I tested it and it won't give me freezes. But it seems to stop being
able to connect to my network after 24 hours. Even if I try to forget
and remake connection and reset router it will still can't connect.
(This happened even with Ubuntu 20.04, now I am on 22.04)
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There are many new fixes for rtw88 driver in linux-next, please give it a try:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/drivers/net/wireless/realtek/rtw88
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Now at Jammy with kernel 5.15.0-25-generic, I have still observed
freezes. Quite infrequent, so not "quick" to reproduce (whereas at
Impish were frequent, within minutes of uptime).
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Surely same non-fix as Impish
** Changed in: linux (Ubuntu Jammy)
Status: Fix Released => Confirmed
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Title:
rtw88_8821ce causes freeze
Tested
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.12-rc1/
and it causes freeze. Details:
Installing (dpkg -i) the files
linux-image-unsigned-5.12.0-051200rc1-generic_5.12.0-051200rc1.202103032009_amd64.deb
linux-
modules-5.12.0-051200rc1-generic_5.12.0-051200rc1.202103032009_amd64.deb
Paul, can you please try v5.12-rc1:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.12-rc1/
It's the first kernel release that has commit "rtw88: add napi support".
And let's make sure that's the offending commit.
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Do you know whether the fix that went into 5.15.0-22.22
(or into 5.15.0-17.17) is any different from what went
into impish 5.13.0-28.31? That impish fix did NOT work,
did NOT solve the issue.
Oh well... jammy will be released soon, and I will test.
I wonder whether this bug will remain "alive"
My laptop is running Ubuntu 21.10 "impish", still.
Can I test this fix somehow, without fully upgrading to "jammy"?
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Title:
rtw88_8821ce causes
This bug was fixed in the package linux - 5.15.0-22.22
---
linux (5.15.0-22.22) jammy; urgency=medium
* jammy/linux: 5.15.0-22.22 -proposed tracker (LP: #1960290)
-- Paolo Pisati Tue, 08 Feb 2022 10:48:49
+0100
** Changed in: linux (Ubuntu Jammy)
Status: Confirmed =>
I do not actually know about Focal... but is NOT fixed in Impish,
and this is the only thing assigned to a person.
** Changed in: linux (Ubuntu Impish)
Status: Fix Released => Confirmed
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: Fix Released => Confirmed
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Same issue on my new HP Laptop 15s-fq2000nb (https://support.hp.com/be-
fr/document/c07043807), and I confirm that the issue is still there and
the PC is unusable while the Wifi is on.
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Sorry Mr Launchpad Janitor, you are mistaken.
This bug is NOT FIXED in impish 5.13.0-28.31 ...
my laptop proves you wrong!
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Title:
rtw88_8821ce
This bug was fixed in the package linux - 5.13.0-28.31
---
linux (5.13.0-28.31) impish; urgency=medium
* amd_sfh: Null pointer dereference on early device init causes early panic
and fails to boot (LP: #1956519)
- HID: amd_sfh: Fix potential NULL pointer dereference
*
This bug was fixed in the package linux-oem-5.13 - 5.13.0-1029.36
---
linux-oem-5.13 (5.13.0-1029.36) focal; urgency=medium
* focal/linux-oem-5.13: 5.13.0-1029.36 -proposed tracker (LP:
#1955196)
* support signed v4l2loopback dkms build (LP: #1938531)
- support v4l2loopback
Released "fix" did not solve issue
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: Fix Released => Confirmed
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Title:
rtw88_8821ce
Released "fix" did not solve issue
** Changed in: linux (Ubuntu Impish)
Status: Fix Released => Confirmed
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Title:
rtw88_8821ce causes
Released "fix" did not solve issue
** Changed in: linux (Ubuntu Jammy)
Status: Fix Released => Confirmed
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Title:
rtw88_8821ce causes
May I (should I) change status "Fix released" to "Confirmed"?
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Title:
rtw88_8821ce causes freeze
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Sorry spoke too soon! Just after my message, my laptop froze.
The issue is not fixed on my machine (as per Comment#59).
Since I am the "original poster" or reporter of this bug,
maybe it should NOT be marked as fixed.
