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 old

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

2014-01-20 Thread Robert Hancock
On 10/29/2013 04:32 PM, John Twideldum wrote: 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 firs

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

2014-01-20 Thread Stefan Agner
Am 2013-10-29 21:10, schrieb Jan Kara: >> 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. >> (Luckily the first partition starts later :-)) > So did you log the output to some file? I'm just trying to un

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... >> >> At

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

2013-10-29 Thread Jan Kara
On Tue 29-10-13 22:58:40, John Twideldum wrote: > >> 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 ont

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 fi

Re: 3.12-rc5 and overwritten partition table

2013-10-29 Thread Jan Kara
On Tue 29-10-13 12:37:01, John Twideldum wrote: > 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... > > # d

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

2013-10-29 Thread Jan Kara
On Tue 29-10-13 15:57:54, John Twideldum wrote: > 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 loggi

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. (Lu

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