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. Thanks. -- Demelier David _______________________________________________ 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"
