Works fine for me with the update from bluez PPA, thanks #29
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https://bugs.launchpad.net/bugs/1759628
Title:
bluez regression: Bluetooth audio fails to reconnect after
@petzke
I've tried all different driver options on my Yoga 2 13. Although wifi
stability improved, I was never able to achieve fully reliable connection at
all times. I've switched to an Intel ac wifi card recently, and wifi is much
better now (although still not 100% reliable, but that's
A workaround for Ubuntu 15.04 is to add a new service to systemd which
reloads the module after suspend:
sven@:/etc/systemd/system$ more touchscreen.service
[Unit]
Description=Restore touchscreen after suspend
After=suspend.target
[Service]
Type=simple
ExecStartPre=/sbin/modprobe -r
** Attachment added: wakeup as requested
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1449502/+attachment/4390782/+files/wakeup
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** Attachment added: initiating suspend with pm_trace - the system does *not*
suspend
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1449502/+attachment/4390783/+files/dmesg.txt
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Regretfully initiating suspend via:
sudo sh -c sync echo 1 /sys/power/pm_trace pm-suspend
... does not suspend the computer, it seems to wake up immediately.
Suspending the computer via Gnome plugin or closing the lid results in a
failed suspend.
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@penalvch: Many thanks for pointing me to the new bios version. But the
update didn't change anything :/.
sven@svenBlack:~$ sudo dmidecode -s bios-version sudo dmidecode -s
bios-release-date
96CN30WW(V1.16)
04/15/2015
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Neither 4.0.1 nor 4.1.0-rc1 improve the situation.
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1449502
Title:
suspend fails if mobile wifi
Simulated suspend as recommended here:
https://wiki.ubuntu.com/DebuggingKernelSuspend
** Attachment added: dmesg dmesg.txt for kernel 4.0.0 after failed suspend
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1449502/+attachment/4386531/+files/dmesg.txt
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Public bug reported:
With Gnome Ubuntu 15.10 suspend/resume works like a charm, *unless* I
plug in my Huawei E586 mobile Wifi.
Note that the mobile device is connected for charging only. Although it
reports in dmesg as USB Mass Storage, I'm not using it for storage nor
can I access it via
** Attachment added: apport crash report
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1449502/+attachment/4386532/+files/susres.2015-04-28_12%3A47%3A07.601998.crash
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I've done some tests:
- it doesn't matter which port I plug in the mobile wifi - suspend will fail
- if the mobile wifi is turned off, suspend works fine (no suprise here)
- plugging in my usb stick, doesn't have a negative effect
- plugging in my external hard drive, doesn't have a negative
I've switched to Gnome Ubuntu 15.04 and suspend works reliably now.
Although I don't know why the kernel changes didn't take effect in
14.10, they seem to have fixed the problem now.
This bug can be closed.
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sudo sh -c sync echo 1 /sys/power/pm_trace pm-suspend
... suspend fails ...
dmesg dmesg-4.0.0.txt
** Attachment added: dmesg-4.0.0.txt
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1416847/+attachment/4376972/+files/dmesg-4.0.0.txt
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@rrs: It would be interesting to know any difference between your device and
mine:
- mine has a Realtek (rtl8723be) wifi card
- I have installed an SSD, the built-in HDD is kept on standby most of the time
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cat /proc/acpi/wakeup wakeup-4.0.0
** Attachment added: wakeup-4.0.0
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1416847/+attachment/4374966/+files/wakeup-4.0.0
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Sorry, I didn't thought the kernel would matter, since up till now all
are affected.
I've upgraded to kernel 4.0.0 final now, and will provide the missing
dmesg.txt when the next suspend failure occurs.
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cat /proc/acpi/wakeup wakeup
** Attachment added: wakeup
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1416847/+attachment/4373982/+files/wakeup
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sudo sh -c sync echo 1 /sys/power/pm_trace pm-suspend
... suspend fails ...
dmesg dmesg.txt
** Attachment added: dmesg.txt
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1416847/+attachment/4373993/+files/dmesg.txt
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Nope, blacklisting mei and mei-me didn't help either.
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Title:
kerneloops on suspend from resume
Status in linux package in Ubuntu:
kernel 4.0-rc6 didn't fix it :(.
I'm trying out blacklisting of mei and mei-me now.
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Title:
kerneloops on suspend from resume
Bad news: neither 3.19.3 nor 4.0-rc5 fixes the problem :(.
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Title:
kerneloops on suspend from resume
Status in linux package in
@rrs: Many thanks for the reference to the upstream commit.
@penalvch: I'm running 4.0-rc5 now for almost 48 hours and no hang
happened up til now *keeping fingers crossed*
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I've tried all kernels from 3.16 to 4.0 and none delivered reliable
suspend-resume: lately it seems that 48hrs is indeed the max duration to
survive.
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As a matter of fact, resume from suspend worked fine here on two
different Lenovo Yogas for two weeks now.
