Re: Improving Linux laptop battery life: Testers Wanted

Hi Hans, do you have any F27 kernel to test SATA Link Power Management (LPM)? Best regards ___ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org

Re: Improving Linux laptop battery life: Testers Wanted

On Mon, Oct 23, 2017, 3:13 PM Hans de Goede wrote: > Hi, > > On 21-10-17 20:50, Kevin Fenzi wrote: > > On 09/14/2017 04:22 AM, Hans de Goede wrote: > >> Hi All, > >> > >> My next project for Red Hat is to work on improving Linux laptop battery > >> life. > >> Part of the

Re: Improving Linux laptop battery life: Testers Wanted

Hi, On 21-10-17 20:50, Kevin Fenzi wrote: On 09/14/2017 04:22 AM, Hans de Goede wrote: Hi All, My next project for Red Hat is to work on improving Linux laptop battery life. Part of the (hopefully) low hanging fruit here is using kernel tunables to enable more runtime powermanagement. My

Re: Improving Linux laptop battery life: Testers Wanted

On 09/14/2017 04:22 AM, Hans de Goede wrote: > Hi All, > > My next project for Red Hat is to work on improving Linux laptop battery > life. > Part of the (hopefully) low hanging fruit here is using kernel tunables to > enable more runtime powermanagement. My first target here is SATA Link > Power

Re: Improving Linux laptop battery life: Testers Wanted

On Wed, Sep 27, 2017 at 11:54:29PM +0200, Germano Massullo wrote: > > > It might be that systemd does not like that rc.local is owned > > by "user" rather then "root" > Unfortunately > # chown root:root /etc/rc.d/rc.local > did not solve the problem, instead manually running the script as root, >

Re: Improving Linux laptop battery life: Testers Wanted

> It might be that systemd does not like that rc.local is owned > by "user" rather then "root" Unfortunately # chown root:root /etc/rc.d/rc.local did not solve the problem, instead manually running the script as root, changed the /sys/class/scsi_host/host0/link_power_management_policy state to

Re: Improving Linux laptop battery life: Testers Wanted

Hi, On 26-09-17 16:59, Germano Massullo wrote: This message may be useful to others having my similar problem. On a Thinkpad X220, after having booted the custom kernel, running [root@machine]# cat /sys/class/scsi_host/host0/link_power_management_policy I get max_performance instead of

Re: Improving Linux laptop battery life: Testers Wanted

This message may be useful to others having my similar problem. On a Thinkpad X220, after having booted the custom kernel, running [root@machine]# cat /sys/class/scsi_host/host0/link_power_management_policy I get max_performance instead of med_power_with_dipm Here some machine details

Re: Improving Linux laptop battery life: Testers Wanted

This message may be useful to others having my similar problem. On a Thinkpad X220, after having booted the custom kernel, running [root@machine]# cat /sys/class/scsi_host/host0/link_power_management_policy I get max_performance instead of med_power_with_dipm Here some machine details

Re: Improving Linux laptop battery life: Testers Wanted

Hi, Germano Massullo wrote: > Thank you for the extensive explanation! > > Ok, at the end of each day I will give a look to "dmesg", just to be > sure that everything went fine. > I will also check for firmware updates before starting the tests. > > A few questions/statements: > 1) is it okay

Re: Improving Linux laptop battery life: Testers Wanted

Thank you for the extensive explanation! > TL;DR: I do not expect you to see any silent data corruption if > anything goes wrong, you should know. Ok, at the end of each day I will give a look to "dmesg", just to be sure that everything went fine. I will also check for firmware updates before

Re: Improving Linux laptop battery life: Testers Wanted

Hi, On 17-09-17 17:26, Germano Massullo wrote: Il 17/09/2017 15:39, Hans de Goede ha scritto: Hi, On 14-09-17 14:44, Germano Massullo wrote: Hi Hans, I can provide ~10 different Thinkpad models to test your code. Looking forward to start! That is great, thank you. I'm looking forward to

Re: Improving Linux laptop battery life: Testers Wanted

Il 17/09/2017 15:39, Hans de Goede ha scritto: > Hi, > > On 14-09-17 14:44, Germano Massullo wrote: >> Hi Hans, I can provide ~10 different Thinkpad models to test your code. >> Looking forward to start! > > That is great, thank you. > > I'm looking forward to hear back from you with the results.

Re: Improving Linux laptop battery life: Testers Wanted

Hi, On 14-09-17 14:44, Germano Massullo wrote: Hi Hans, I can provide ~10 different Thinkpad models to test your code. Looking forward to start! That is great, thank you. I'm looking forward to hear back from you with the results. Regards, Hans

Re: Improving Linux laptop battery life: Testers Wanted

Hi Hans, I can provide ~10 different Thinkpad models to test your code. Looking forward to start! Have a nice day ___ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org

Improving Linux laptop battery life: Testers Wanted

Hi All, My next project for Red Hat is to work on improving Linux laptop battery life. Part of the (hopefully) low hanging fruit here is using kernel tunables to enable more runtime powermanagement. My first target here is SATA Link Power Management (LPM) which, as Matthew Garrett blogged about