bios-version sudo dmidecode -s
bios-release-date
2.4.0
05/24/2007
psz@DellE520:~$
Hope this helps.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
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after 18000 or so sleeps
and crashed/froze so I had to press the POWER button to recover.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
---
AlsaVersion: Advanced Linux Sound
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
List of PLAYBACK Hardware Devices
card
of correctness, until some understanding of this bug:
the kernel code is common between 32- and 64-bit.
---
Long and boring details below.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
.
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
List of PLAYBACK Hardware Devices
on the value of /proc/sys/fs/file-max .
Cheers, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
---
Machine: Dell Optiplex 760, 4GB RAM
Results:
Version Name kernel
4.10Warty
perfectly with the internal
speakers and microphone. I never attempted to connect headphone/headset
or HDMI audio, so cannot comment on those.
I am happy enough... but audio should work out-of-the-box, without any
such scripts or subterfuge.
Thanks, Paul
Paul Szabo p...@maths.usyd.edu
any
such scripts or subterfuge.
Thanks, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of SydneyAustralia
** Affects: alsa-ucm-conf (Ubuntu)
Importance: Undecided
Status: New
** Attachment added
headphone/headset
or HDMI audio, so cannot comment on those.
I am happy enough... but audio should work out-of-the-box, without any
such scripts or subterfuge.
Thanks, Paul
Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics
each boot, sound works perfectly with the internal
speakers and microphone. I never attempted to connect headphone/headset
or HDMI audio, so cannot comment on those.
I am happy enough... but audio should work out-of-the-box, without any
such scripts or subterfuge.
Thanks,
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
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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** Description changed:
My laptop (Ollee L116HTN6SPW) has a Realtek 8821CE WiFi card.
- Now at hirsute, this is "supported" in the linux-image-5.11.0-16-generic
kernel,
- and it works "well" for both WiFi and Bluetooth. However, this module (driver)
- causes frequent freezes, randomly but
Public bug reported:
My laptop (Ollee L116HTN6SPW) has a Realtek 8821CE WiFi card.
Now at hirsute, this is "supported" in the linux-image-5.11.0-16-generic kernel,
and it works "well" for both WiFi and Bluetooth. However, this module (driver)
causes frequent freezes, randomly but usually within a
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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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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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);
...
** 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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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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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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** 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
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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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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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,
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
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:
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
Can you post the contents of your /etc/modprobe.d/rtw88_pci.conf file?
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Title:
rtw88_8821ce causes freeze
Status in linux package
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,
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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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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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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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:
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"
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
Surely same non-fix as Impish
** Changed in: linux (Ubuntu Jammy)
Status: Fix Released => Confirmed
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Title:
Released "fix" did not solve issue
** Changed in: linux-oem-5.13 (Ubuntu Focal)
Status: Fix Released => Confirmed
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Released "fix" did not solve issue
** Changed in: linux (Ubuntu Impish)
Status: Fix Released => Confirmed
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Title:
Released "fix" did not solve issue
** Changed in: linux (Ubuntu Jammy)
Status: Fix Released => Confirmed
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Title:
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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May I (should I) change status "Fix released" to "Confirmed"?
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Title:
rtw88_8821ce causes freeze
Status in HWE Next:
Thanks! 5.13.0-28-generic seems to work fine for me
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Title:
rtw88_8821ce causes freeze
Status in HWE Next:
New
Status
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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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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(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
** Tags removed: verification-needed-impish
** Tags added: verification-failed-impish
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Title:
rtw88_8821ce causes freeze
Should have mentioned... that lspci is with the "plain impish"
5.13.0-23-generic kernel.
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Title:
rtw88_8821ce causes
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"
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
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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... 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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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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Sorry, NOT FIXED. I updated to 5.15.0-47-generic and removed file
/etc/modprobe.d/rtw88_pci.conf that contained the setting
options rtw88_pci disable_aspm=1
and my laptop promptly froze. Sanity restored by putting the
rtw88_pci.conf file back in place.
Please do not "resolve" this ticket at
Tested 5.15.0-47-generic, not fixed
** Changed in: linux (Ubuntu)
Status: Fix Released => Confirmed
** Changed in: linux (Ubuntu Jammy)
Status: Fix Released => Confirmed
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Should I also test linux-next as per comment #95?
(Pippo said in #96 that it blocks network after 24 hours.)
Sorry for the slow response, I have been away on holidays
(and relying on my laptop, so unwilling to run tests).
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