On Wed, May 26, 2010 at 11:14 AM, David DEMELIER <demelier.da...@gmail.com> wrote: > 2010/5/25 Giovanni Trematerra <giovanni.tremate...@gmail.com>: >> On Tue, May 25, 2010 at 5:52 PM, David DEMELIER >> <demelier.da...@gmail.com> wrote: >>> 2010/5/25 Giovanni Trematerra <giovanni.tremate...@gmail.com>: >>>> On Mon, May 24, 2010 at 9:43 PM, David DEMELIER >>>> <demelier.da...@gmail.com> wrote: >>>>> 2010/5/12 Giovanni Trematerra <giovanni.tremate...@gmail.com>: >>>>>> On Fri, May 7, 2010 at 8:33 PM, Demelier David >>>>>> <demelier.da...@gmail.com> wrote: >>>>>>> Le Vendredi 07 mai 2010 à 18:22 +0200, Giovanni Trematerra a écrit : >>>>>>>> On Fri, May 7, 2010 at 2:08 PM, Demelier David >>>>>>>> <demelier.da...@gmail.com> wrote: >>>>>>>> > Hi, >>>>>>>> > I noticed that pluggin the AC adaptor when I boot without it >>>>>>>> > does not >>>>>>>> > panic. It only panic when removing it. >>>>>>>> > >>>>>>>> > Maybe that could help ? >>>>>>>> > >>>>>>>> >>>>>>>> Good to know. The problem lies somewhere when performance state change. >>>>>>>> In your case it happens when you remove AC adaptor. Let's hope someone >>>>>>>> on >>>>>>>> acpi@ ml comes up with a good idea. >>>>>>>> >>>>>>> >>>>>>> Okay so for the moment no change, I'll wait for someone with an idea >>>>>>> that could solve my problem. For me because the panic only happens when >>>>>>> changing profile from ac plugged -> ac unplugged (and not the reverse) I >>>>>>> would think it's a cpu related acpi issue. >>>>>>> >>>>>> >>>>>> I looked deeper and it seems to me that when you unplug the AC >>>>>> adapter, acpi_cpu_notify calls acpi_cpu_cx_cst that try to allocate a >>>>>> new cx_ptr->p_lvlx via acpi_PkgGas. >>>>>> If acpi_PkgGas set cx_ptr->p_lvlx to NULL for any reasons you'll have >>>>>> the panic that you reported. >>>>>> A solution would be to set acpi_cpu_hook to NULL so acpi_cpu_idle won't >>>>>> call it. >>>>>> I need some time to have a patch because of the possible race between >>>>>> acpi_cpu_notify and >>>>>> acpi_cpu_idle during set acpi_cpu_hook to NULL. >>>>>> if you have time and want panic your system you could try the attached >>>>>> patch, just to be >>>>>> sure that we catch it. >>>>>> >>>>> >>>>> Hi, it paniced today ! I don't know why it randomly panic but it did, >>>>> the backtrace didn't change. There is a picture about the panic : >>>>> >>>>> http://img541.imageshack.us/img541/2773/dsc00388xa.jpg >>>> >>>> What was you trying? acpi_idle5.diff.txt patch? >>>> How did it panic? Unplugging AC adapter? >>>> >>> >>> Hi, I tried this one : lvlx.diff.txt. Yes by unplugging the AC adapter. >>> >> >> This is an old one. Could you try acpi_idle5.diff.txt? I kept you in >> Cc when I sent to >> the list. If you have problems, let me know, I'll resend to you the patch. >> >> Thank you. >> > > Hi, it panic'ed with the same backtrace. >
Can you please post your dmesg? Thanks -- Gianni _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
