** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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Title:
ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status in
fix released as upgrading hardware SOC and BIOS to latest. Old ADL-P will have
this issue.
revert the commits above will also fix the issue.
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Canonical doesn't reproduce this issue because their hardware should be new.
but we need point out the commits above maybe bring some hang issue and flicker
issue for graphics.
I will close this bug since we root cause this. Thanks All
** Changed in: intel
Status: New => Fix Released
@quanxian, we've found the patches that cause the system hang on J0
devices as following.
a8951f369fde UBUNTU: SAUCE: PCI/ASPM: Enable LTR for endpoints behind VMD
9942df2fda84 UBUNTU: SAUCE: vmd: fixup bridge ASPM by driver name instead
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now we got the commit caused the issue:
For software side, it is related with below commit. If below commit is
reverted, there is no hang(or flicker) anymore. Below canonical commit
deleted “port > 4” case, but this piece of code exists in latest drm-
next. We don’t know why they deleted it.
We
ok. from our side, more investigation, found L0 stepping CPU with latest BIOS,
doesn't reproduce this issue.
one ADL-P (IOTG) platform is J0 stepping with old bios, reproduce this issue.
so, there are two options:
option1: upgrade CPU to stepping L0 above and update to latest BIOS
option2: find
** Summary changed:
- [ADL-P-IOTG graphics cause Ubuntu 22.10 hang
+ ADL-P-IOTG graphics cause Ubuntu 22.10 hang
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Title:
as jhlee said, -17.17 plus the one commit fixes things for him, so we
can't reproduce the issue anymore after that
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Title:
I compared with source of i915/drm with 5.19.7, not found difference.
@timo, could you check if others patches from Canonical kernel cause
this hang issue which affect graphics behaviour?
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v5.19.7, 6.0-rc3, 5.19, 5.19-rc3 all works well using public kernel.
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status
6.0 works well.
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status in intel:
New
Status in linux package in Ubuntu:
I don't know what to update, since the situation is all but clear. And
you say even 6.0 doesn't work for you, so how could it be a bug in
Ubuntu?
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@timo, any updates on the bug?
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status in intel:
New
Status in linux package
we have done following testing。
we revert 4 commits in comment #4 on the 5.19.7 kernel of Canonical and
hang issue still happens.
https://bugs.launchpad.net/bugs/1980621
7ab7e6aff32de14 UBUNTU: SAUCE: Revert "drm/i915/display: Re-add check for low
voltage sku for max dp source rate"
I will build a canonical kernel with this patch and then test again.
hold on.
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
let us double confirm the previous result.
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status in intel:
New
Status in
public 5.19.7 kernel works well which doesn't have this fix.
5.19-rc3 which doesn't have this fix, also don't come across the hang issue.
so make me confused.
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it's been picked up in later 5.19.
git tag --contains c2798203315f4729bab0b917bf4c17a159abf9f8
v5.19.10
v5.19.8
v5.19.9
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Title:
just a minute, this fix has been in v6.0-rc4, so v6.0-rc6 should have
it. but it doesn't work on ADL-P (IOTG)
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Title:
[ADL-P-IOTG
git tag --contains 458ec0c8f35963626ccd51c3d50b752de5f1b9d4
v6.0-rc4
v6.0-rc5
v6.0-rc6
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Title:
[ADL-P-IOTG graphics cause Ubuntu
ok, I will have a try for that.
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status in intel:
New
Status in linux
quanxian, so can you confirm if you build the distro kernel plus the fix
from #11 that it works for you too?
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Title:
[ADL-P-IOTG
when ADL-P from IOTG was available for us, we use 5.19-rc3 public kernel with
ubuntu 22.04. it works well.
that is all our verification on ADL-P (IOTG).
Totally we ever did testing with public kernel version, 5.19-rc3, 5.19,
5.19.7, 6.0-rc6(latest kernel at that time), don't find hang issue.
yes, 5.19.7, 6.0-rc6, we used. also we use 5.19 public kernel, all works well.
only Canonical default kernel has the hang issue.
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Applying the patch mentioned in #11 on kinetic kernel would solve the
issue.
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
jhlee found out that the kinetic kernel is missing this commit:
commit 458ec0c8f35963626ccd51c3d50b752de5f1b9d4
Author: Łukasz Bartosik
Date: Tue Feb 1 16:33:54 2022 +0100
drm/i915: fix null pointer dereference
but it's not in 5.19.7 either, 5.19.8 and up has it. So are you absolutely
I meant adding those commits on top of 5.19.7
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status in intel:
New
Status
I have built Ubuntu-5.19.0-17.17 kernel and testing. hang. so issue is
in additional patches. public kernel 5.19.7 works well.
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we have verified latest Ubuntu 22.10 image, it still hang on ADL-P
(IOTG).
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
ok, so try adding 25899c590cb5ba and 483e3d87a37e from dinq to see if
they make a difference
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Title:
[ADL-P-IOTG graphics cause
6.0-rc6 works well (public kernel)
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status in intel:
New
Status in linux
we currently use public kernel 5.19.7, it works well.
and more aciton on latest Ubuntu 22.10 image, we are doing that. we ever
use 2022/09/14 image for testing which is bad for ADL-P (IOTG) graphics
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just to be clear, the diff between upstream v5.19..v5.19.7 is this:
b431cffb4883b9e drm/i915/ttm: don't leak the ccs state
17c3edc70ff3eaf drm/i915: pass a pointer for tlb seqno at vma_invalidate_tlb()
26d7e3fcf0af9d5 drm/i915/gt: Batch TLB invalidations
99a4dbc0328d917 drm/i915/gt: Skip TLB
I don't have ADL-P myself
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Title:
[ADL-P-IOTG graphics cause Ubuntu 22.10 hang
Status in intel:
New
Status in linux package in
Which Ubuntu kernel revision is bad, and which upstream version is good? We've
merged changes from 5.19.7 already, so if it's just v5.19 you've tested, please
test 5.19.7 too.
** Package changed: ubuntu => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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