Control: tags -1 + moreinfo Hi Yuri,
On Mon, Sep 05, 2016 at 12:27:04PM +0200, Yuri D'Elia wrote: > Package: src:linux > Version: 4.7.2-1 > Severity: normal > > I'm using a Carbon X1 (3rd gen). Compared to the latest 4.6 kernel, this image > has a significant performance regression in all I/O related operations. > > Just as a ballpark, 4.6.0-1 can boot in generally less than 3 seconds after > the > grub screen. With 4.7.0-1, it takes over 10. > > I'm unsure at what exactly look for, as it could also be related to many > subsystems (I'm using an ext4 fs in an encrypted volume). I was seeing similar issues with a X1 laptop after the update of 4.6.x to 4.7.x, and seem dissapeared with the update to 4.8.5-1. I was unable to deduce though the introducing change for this regression. Regards, Salvatore