*** This bug is a duplicate of bug 1970392 ***
https://bugs.launchpad.net/bugs/1970392
** This bug has been marked a duplicate of bug 1970392
22.04 USB devices do not work after sleep on Dell XPS 13 9370
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https://bugs.launchpad.net/bugs/1970392/+attachment/5595251/+files/Lspci.txt
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https://bugs.launchpad.net/bugs/1970392/+attachment/5595258/+files/ProcCpuinfoMinimal.txt
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** Attachment added: "Lsusb-t.txt"
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Unfortunately, this has happened again, so I used apport-collect to
attach the latest info.
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Title:
22.04 USB devices do not work af
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https://bugs.launchpad.net/bugs/1970392/+attachment/5595264/+files/UdevDb.txt
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https://bugs.launchpad.net/bugs/1970392/+attachment/5595250/+files/IwConfig.txt
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** Attachment added: "Lsusb.txt"
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** Description changed:
I have a Dell XPS 13 9370 that came with Ubuntu preinstalled. I have
just completed a fresh install of 22.04 on it.
When I suspend the laptop, the USB devices that were plugged in when I
suspended do not work.
apport information
** Attachment added: "ProcInterrupts.txt"
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Thanks Kai-Heng.
I have updated this and will keep you posted:
$ sudo dmidecode -s bios-version
1.19.0
$ sudo dmidecode -s bios-release-date
03/22/2022
Devices that have been updated successfully:
• System Firmware (1.12.1 → 1.19.0)
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Just by way of update, this does not happen very often. It happened to
me again today after I have changed around which ports I have things in,
perhaps for the first time since I reported this a month ago. The same
Thunderbolt ports are not working after suspend, but the USB-C only port
works.
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Yes, I think that is correct.
If you look at this diagram:
https://www.dell.com/support/manuals/en-uk/xps-13-9370-laptop/xps-13-9370-setupandspecs/left?guid=guid-a06ee5db-8981-4955-86ab-82b36e5aff57&lang=en-us
I normally plug the monitor with keyboard into the port labelled 2 and the
network adap
Public bug reported:
I have a Dell XPS 13 9370 that came with Ubuntu preinstalled. I have
just completed a fresh install of 22.04 on it.
When I suspend the laptop, the USB devices that were plugged in when I
suspended do not work. Specifically, I had an Ethernet adapter and a
USB-C monitor with a
Using the firmware from Comment #5 above stopped the wireless and my my
Bluetooth mouse from working, so I have reverted it to the standard
Ubuntu version.
sudo lspci -vvv -s 02:00.0 gives:
02:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network
Adapter (rev 32)
Su
Correct. Since I have been using Deep instead of S2Idle I have seen the
issue less -- though it has only been a couple of days as I was not
using this machine over the holidays. Even when it does break, Deep
suspending and resuming the machine brings the wireless back up and
working.
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Done, thanks Kai-Heng. How can I check I'm using the new versions?
$ dmesg | grep ath10k
[ 15.152725] ath10k_pci :02:00.0: enabling device ( -> 0002)
[ 15.154816] ath10k_pci :02:00.0: pci irq msi oper_irq_mode 2 irq_mode 0
reset_mode 0
[ 15.436782] ath10k_pci :02:00.0: qca61
I'm marking this as incomplete for now until I can provide more
information on relative power usage, things broken in modern
standby/s2idle etc.
If we can get the power usage materially similar to deep sleep but with
an instant-on experience etc (and everything else works as expected)
then that se
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Title:
Dell XPS 13 (9370) defaults to s2idle sleep/suspend ins
More background information on 'Modern Standby' on Linux here:
https://lwn.net/Articles/580451/
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Title:
Dell XPS 13 (9370) defaults
Having looked into this in more detail, it sounds as though this is the
intended behaviour for new laptops that declare ACPI_FADT_LOW_POWER_S0:
https://patchwork.kernel.org/patch/9433419/
This appears related to:
https://docs.microsoft.com/en-us/windows-hardware/design/device-experiences/behavior
Normally (maybe always?) it is when the network is idle. Thanks.
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Title:
Wireless regularly breaking (ath10k firmware crashed!) afte
Public bug reported:
It seems that the Dell 9370 is set to go into s2idle mode rather than
deep sleep, forgoing significant power savings.
