Re: 3.12-rc5 and overwritten partition table - by powertop?

2014-01-23 Thread John Twideldum
>(CCing linux-ide) > >It seems like most likely either the SATA host controller or drive >doesn't play nice with link power management enabled. Can you post the >full dmesg boot log? I found backup, yay! -> attached Compared to Stefan's report, same hardware, same SSD, only my BIOS is one rev

Re: 3.12-rc5 and overwritten partition table - by powertop?

2014-01-23 Thread John Twideldum
(CCing linux-ide) It seems like most likely either the SATA host controller or drive doesn't play nice with link power management enabled. Can you post the full dmesg boot log? I found backup, yay! - attached Compared to Stefan's report, same hardware, same SSD, only my BIOS is one rev older

Re: 3.12-rc5 and overwritten partition table - by powertop?

2013-10-29 Thread John Twideldum
>> >> The first ~170kb of /dev/sda got blown away with what seems to be a >> >> logging output >> >> by Powertop, when I was playing with the tuneables. >> > >> >So did you log the output to some file? I'm just trying to understand how >> >it could get onto your disk in the first place... >> >>

Re: 3.12-rc5 and overwritten partition table - by powertop?

2013-10-29 Thread John Twideldum
>> The first ~170kb of /dev/sda got blown away with what seems to be a logging >> output >> by Powertop, when I was playing with the tuneables. > >So did you log the output to some file? I'm just trying to understand how >it could get onto your disk in the first place... Attached a dump of the

Aw: 3.12-rc5 and overwritten partition table - by powertop?

2013-10-29 Thread John Twideldum
replying to myself with more insights...   >000 13.0\nalsa:hw >020 C0D0\t99.0\nal >040 sa:hwC0D3\t99.000 >060 00\nbacklight:acp >. The first ~170kb of /dev/sda got blown away with what seems to be a logging output by Powertop, when I was playing with the tuneables.

3.12-rc5 and overwritten partition table

2013-10-29 Thread John Twideldum
Hi... I have a shiny new Haswell notebook (Lenovo T440s), where with 3.11 processor power management didn't work, so I got 3.12-rc5 installed. Worked fine for a few days, then today it no longer boots and inspection yields... # dd if=/dev/sda count=1 |od -t c |tr -d " " 512 bytes (512 B)

3.12-rc5 and overwritten partition table

2013-10-29 Thread John Twideldum
Hi... I have a shiny new Haswell notebook (Lenovo T440s), where with 3.11 processor power management didn't work, so I got 3.12-rc5 installed. Worked fine for a few days, then today it no longer boots and inspection yields... # dd if=/dev/sda count=1 |od -t c |tr -d 512 bytes (512 B) copied,

Aw: 3.12-rc5 and overwritten partition table - by powertop?

2013-10-29 Thread John Twideldum
replying to myself with more insights...   000 13.0\nalsa:hw 020 C0D0\t99.0\nal 040 sa:hwC0D3\t99.000 060 00\nbacklight:acp . The first ~170kb of /dev/sda got blown away with what seems to be a logging output by Powertop, when I was playing with the tuneables.

Re: 3.12-rc5 and overwritten partition table - by powertop?

2013-10-29 Thread John Twideldum
The first ~170kb of /dev/sda got blown away with what seems to be a logging output by Powertop, when I was playing with the tuneables. So did you log the output to some file? I'm just trying to understand how it could get onto your disk in the first place... Attached a dump of the first 1Mb

Re: 3.12-rc5 and overwritten partition table - by powertop?

2013-10-29 Thread John Twideldum
The first ~170kb of /dev/sda got blown away with what seems to be a logging output by Powertop, when I was playing with the tuneables. So did you log the output to some file? I'm just trying to understand how it could get onto your disk in the first place... Attached a dump of the