Re: [regression,bisected] restore of disks after suspend-to-disk broken in 3.9.x

[Zhang Rui <rui.zhang@intel.com>]

On Thu, 2013-05-30 at 10:04 +0200, Giacomo Perale wrote:
> 2013/5/30 Zhang Rui <rui.zhang@intel.com>:
> > On Mon, 2013-05-27 at 22:07 +0200, Giacomo Perale wrote:
> >> 2013/5/27 Zhang Rui <rui.zhang@intel.com>:
> >> > On Sun, 2013-05-26 at 15:51 +0200, Giacomo Perale wrote:
> >> >> Hello,
> >> >>
> >> >> after upgrading from 3.8.7 to 3.9.x I noticed some slightly longer
> >> >> delays when resuming from suspend-to-disk and a few new error messages
> >> >> in the logs:
> >> >>
> >> >>
> >> >> Not having connected the issue with the previous error messages I
> >> >> initially blamed the disk and replaced it with a new one thinking it
> >> >> was broken, but the problem persisted so I started a bisection run
> >> >> that pointed to this commit:
> >> >>
> >> >>
> >> >> b8bb6cb999858043489c1ddef08eed2127559169 is the first bad commit
> >> >> commit b8bb6cb999858043489c1ddef08eed2127559169
> >> >> Author: Zhang Rui <rui.zhang@intel.com>
> >> >> Date:   Thu Nov 22 15:45:02 2012 +0800
> >> >>
> >> >>     step_wise: Unify the code for both throttle and dethrottle
> >> >>
> >> >>     Signed-off-by: Zhang Rui <rui.zhang@intel.com>
> >> >>
> >> > I do not see how this would affect the sata hibernation/resume.
> >> > but anyway, would you please try the four patches in comment #10, #11,
> >> > #12 and #13 in
> >> > https://bugzilla.kernel.org/show_bug.cgi?id=58301
> >> > and check if they help?
> >> >
> >> > thanks,
> >> > rui
> >> >
> >>
> >> No luck, with git head and those four patches hibernation is
> >> completely broken, the system doesn't even shut down, it just loses
> >> the disks (I'm attaching what I could get from /proc/kmsg to this
> >> email).
> >>
> > then can you please try the patch at
> > https://patchwork.kernel.org/patch/2633071/
> > on top of the four patches and see if it helps?
> >
> > thanks,
> > rui
> >
> 
> Do you mean without Rafael's patch?
> 
right.

thanks,
rui
> Giacomo