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Thanks! 5.13.0-28-generic seems to work fine for me
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Title:
rtw88_8821ce causes freeze
To manage notifications about this bug go to:
This bug was fixed in the package linux-oem-5.13 - 5.13.0-1029.36
---
linux-oem-5.13 (5.13.0-1029.36) focal; urgency=medium
* focal/linux-oem-5.13: 5.13.0-1029.36 -proposed tracker (LP:
#1955196)
* support signed v4l2loopback dkms build (LP: #1938531)
- support v4l2loopback
This bug was fixed in the package linux - 5.13.0-28.31
---
linux (5.13.0-28.31) impish; urgency=medium
* amd_sfh: Null pointer dereference on early device init causes early panic
and fails to boot (LP: #1956519)
- HID: amd_sfh: Fix potential NULL pointer dereference
*
This bug was fixed in the package linux - 5.15.0-17.17
---
linux (5.15.0-17.17) jammy; urgency=medium
* jammy/linux: 5.15.0-17.17 -proposed tracker (LP: #1957809)
-- Andrea Righi Thu, 13 Jan 2022 17:11:21
+0100
** Changed in: linux (Ubuntu Jammy)
Status: Confirmed =>
This bug was fixed in the package linux-oem-5.14 - 5.14.0-1018.19
---
linux-oem-5.14 (5.14.0-1018.19) focal; urgency=medium
* OOB write on BPF_RINGBUF (LP: #1956585)
- SAUCE: bpf: prevent helper argument PTR_TO_ALLOC_MEM to have offset other
than 0
linux-oem-5.14
I just would like to add my (newbie) observation on the similar problem (maybe
it can be useful for developers).
I have laptop "HP ProBook 455 G7 (1F3M4EA)" with WiFi card RTL8822CE.
My system is LinuxMint 20.2 with kernel 5.13.0-23-generic.
I noticed that old routers with 2.4 GHz work fine
As per original/initial bug report: yes I used the
https://github.com/tomaspinho/rtl8821ce
driver, and it seemed to work perfectly.
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Title:
The rtw88 is rewritten from out of tree driver, so ideally they should
be the same.
Have you tried the out of tree driver on this platform? Does it work
well?
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The out of tree driver like this one:
https://github.com/tomaspinho/rtl8821ce
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Title:
rtw88_8821ce causes freeze
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Reply #66
> So the L0s is fine to be up in LNKCTL?
As I know, L0s is a single direction function.
I mean rtl8821ce can decide to enter L0s or not; don't need peer support this
simultaneously.
> what's the possible difference between rtw88 and the old rtl8821ce
What do you mean about the "old
How about focal verify result?
ODM has run video streaming overnight with 5.14-oem-1015 kernel on TGL device,
no hang observed, system still alive the next day.
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So the L0s is fine to be up in LNKCTL?
And I noticed that the bug was filed against 5.11, which doesn't have
commit "rtw88: add napi support". So yes my fix doesn't help this user.
Do you know what's the possible difference between rtw88 and the old
rtl8821ce?
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By default, 8821ce doesn't not enter L0s.
Do you have any finding about this?
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Title:
rtw88_8821ce causes freeze
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PKShih, does 8821ce support ASPM L0s?
LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes, Disabled- CommClk+
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Title:
rtw88_8821ce causes freeze
To
... so I also show /var/log/syslog .
** Attachment added: "syslog.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927808/+attachment/5552236/+files/syslog.txt
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I do not see anything interesting in journalctl (does not go back long
enough)...
** Attachment added: "journalctl-b-1-k.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927808/+attachment/5552235/+files/journalctl-b-1-k.txt
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Sorry but verification failed. Doing
sudo apt-get install linux-image-generic/impish-proposed
and rebooting (so "uname -r" shows 5.13.0-24-generic),
my Ollee (ProTempo) L116HTN6SPW froze almost instantly.
Adding the /etc/modprobe.d/rtw88_pci.conf workaround of
options rtw88_pci disable_aspm=1
Can you please also attach `journalctl -b -1 -k`? Maybe some error
messages were logged.
