Adding to Ross's case: on a Lenovo x201 Tablet, I am finding exactly the same symptom: tboot 1.8.3 is *very* slow on resume from S3. (This was not a problem with tboot 1.8.1.)
On 15 September 2015 at 17:33, Ross Philipson <ross.philip...@gmail.com> wrote: > On 09/15/2015 12:12 PM, Sun, Ning wrote: > > Did you try the tboot + linux kernel? > > No but I don't see how that would make a difference. The problem is in > the compression code in tboot (and the potential overflow too). See the > other thread I started - I tried to be as clear as possible. > > Thanks > Ross > > > > > -----Original Message----- > > From: Ross Philipson [mailto:ross.philip...@gmail.com] > > Sent: Tuesday, September 15, 2015 8:02 AM > > To: Sun, Ning; tboot-devel@lists.sourceforge.net > > Subject: Re: [tboot-devel] TBOOT 1.8.3 fails to resume from S3 > > > > On 09/14/2015 03:54 PM, Sun, Ning wrote: > >> Try these commands in a script, and check the print-out after resumed > from S3: > >> date > >> sudo rtcwake -u -s 20 -m mem > >> date > >> > >> > >> Thanks, > >> -ning > >> > > > > I started another thread where I explain what the actual problems are in > the log compression code. But in order to not ignore this response, I ran > the above: > > > > root@xenclient-dom0:/storage# ./do-s3.sh Tue Sep 15 14:37:17 UTC 2015 > wakeup from "mem" at Tue Sep 15 14:37:38 2015 Tue Sep 15 14:38:57 UTC 2015 > > > > It is taking 1m and 40s to come back. 20s are the delay for rtcwake but > the 1m 20s remaining is spent in LZ_Compress. > > > > [snip] > > > > > -- > Ross Philipson > > > ------------------------------------------------------------------------------ > _______________________________________________ > tboot-devel mailing list > tboot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/tboot-devel >
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