[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 Aaron Lu aaron...@intel.com changed: What|Removed |Added Status|RESOLVED|CLOSED CC|

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 Zhang Rui rui.zh...@intel.com changed: What|Removed |Added Status|ASSIGNED|RESOLVED

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 Len Brown l...@kernel.org changed: What|Removed |Added Status|NEEDINFO|ASSIGNED

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 --- Comment #6 from s...@tiscali.it 2012-10-31 19:53:40 --- Because I have no time to compile a vanilla kernel, I tried a Debian precompiled kernel. I used the 3.5.5 linux kernel (taken from here:

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 --- Comment #5 from Len Brown l...@kernel.org 2012-10-30 01:56:43 --- If you can reproduce a regression using an upsream kernel by simply booting the new kernel, then it is a kernel bug. However, this one looks like it may be related to

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 --- Comment #4 from s...@tiscali.it 2012-09-04 11:44:05 --- Created an attachment (id=79211) -- (https://bugzilla.kernel.org/attachment.cgi?id=79211) Device Descriptor -- Configure bugmail:

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 Alan a...@lxorguk.ukuu.org.uk changed: What|Removed |Added CC||a...@lxorguk.ukuu.org.uk

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 --- Comment #3 from s...@tiscali.it 2012-07-28 00:30:14 --- I'm investigating the issue. Changing the /sys/bus/usb/devices/usb4/4-1/power/control from on to auto, have the right effect to auto-suspend the HDSPA modem. This will save about 500

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 --- Comment #2 from s...@tiscali.it 2012-01-31 10:13:58 --- I tried disabling Network Manager connection and disabling the device from the BIOS. In both cases powertop shows that the device is used at 100%. Enabling powersave mode for this

[Bug 42690] powertop reports power regression on Globetrotter HSDPA modem

https://bugzilla.kernel.org/show_bug.cgi?id=42690 Len Brown l...@kernel.org changed: What|Removed |Added Status|NEW |NEEDINFO CC|