I don't know why the problem showed up intermittently, but Kernel 3.19
seems to have fixed it in the long run already.
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Regretfully the problem reappeared: Since yesterady overy other suspend
results in a black screen and frozen machine.
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Title:
Ten days later and I didn't experience a single failure during resume.
So kernel 3.19 indeed fixed this issue.
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Title:
kerneloops
Installed 3.19 kernel and resume from suspend worked fine in the last 24
hours.
** Tags added: kernel-fixed-upstream
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Title:
apport information
** Attachment added: UdevLog.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309954/+files/UdevLog.txt
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apport information
** Attachment added: ProcCpuinfo.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309949/+files/ProcCpuinfo.txt
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apport information
** Attachment added: IwConfig.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309946/+files/IwConfig.txt
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apport information
** Attachment added: ProcModules.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309951/+files/ProcModules.txt
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apport information
** Attachment added: Lsusb.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309948/+files/Lsusb.txt
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apport information
** Attachment added: WifiSyslog.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309955/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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apport information
** Attachment added: ProcInterrupts.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309950/+files/ProcInterrupts.txt
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apport information
** Attachment added: BootDmesg.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309943/+files/BootDmesg.txt
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apport information
** Attachment added: CurrentDmesg.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309945/+files/CurrentDmesg.txt
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apport information
** Attachment added: UdevDb.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309953/+files/UdevDb.txt
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apport information
** Attachment added: CRDA.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309944/+files/CRDA.txt
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apport information
** Attachment added: RfKill.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309952/+files/RfKill.txt
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apport information
** Attachment added: Lspci.txt
https://bugs.launchpad.net/bugs/1416847/+attachment/4309947/+files/Lspci.txt
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** Package changed: ubuntu = linux (Ubuntu)
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Title:
kerneloops on suspend from resume
Status in linux package in Ubuntu:
New
apport information
** Tags added: apport-collected
** Description changed:
Every third or fourth suspend failes on my Lenovo Yoga 2-13, I have to
hard reset the notebook.
Apportcheckresume informs me about an internel error on next boot, but I
cannot find the cause of the problem in
** Attachment added: wpa_supplicant_reconnect_fails_after_reload.log
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1414972/+attachment/4306403/+files/wpa_supplicant_reconnect_fails_after_reload.log
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** Attachment added: wpa_supplicant_connect.log
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1414972/+attachment/4306401/+files/wpa_supplicant_connect.log
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Public bug reported:
Background information:
I'm investigating problems with suspend from resume and my wifi driver
rtl8723be. For this I added my wifi module to SUSPEND_MODULES in
/etc/pm/config.d/modules. What I noticed is that after reloading of the module
on suspend, wpa_supplicant is not
** Attachment added: wpa_supplicant_disconnect_after_unload.log
https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1414972/+attachment/4306402/+files/wpa_supplicant_disconnect_after_unload.log
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#73, could you try out
https://github.com/lwfinger/rtlwifi_new/issues/22#issuecomment-70407994
?
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https://bugs.launchpad.net/bugs/1240940
Title:
Need support for Realtek
Argh, on battery power wifi still disconnects after half an hour to an
hour stable connection :(.
So regretfully no solution yet.
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After further testing I cannot confirm a fix either by installing kernel 3.18
nor by installing the latest rtlwifi_new as suggested in #55.
After 20 to 30 minutes of surfing the wifi connection is still shown as active
in Gnome status, but no data is coming through.
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Syslog after connection is lost.
** Attachment added: Syslog after connection is lost.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1240940/+attachment/4291306/+files/RTL8723BE.syslog
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Sorry for the noise, but I have a solution for my system now:
http://ubuntuforums.org/showthread.php?p=13119513#post13119513
Disabling power save together with kernel 3.18 and latest rtlwifi_new
works performant and stable on my Lenovo Yoga 2-13.
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Kernel 3.18 does not seem to include the fix. Instructions ins #55
solved the problem for me on Kernel 3.16 though . Thanks.
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Title:
Works fine with 14.04 on my 900x3c
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https://bugs.launchpad.net/bugs/986724
Title:
[Samsung NP900X3B-A01US] Lid state changes not detected
Status in The Linux Kernel:
Works fine with 14.04 on my 900x3c
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https://bugs.launchpad.net/bugs/971061
Title:
acpi reports battery state incorrectly
Status in “linux” package in Ubuntu:
Won't Fix
A simple software update has solved the issue. Sorry for the noise, I
should have done an update before reporting the problem.
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I'll test with the latest kernel next week (when I have faster internet
connection).
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https://bugs.launchpad.net/bugs/1212245
Title:
external USB drive takes minutes to be
Public bug reported:
After plugging in my Toshiba USB drive, it takes several minutes for
Ubuntu to recognize and mount the new device, see attached syslog
output.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-28-generic 3.8.0-28.41
ProcVersionSignature: Ubuntu
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