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Title:
rtw88_8821ce causes freeze
To manage
> Seems you do not actually have access to a "problem" machine... is
that so?
I do. But apparently the fix for those machines doesn't fix yours.
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Output of sudo lspci -vvnn below.
In hindsight, I should have tested your
people.canonical.com/~khfeng/8821ce-rx-aspm/
kernel... did not do because it is 5.15 that I thought was
too different, and mainly because of my laziness. Sorry!
Seems you do not actually have access to a "problem"
Should have mentioned... that lspci is with the "plain impish"
5.13.0-23-generic kernel.
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Title:
rtw88_8821ce causes freeze
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Can you please attach `sudo lspci -vvnn` here? Thanks!
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Title:
rtw88_8821ce causes freeze
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(Had sent this via email, but that seems delayed.)
Sorry but verification failed. Doing
sudo apt-get install linux-image-generic/impish-proposed
and rebooting (so "uname -r" shows 5.13.0-24-generic),
my Ollee (ProTempo) L116HTN6SPW froze almost instantly.
Adding the
Paul, please make sure 5.13.0-24 is in use.
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Title:
rtw88_8821ce causes freeze
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** Tags removed: verification-needed-impish
** Tags added: verification-failed-impish
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Title:
rtw88_8821ce causes freeze
To manage
This bug is awaiting verification that the linux/5.13.0-24.24 kernel in
-proposed solves the problem. Please test the kernel and update this bug
with the results. If the problem is solved, change the tag
'verification-needed-impish' to 'verification-done-impish'. If the
problem still exists,
The fix for Impish should come soon.
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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Title:
rtw88_8821ce
Sorry I cannot easily test Focal, I had since upgraded to Impish.
(Is there some linux-image package for Impish to test?)
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Title:
rtw88_8821ce
This bug is awaiting verification that the linux-oem-5.14/5.14.0-1015.15
kernel in -proposed solves the problem. Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-focal' to 'verification-done-focal'. If the
problem still
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: Confirmed => Fix Committed
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rtw88_8821ce causes freeze
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** Changed in: linux (Ubuntu Impish)
Status: Confirmed => Fix Committed
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Title:
rtw88_8821ce causes freeze
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** Tags added: oem-priority originate-from-1950719 somerville
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Title:
rtw88_8821ce causes freeze
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** Also affects: linux-oem-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Assignee: (unassigned) => AceLan Kao (acelankao)
** Changed in: linux-oem-5.13
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
For those who are affected by this issue, here's a kernel with fix [1]:
https://people.canonical.com/~khfeng/8821ce-rx-aspm/
[1] https://lkml.org/lkml/2021/12/14/13
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laptop HP 14s-dq0029ur with Realtek RTL8821CE. Same problem on kernels
above 5.11
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Title:
rtw88_8821ce causes freeze
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HW: HP 17-CN0004NL
UBUNTU 21.10 kernel 5.13.0
This bug DOES NOT happen on 5.11.0-38-generic. Confirmed device RTL8821CE
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Title:
rtw88_8821ce
Another model with the same problem. An HP 15-da1018nv with the same
device (rtl8821ce). Ubuntu 21.10, minimal installation, kernel
5.13.0-20-generic.
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Now at Ubuntu 21.10 (impish) and kernel 5.13.0-19, my Ollee (ProTempo)
L116HTN6SPW is "happy".
I wonder about other models with the same wireless device...
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I have the same problem on a LENOVO ideacentre AIO 330-20IGM. I put
options rtw88_pci disable_aspm=1 in /etc/modprobe.d/rtw88_pci.conf as
told by PK Shih, but when I try to check if the change took effect by
running cat /sys/module/rtw_pci/parameters/disable_aspm it throws an
error that no file or
Seems the issue affects devices from multiple manufacturers,
and various models. Maybe some "commonality" can be found
between them, to trigger disabling ASPM they cannot handle,
better than trying to enumerate them in kernel sources as
suggested in commit 956c6d4f20c5446727e0c912dd8f527f2dc7b779,
I have the same problem in my hp g4 250 laptop, adding: options
rtw88_pci disable_aspm=1 to that file /etc/modprobe.d/rtw88_pci.conf
fixed the freezes, but it happends in every linux distro using kernel
5.11+
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You have not posted your /etc/modprobe.d/rtw88_pci.conf file:
was the method was not successful?
