Hello,
This is just to say problem has been solved for me with the
sudo iw dev wlp12s0 set power_save off
command.
My laptop is a Dell Latitude D620, running Ubuntu 18.04 with mainline
4.19.77-041977-generic kernel
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My problem with iwl3945, (no wifi and no report of firmware load,
comments #19 and on) seems to have been resolved. I don't know what
caused it initially, but after removing *all* apparently-broadcom-
related packages wifi works on two hp6710b laptops running fully updated
xenial with the HWE
I'd like to add a few things:
- When signal is lower this happens more often.
- Disabling power management didn't help.
- The issue does not happen with a 751U-2HnD (three weeks testing), but
with a cheap tp-link is more probable.
On Fri, Oct 13, 2017 at 4:04 PM, Erp Folger
I had the same problem. I disabled power-save like korgman (korgie) wrote.
look, if power-save is enabled...
-> $ iw dev wlan0 get power_save
if yes, do this...
-> $ iw dev wlan0 set power_save off
Buf if there will be a new kernel (I guess), you have to repeat this.
(my laptop ist a x60 lenovo
I have tried this script, modified to use wlp16s0. It reports 'Power
save: off' on both entry and exit and has no apparent effect. Still no
firmware load, and ifconfig -a shows no inet address.
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It looks like it is indeed a power management issue. Last threee days I made
and manually run this script when I login;
seba@D630:~$ cat $HOME/bin/iwl_power_save.sh
sudo iw dev wlp12s0 get power_save
sudo iw dev wlp12s0 set power_save off
sudo iw dev wlp12s0 get power_save
and I haven't had any
Hello,
I am adding some experience and a new dump.
Trying to get more data, I build my own kernel from ubuntu sources, leaving
JUST iwl3945, and enabling debugging.
I still have the issue.
However, I notice the ... crash? happens more often if I am far/low signal.
While I am near the AP, the
The VPD error message is addressed in this document from HP
http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=mmr_kc-0131686
which has links to kernel patches from SUSE that are related to the one
in comment #25
It isn't clear to me how much of this is already in the 'buntu kernels,
or
I installed the 16.04 HWE option on the problematic HP 6710b, but it has had no
effect on the wifi.
It did cause a black-screen problem and drm_wait messages, worked around by
disabling SVIDEO in grub.
$ uname -rsvp
Linux 4.8.0-58-generic #63~16.04.1-Ubuntu SMP Mon Jun 26 18:08:51 UTC 2017
A second HP 6710b has wifi that still works. I have not tried an
update.
matthew@matthew-HP-Compaq-6710b-GB898ET-ABU:~$ uname -rsvp
Linux 4.4.0-66-generic #87-Ubuntu SMP Fri Mar 3 15:29:05 UTC 2017 x86_64
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This laptop, similar age, connects fine - although I haven't tried
leaving it running for long.
john@john-HP-Compaq-nc6320-RH367ET-ABU:~$ lspci -nnk | grep -iA2 net
02:0e.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5788
Gigabit Ethernet [14e4:169c] (rev 03)
Subsystem:
This is clearly not directly related to the bug definition, but I'm not
getting wifi with a dongle that used to work. Here's dmesg on plugging
it in. I'm in the UK.
642.752097] usb 2-5: new high-speed USB device number 4 using ehci-pci
[ 642.932296] usb 2-5: New USB device found,
After much fruitless experiment I loaded an SL7.3 KDE live disk. The dmesg |
grep firmware response had only one line of 'vpd r/w failed' (which seems to
have been around for a long time) followed by a successful load of the iwl3945
firmware. But still no wifi connection - until, on editing
john@john-HP-Compaq-6710b-GR680ET-ABU:~$ dmesg | grep firmware
[2.908019] tg3 :18:00.0: vpd r/w failed. This is likely a firmware bug
on this device. Contact the card vendor for a firmware update
[2.968042] tg3 :18:00.0: vpd r/w failed. This is likely a firmware bug
on this
I have an HP6710b that was working until around 6 June. Since then the
firmware for the 3945 does not appear to have been loading and wifi is
completely dead.
16.04, up to date.
Another laptop, HP nc6320, also has 3945 and 16.04, yet wifi is ok.#
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No help from those commands.
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https://bugs.launchpad.net/bugs/1627828
Title:
iwl3945 crashes randomly
Status in linux package in Ubuntu:
Confirmed
Bug description:
try those commands.
iwconfig wlan0 retry 30
iwconfig wlan0 frag 2346
iwconfig wlan0 rts 2347
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https://bugs.launchpad.net/bugs/1627828
Title:
iwl3945 crashes randomly
I have the issue with wifi power save off so it cant be that.
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Title:
iwl3945 crashes randomly
Status in linux package in Ubuntu:
I have response from "intel-driver-man" and I think he is right. I
indeed manually enabled powersaving via powertop.
I quote:
"This could be caused by power save, which is disable by default
in the driver but some programs/distribution seems to enable
it without user knowlage. First check:
$ iw
I have send email to the above page.
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Title:
iwl3945 crashes randomly
Status in linux package in Ubuntu:
Confirmed
Bug
Someone who has the time and energy should probably take this upstream.
I believe here are the correct contact info:
https://wireless.wiki.kernel.org/en/users/drivers/iwlegacy#support
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The "solution" in my case is: modprobe -r iwl3945 > wifi button off (I
have a physical button) > standby (suspend to ram) > power on the
computer > wifi switch on > modprobe iwl3945
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Same here with kernel 4.4.49 on Slackware. (Custom build)
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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Title:
Problem still exists. I have the same Wi fi.
Sometime just turned off and everything. Interface Restarting does not help.
Проблема осталась. У меня такая же вай фай.
Переодически просто отключается и всё. Перезапуск интерфейсов не помогает.
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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mxyzptlk, I did some bisection in the following bug if its of any help:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1629603
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mxyzptlk, it will help immensely if you filed a new report with the Ubuntu
repository kernel (not mainline/upstream) via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
For more on why this is helpful, please see
https://wiki.ubuntu.com/ReportingBugs.
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I've been having the same issue for a number of months now, not fixed on
the upgrade to 16.10. It's now happening multiple times a day, meaning
the laptop needs to be connected via ethernet for it to be reliable.
Anything I can do? Just report it to the Ubuntu repository kernel like
drwt?
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drwt, it will help immensely if you filed a new report with the Ubuntu
repository kernel (not mainline/upstream) via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
For more on why this is helpful, please see
https://wiki.ubuntu.com/ReportingBugs.
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I have the same network controller and
I have been having trouble with wifi stopping working intermittently
after updating to 16.04 requiring a reboot so I surmise this is the
correct issue.
I am currently on 16.10 4.8.0-17-generic #19-Ubuntu SMP Sun Sep 25
05:28:27 UTC 2016 but the issue still
tristezo2k, thank you for reporting this and helping make Ubuntu better.
In order to allow additional upstream developers to examine the issue, at your
earliest convenience, could you please test the latest upstream kernel
available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ?
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