From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: 2.6.21-rc5: swsusp: Not enough free memory Date: Tue, 3 Apr 2007 12:50:06 +0200 Message-ID: <200704031250.07307.rjw@sisk.pl> References: <460B6E4B.3060004@gmail.com> <200704022318.28451.rjw@sisk.pl> <46120449.7070302@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <46120449.7070302@gmail.com> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Jiri Slaby Cc: linux-pm@lists.osdl.org, Linux kernel mailing list List-Id: linux-pm@vger.kernel.org On Tuesday, 3 April 2007 09:37, Jiri Slaby wrote: > Rafael J. Wysocki napsal(a): > > On Monday, 2 April 2007 10:24, Jiri Slaby wrote: > >> Rafael J. Wysocki napsal(a): > >>>>> On Thursday, 29 March 2007 09:44, Jiri Slaby wrote: > >>>>>> swsusp: critical section: > >>>>>> swsusp: Need to copy 131380 pages > >>>>>> swsusp: Not enough free memory > >>>>>> Error -12 suspending > >>>>>> Enabling non-boot CPUs ... > >>> As a workaround, you can try to change the initial image size so that= it's > >>> smaller than a half of the RAM size. If that works, I'd like to send= you a > >>> debug patch, if you don't mind. :-) > >> Yes, post it. > > = > > Appended. Please send me the dmesg output from after a failing suspend > > (or in case it doesn't fail, from after the first one). > = > It doesn't fail, here is the output: Okay, so I think the appended patch is needed. Could you please revert the debug one, apply the appended one instead and see if it helps? > Shrinking memory... Normal pages needed: 135122 > Highmem pages needed: 0 > Normal pages needed: 132256 > Highmem pages needed: 0 > Normal pages needed: 8271 > Highmem pages needed: 0 > Pages needed (total): 8271 > Normal pages needed: 119657 > Highmem pages needed: 0 > Normal pages needed: 116791 > Highmem pages needed: 0 > Normal pages needed: 18446744073709528969 > Highmem pages needed: 0 > Pages needed (total): 18446744073709528969 > = > Heh :), tmp is signed, this is -22647, I guess. Yup. > done (15505 pages freed) > Freed 62020 kbytes in 0.16 seconds (387.62 MB/s) > = > Complete dmesg may be obtained here: > http://www.fi.muni.cz/~xslaby/sklad/dmesg.swsusp Thanks for testing. Greetings, Rafael --- kernel/power/swsusp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6.21-rc5/kernel/power/swsusp.c =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D --- linux-2.6.21-rc5.orig/kernel/power/swsusp.c +++ linux-2.6.21-rc5/kernel/power/swsusp.c @@ -229,13 +229,13 @@ int swsusp_shrink_memory(void) size +=3D highmem_size; for_each_zone (zone) if (populated_zone(zone)) { + tmp +=3D snapshot_additional_pages(zone); if (is_highmem(zone)) { highmem_size -=3D zone_page_state(zone, NR_FREE_PAGES); } else { tmp -=3D zone_page_state(zone, NR_FREE_PAGES); tmp +=3D zone->lowmem_reserve[ZONE_NORMAL]; - tmp +=3D snapshot_additional_pages(zone); } } =