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Title:
rtw88_8821ce causes freeze
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Can you post the contents of your /etc/modprobe.d/rtw88_pci.conf file?
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rtw88_8821ce causes freeze
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That seems to work, no crash.
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rtw88_8821ce causes freeze
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crash continued. Now trying the /etc/modprobe.d/rtw88_pci.conf method
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rtw88_8821ce causes freeze
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I'm trying to work around it with a systemd service using iw wlo1 set
power_save off. I've rebooted and i'm waiting to see if the crash
continues.
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grep . /sys/module/rtw88_pci/parameters/*
/sys/module/rtw88_pci/parameters/disable_aspm:N
/sys/module/rtw88_pci/parameters/disable_msi:N
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Title:
Linux Splenir 5.11.0-25-generic #27~20.04.1-Ubuntu SMP Tue Jul 13
17:41:23 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
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Title:
rtw88_8821ce causes
Your message to "upstream" seems fine.
No I did not "do" anything to elicit those "timed out to flush queue 2"
messages with the RC4 kernel. With the 5.13.0-5 kernel as built by
Kai-Heng, I did not seem to get them anymore.
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I have sent the patch to upstream:
https://lore.kernel.org/linux-wireless/20210607012254.6306-1-pks...@realtek.com/T/#u
I add your description of this bug in the commit message. If there is anything
wrong,
please let me know.
About the warnings "timed out to flush queue 2", my colleague told
Thanks, the kernel from
https://people.canonical.com/~khfeng/lp1927808/
seems to work fine. Attaching dmesg output.
** Attachment added: "dmesg-5.13.0-5.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927808/+attachment/5502531/+files/dmesg-5.13.0-5.txt
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Please do below step-by-step:
1. install compiler
$ sudo apt install build-essential
2. untar attached driver into any place you want
$ tar zxvf rtw88_.tar.gz
3. enter the folder
4. compiler driver
$ make -f Makefile-rtw88 -j8
5. remove module
$ sudo rmmod rtw88_8821ce rtw88_8821c
For #28.
Thank you, Kai-Heng.
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rtw88_8821ce causes freeze
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A custom built Ubuntu kernel with the patch can be found here:
https://people.canonical.com/~khfeng/lp1927808/
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Title:
rtw88_8821ce causes
Running "uname -a" shows:
Linux ollee 5.13.0-051300rc4-generic #202105302331 SMP Sun May 30 23:33:24 UTC
2021 x86_64 x86_64 x86_64 GNU/Linux
as installed from
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.13-rc4/amd64/
Maybe you could send me the compiled files that I would need to put in
Could you tell me your version of Ubuntu kernel by 'uname -a'?
I can send you a tarball of rtw88 driver with my patch, and then you can only
build the driver as long as you have kernel header and essential build tools.
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Sorry I do not think I can (in a practical sense) test the patch:
I do not think I have ever built my own Ubuntu kernel.
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Title:
rtw88_8821ce
** Tags added: patch
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rtw88_8821ce causes freeze
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Please try attached patch, and see if it works.
Note. Don't apply kernel command, and remove /etc/modprobe.d/rtw88_pci.conf
Without a 8821CE, I can't diagnose the symptom, so I contact my colleague to
check if we can reproduce this symptom. If any update, I'll let you know.
** Patch added:
The info you wanted (though was in the original bug report):
psz@ollee:~$ sudo dmidecode | grep -E "(Manufacturer|Product)"
Manufacturer: Protempo Ltd
Product Name: L116HTN6SPW
...
I still worry about that (0.1sec?) timeout "to flush queue 2":
why would that happen,
The first message, "rtw_8821ce :04:00.0: timed out to flush queue
2", means the buffered data isn't transmitted properly. I think this
isn't a big deal.
