From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: resume sometimes reboots or freezes Laptop, trying to debug Date: Sun, 8 Apr 2007 18:28:27 +0200 Message-ID: <200704081828.27704.rjw@sisk.pl> References: <1015f9200704071721y2599e571m6ef2a063478c2cc6@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <1015f9200704071721y2599e571m6ef2a063478c2cc6@mail.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: linux-pm@lists.linux-foundation.org List-Id: linux-pm@vger.kernel.org On Sunday, 8 April 2007 02:21, Sascha Heid wrote: > Hello List! > = > I have a pretty new Laptop with the following specs: > = > Lenovo X60T (Tablet) > Core Duo > SATA > Intel GMA Videocard > Gentoo-Linux running Kernel 2.6.20 > = > The issue is that about 1 of 10 resumes from RAM do not work by either > the Laptop rebooting or freezing. > What makes it more frustrating is that it is completely unpredictable > for me, sometimes i can resume 30 times in a row and when i start > working on something it will crash on the next resume. > = > After trying different kernels and configurations im now down to a > kernel with APIC and prefetching disabled and only 1 module in use > (WLAN). > I also tried both the suspend2ram that comes with the kernel and s2ram > from suspend.sf.net, the result being the same. > = > I have pm-debugging and tracing enabled in the kernel but thats where im = stuck. > = > Most of the times i get something like this: > = > Magic number: 0:351:236 > hash matches device ttyv6 > = > with various terminals > = > and sometimes this > = > Magic number: 0:798:378 > hash matches drivers/base/power/resume.c:46 > = > (no further line mentioning any device here) > = > To suspend the laptop i run this: > = > chvt 1 > echo 1 > /sys/power/pm_trace > #/home/sascha/suspend-0.5/s2ram -f -a3 > echo mem > /sys/power/state > setserial /dev/ttyS0 port 0x0200 irq 5 autoconfig > chvt 7 > = > I found 1 other Linux-user with a X60T that has the same (or more) > suspend/resume issues using standard ubuntu and suse configurations. > = > If anyone has any idea or advice i would appreciate it very much. Please try 2.6.21-rc6. If it doesn't work, please file a bug report at bug= zilla.kernel.org . Greetings, Rafael