How do I get more diagnostic info and who might care to evaluate it? Is there a core dump file so I don't just get the bottom of it on my virtual console? I could run the 3.7.0 kernel at the higher native virtual console resolution and see if I can get the top of the core dump. This is what was visible from the most recent crash: http://i46.tinypic.com/2q068pe.jpg. I would love to locate or generate a file output for this. Suggestions? I know this is a hairy problem. If you know who can't help with this, that could still be useful for the process of elimination. I am not sure what all the various developer groups are. Getting the entire dump might indicate the purview of one particular group or another.
Ever since moving from 3.5.4 to 3.6.x vanilla-source kernels and now 3.7.0 vanilla kernel I get system lockups or crashes. I just recently updated with portage successfully, then got the Xorg.0.log looking good with 'emerge -1 xf86-input-evdev' and 'emerge -1 xf86-video-ati' so that the modules 'evdev' and 'radeon' would load. Have a Sony laptop VPCSE, specs per Blackscreen Death post (http://forums.funtoo.org/viewtopic.php?id=1730). As far as I know, running vanilla-sources 3.5.4 does not suffer from these lockups and crashes. The good news is I am getting better with using my mom's digital camera to take screenshots.
Last edited by dougchug (2013-03-28 17:55:18)
If your laptop have a RS-232 port you can redirect the console on it and wait for a crash to occur, of course if not already done activate softlock up, hung tasks, debug info, etc in your kernel (tricky: debug code can change the behaviour of the kernel). Redirecting the console to a seral port also requires to activate that feature in Device drivers/Character devices/Serial drivers => http://www.av8n.com/computer/htm/kernel-lockup.htm).
Your backtrace mentions something related to cpufreq driver, does the computer crash if you disable cpufreq (i.e. cpufreq-set -g performance). Also does it crash when you disable ACPI at boot time (i.e. acpi=none on the kernel comamnd line in GRUB)? It can be a good starting point.
@404_Error Thanks for reply. No, my laptop does not have an RS-232 port. I do not have a manpage or command in my root's $PATH for cpufreq.... I can try the acpi=none, which I suppose is simpler than uninstalling acpi with portage.
I went to native resolution on my virtual consoles and got this at the top:
------------[ cut here ]------------ kernel BUG at kernel/sched/core.c:1465! invalid opcode: 0000 [#1] SMP Modules linked in: ipv6 cpufreq_ondemand ... [a total of of 8 lines for linked modules, not shown] CPU 1 Pid: 16857,comm: kworker/0:2 Tainted: P 0 3.7.0 #1 Sony Corporation VPCSE190X/VAIO [more lines follow, not shown]
Maybe this is the same problem?: https://patchwork.kernel.org/patch/1482531/ If it was the same problem and got fixed, any guesses as to when/what kernel that went or will go into? I note that in that dumps listed modules there in neither cpufreq... nor acpi. I have acpi_cpufreq and cpufreq_ondemand in my dump I'm posting in this update, and maybe others. We both have radeon. My pics did not turn out for so I can look through all listed modules in my case, but I expect I had kvm and drs_kms_helper as other dump, but I expect I had kvm_intel not kvm_amd. I'm running kernel 3.5.4 not 3.7.0, so the lsmod I'm using now is further not to be entirely trusted.
Anyone have an informed opinion of if I should and how I might present this elsewhere, maybe archlinux.org?
The last kernel I tried that did NOT work was vanilla-sources-3.7.0. I just tried vanilla-sources-3.8.4 and I have had no crashes for a couple of days. I had to uninstall (-C) then reinstall (used -1 one shot) media-libs/gstreamer to get the sound to work with the kernel 3.8.4 update. I did not try every kernel between the two that worked for me before and after the ones that did not. I went from a last regularly working 3.5.4 kernel to a newly first working 3.8.4 kernel. I note that 3.7.0 is not on the portage tree, but that's what I tried.
me@computer ~ $ equery l -p vanilla-sources * Searching for vanilla-sources ... [-P-] [ ] sys-kernel/vanilla-sources-188.8.131.52:184.108.40.206 [-P-] [ ] sys-kernel/vanilla-sources-3.0.69:3.0.69 [-P-] [ ] sys-kernel/vanilla-sources-3.0.70:3.0.70 [-P-] [ ] sys-kernel/vanilla-sources-3.2.40:3.2.40 [-P-] [ ] sys-kernel/vanilla-sources-3.2.41:3.2.41 [-P-] [ ] sys-kernel/vanilla-sources-3.4.36:3.4.36 [-P-] [ ] sys-kernel/vanilla-sources-3.4.37:3.4.37 [-P-] [ ] sys-kernel/vanilla-sources-3.7.10:3.7.10 [-P-] [ ] sys-kernel/vanilla-sources-3.8.3:3.8.3 [IP-] [ ] sys-kernel/vanilla-sources-3.8.4:3.8.4