem on PinePhone
06:40
<
MoeIcenowy >
wens: your failure come from pinctrl? interesting...
06:40
<
montjoie >
MoeIcenowy: let me retry the job on it
06:42
<
montjoie >
oh all 5.9-rc1 failling on pine64-plus
06:42
<
montjoie >
so it cannot be a lab issue
06:48
<
wens >
MoeIcenowy: it might be some sort of corruption
06:54
<
wens >
the AXP20x one is failing on the same check, just in a different path
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<
wens >
I guess that explains why all the h3/h5 boards survived
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<
megi >
wens: there's a double free in mfd visible in dmesg if you enable memory debugging in the kernel
09:13
<
megi >
happens if mfd device probes twice for whatever reason
09:13
<
megi >
maybe that's it
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<
karlp >
wens: yeah, ran out of time, looks like not all the tools know how to invoke all the right media-ctl knobs to change things, which is tedious. now that I know how to get
_something_ work though, I want to get back to the plain mainline, not the xunlong 5.3 kernel though
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19:51
<
jernej >
mripard: how did you test iommu with cedrus?
19:51
<
jernej >
I get: sun50i-iommu 30f0000.iommu: Page fault for 0x00000000fa2c0000 (master 3, dir rd)
19:53
<
mripard >
jernej: with v4l2-request-test iirc
19:53
<
mripard >
did you update the DT?
19:53
<
jernej >
it's 5.8.0
19:54
<
jernej >
I tested with ffmpeg, though
19:56
<
mripard >
it shouldn't really make any difference
19:58
<
jernej >
and for some reason, I get some memory corruptions with cedrus when iommu is disabled
19:59
<
jernej >
to the point that it reboots
19:59
<
mripard >
you mean with the iommu property removed or without the iommu driver?
19:59
<
jernej >
but other SoCs doesn't have this issue
19:59
<
jernej >
I tried both ways
20:02
<
jernej >
when iommu driver is enabled, I get just blue screen with line I posted above
20:02
<
jernej >
I suspect this is drm issue because not even overlay is rendered
20:06
<
mripard >
The master 3 is the video engine, and since the direction is read, I'd guess that the slice buffer hasn't been mapped by the IOMMU
20:07
<
jernej >
any idea what can I do or test?
20:08
<
mripard >
the DRM driver should still work fine though, so you should get that still
20:09
<
mripard >
if it does, then it's likely to be an issue with the VE or the driver, possibly in combination with the IOMMU driver
20:09
<
mripard >
removing both the iommus property and the IOMMU driver should get you going
20:09
<
jernej >
yeah but that brings memory corruptions, for some reason
20:10
<
mripard >
if it doesn't, then there's something wrong somewhere else, because we didn't make any iommu related changes outside of the driver
20:10
<
jernej >
I guess I should enable memory debugging functionalities in kernel
20:11
<
mripard >
if it's 100% reproducible, bisecting might be an option
20:12
<
jernej >
yeah but currently I don't have my build machine available, so this might take a bit long
20:18
<
mripard >
I'll try to give it a try over the weekend if you don't have the time (or don't want to :))
20:23
<
jernej >
I'll try but I only have 7 years old laptop :)
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