The second message, "rtw_8821ce :04:00.0: firmware failed to leave lps
state", means firmware doesn't respond the request of leaving
** Attachment added: "dmesg-5.13rc4-rtw88-aspm.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927808/+attachment/5502051/+files/dmesg-5.13rc4-rtw88-aspm.txt
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Setting /etc/modprobe.d/rtw88_pci.conf to contain
options rtw88_pci disable_aspm=1
seems to have worked: no freeze. To confirm the setting:
psz@ollee:~$ grep . /sys/module/rtw88_pci/parameters/*
/sys/module/rtw88_pci/parameters/disable_aspm:Y
My propose method is to fix ASPM issue by driver instead.
So, don't apply "pcie_aspm=force pcie_aspm.policy=performance" to kernel
parameter, but
add a file /etc/modprobe.d/rtw88_pci.conf with below content
options rtw88_pci disable_aspm=1
(Sorry, disable_aspm=0 in #17 is typo)
Then,
Do you mean to use disable_aspm=0 as kernel parameter, instead of
previous "pcie_aspm=force pcie_aspm.policy=performance"? OK, will try.
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Could you please try disable_aspm=0 when loading rtw88_pci.ko?
If it works, we may add a quirk in driver by vendor and product name.
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Title:
PKShih, can you please take a look? It's ASPM related.
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https://bugs.launchpad.net/bugs/1927808
Title:
rtw88_8821ce causes freeze
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** Attachment added: "dmesg-5.13rc4-pcie_aspm.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927808/+attachment/5501630/+files/dmesg-5.13rc4-pcie_aspm.txt
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Thanks, 5.13-rc4 with those pcie_aspm options looks promising,
no freeze in about an hour. Output of dmesg attached. I wonder
about the "timed out to flush queue 2" lines.
(Hmm... cannot attach file? Will try later.)
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Bugs,
The caller already holds the lock. It's not uncommon.
Can you please try kernel parameter "pcie_aspm=force
pcie_aspm.policy=performance"?
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https://bugs.launchpad.net/bugs/1927808
Title:
Just wondering (maybe I am way off ...).
In kernel code I often see segments like
lock(thing)
do stuff
unlock(thing)
but in drivers/net/wireless/realtek/rtw88/main.c there is:
void rtw_core_stop(struct rtw_dev *rtwdev)
{
...
mutex_unlock(>mutex);
...
I have now tried the RC4 kernel from
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.13-rc4/amd64/
and sorry, but the freeze is still there.
Only now I notice that, curiously, the freeze may (is more likely to?)
occur while the network is essentially idle.
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Hmm, it'll be great if you can build a kernel locally and test it...
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https://bugs.launchpad.net/bugs/1927808
Title:
rtw88_8821ce causes freeze
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Hmm... would love to test v5.13-rc3, but no *.deb files there,
file "log" suggests the build filled up the disk.
I will check again in a day or two... or please let me know when fixed.
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Possible bug in i915:
[ 35.655312] i915 :00:02.0: [drm] Resetting rcs0 for CS error
[ 35.655359] i915 :00:02.0: [drm] Xwayland[944] context reset due to GPU
hang
[ 35.663410] i915 :00:02.0: [drm] GPU HANG: ecode 9:1:8cbf8db6, in
Xwayland [944]
Please test latest mainline
I tried 5.13, installing packages
linux-headers-5.13.0-051300rc1-generic_5.13.0-051300rc1.202105092230_amd64.deb
linux-headers-5.13.0-051300rc1_5.13.0-051300rc1.202105092230_all.deb
linux-image-unsigned-5.13.0-051300rc1-generic_5.13.0-051300rc1.202105092230_amd64.deb
Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.13-rc1/amd64/
There are several rtw88 fixes.
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https://bugs.launchpad.net/bugs/1927808
Title:
Output of dmesg (with kernel built-in driver)
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1927808/+attachment/5495958/+files/dmesg.txt
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Possible to attach dmesg with the builtin driver?
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https://bugs.launchpad.net/bugs/1927808
Title:
rtw88_8821ce causes freeze
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I should have added: I had tried the 5.12 kernel from
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.12/amd64/
and that was same (or worse, seemed to freeze quicker).
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