I have confirmed this by suspending and then checking:
sudo journalctl | grep "PM: suspend" | tail -2. If the output is
PM: suspend entry (s2idle)
PM: suspen
Public bug reported:
I have a Dell XPS 13 9370 developer edition (Ubuntu version) running
Cosmic. A handful of times per day, my wireless stops working ("?"
appears in the icon in Network Manager). Turning wireless off and then
on again, or suspending and waking the machine up, makes the wireless
See also Bug #1730331
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Title:
ath10k_pci :03:00.0: firmware crashed! (uuid n/a)
Status in Linux:
Unknown
Status in linux pack
See also Bug #1627474
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Title:
ath10k_pci: firmware crashed!
Status in linux package in Ubuntu:
Confirmed
Status in linux
Thanks Christopher,
Do you want me to do this with the latest mainline kernel, rather than
the Ubuntu 15.10 one?
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Title:
Intel Wire
For comparison, on Windows 7 (machine in same spot)
Up to 54Mbps
>iperf -c 192.168.0.102
Client connecting to 192.168.0.102, TCP port 5001
TCP window size: 63.0 KByte (default)
Ah right, thanks Christopher. Sorry, I thought you were meaning on the
Ubuntu side. I've now done that (on the latest mainline) and there
doesn't seem to be a significant variation.
$ uname -r
4.5.0-040500rc5-generic
Wireless mode was 'Up to 144Mbps (best for wireless range)'
$ iperf -c 192.168.0.
This issue still persists in 15.10.
$ iperf -s
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
[ 4] local 192.168.0.102 port 5001 connected with 192.16
No, it doesn't seem to.
=
$ iwconfig
virbr0-nic no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"VM851079-2G"
Mode:Managed Frequency:2.462 GHz Access Point: 10:0D:7F:18:C4:80
Updated to latest upstream again.
$ uname -r
4.1.0-040100rc6-generic
$ iwconfig
virbr0-nic no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"VM851079-2G"
Mode:Managed Frequency:2.462 GHz Acces
I don't think so, no.
It's this:
http://electronics360.globalspec.com/article/3410/netgear-super-hub-2-vmdg485-wireless-router-teardown
which looks quite different to the pictures on the page that you linked to.
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It's a Virgin Media Superhub 2, which is a Netgear VMDG485:
Information Cable Modem EuroDOCSIS 3.0 Compliant
Serial Number 3BW132UG04977
Boot Code Version PSPU-Boot 1.0.20.1356
Software VersionV1.01.29
Hardware Version3.11
Please let me know if you need anything fu
I have just tested this with the latest upstream kernel:
$ iperf -c 192.168.0.102
Client connecting to 192.168.0.102, TCP port 5001
TCP window size: 85.0 KByte (default)
[ 3] l
Updating the BIOS does not solve the issue (the speed actually reduced
slightly).
After updating the BIOS, this is the output:
[ 3] local 192.168.0.3 port 49429 connected with 192.168.0.102 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.1 sec 21.6 MBytes 18.0 Mbits/sec
$ s
Public bug reported:
My Intel wireless card is significantly slower in Ubuntu than it is in
Windows 7.
According to iperf (with the laptop a couple of feet from the router and the
server plugged into it):
== Ubuntu 15.04 ==
[ 4] local 192.168.0.102 port 5001 connected with 192.168.0.3 port 4367
Apologies all to waste your time. It turns out that, in moving my
computer slightly to upgrade the OS, the inside of my aerial cable broke
and this was a hardware issue.
I realised when I rolled it back and the issue persisted. I have
replaced the cable and all works fine now, thanks.
** Changed
Running
scan -x0 /usr/share/dvb/dvb-s/Astra-28.2E | tee channels.conf
gives tuning failed errors for each channel, eg:
DVB-S IF freq is 1782000
WARNING: >>> tuning failed!!!
>>> tune to: 12402:v:0:27500
DVB-S IF freq is 1802000
WARNING: >>> tuning failed!!!
>>> tune to: 12402:v:0:27500 (tuning f
Public bug reported:
I was using the TeVii DVB-S2 S480 (which is a dual tuner equivalent to two
DVB-S2 660 cards):
http://www.linuxtv.org/wiki/index.php/TeVii_S480
in Mythbuntu 12.04 for a long time without issue.
I have recently updated to 14.04 and it will no longer lock on channels, giving
t
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