From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Marczykowski Subject: Re: Only CPU0 active after ACPI S3, xen 4.1.3 Date: Fri, 21 Dec 2012 05:52:19 +0100 Message-ID: <50D3EB03.4000109@invisiblethingslab.com> References: <50B7AF8A.5010304@invisiblethingslab.com> <50B88B8402000078000ACC4C@nat28.tlf.novell.com> <50B8D9A9.60502@invisiblethingslab.com> <50B8DAEA0200007800090B69@nat28.tlf.novell.com> <50B8DC55.8000308@invisiblethingslab.com> <50BC653E02000078000AD28C@nat28.tlf.novell.com> <50BDFA38.7030009@invisiblethingslab.com> <50D335E6.902@invisiblethingslab.com> <50D39C73.906@invisiblethingslab.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0708413466450974634==" Return-path: In-Reply-To: <50D39C73.906@invisiblethingslab.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ben Guthro Cc: Jan Beulich , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --===============0708413466450974634== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig22D19562742C823DDA95F67B" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig22D19562742C823DDA95F67B Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 21.12.2012 00:17, Marek Marczykowski wrote: > On 20.12.2012 20:41, Ben Guthro wrote: >> See if the attached patch helps. >> This was a patch I forgot was still in my queue, that Jan had some >> objections about (though I don't recall specifically what they were) >> I had found that the scheduler was removing all cpus during suspend, a= nd >> this seemed to help with that, IIRC. >> >> That said - I'm starting to be forced to look back into S3 issues, as = while >> I thought they were all resolved, they are not. >> I have an Ivybridge laptop that I didn't have back in May that exhibit= s >> some issues very similar to those that I was trying to solve with Jan = in >> the thread I pasted above. >> >> This particular machine goes to sleep, and when it resumes, the disk l= ight >> flashes briefly, and then the sleep led goes back to pulsing. >=20 > With this patch applied (on 4.1.4 and 4.3-unstable), I've got original = symptom > - only CPU0 active after ACPI S3. Didn't get reboot after few tries. > "xl debug-key r" output attached. > Anyway it looks like bug was introduced somehow between 4.1.2 and 4.1.3= - on > 4.1.2 none of above problems happened. I've done bisect on xen 4.1 and found problematic commit: http://xenbits.xen.org/hg/xen-4.1-testing.hg/rev/1f95b55ef427 Unfortunately in xen-unstable parent of corresponding commit still have t= he same problem, so there must be something more wrong. --=20 Best Regards / Pozdrawiam, Marek Marczykowski Invisible Things Lab --------------enig22D19562742C823DDA95F67B Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://www.enigmail.net/ iQEcBAEBAgAGBQJQ0+sDAAoJENuP0xzK19csrvgIAJaiRVAXNTRllFZAyBUnrIzb qLGr+jbobLhNoL4PqFnRNKBsCCPEo9KBPXo52kdOk3ObQ3yXMqzaIaUgpr2ry4DI x8Yg8Zk/kjg273Qa3xXkz8I+d75uC704LVaJj3GhM9h0B/ITL7K5UHKv/UzGGLnY Ed7cyrJ4KclJGdbDmjN411fp2xT0EZB7hmtHw66TngDIRqA9FnF+Yp8pkc9UiORH eg/pAcDbaFyVs/ep0v+XTHAlwFDoBAamblVWPrU1g71+owq26I54Yhlqjui9Gxiv 0NnCUkm5nSLo9iHmti9hWh894/QqvQ6ZUxh/XEl8pCAnnLQslO2tZcGB1FUh9MM= =Ua7I -----END PGP SIGNATURE----- --------------enig22D19562742C823DDA95F67B-- --===============0708413466450974634== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel --===============0708413466450974634==--