On Wed, May 26, 2010 at 12:01 PM, David DEMELIER <demelier.da...@gmail.com> wrote: > 2010/5/26 Giovanni Trematerra <giovanni.tremate...@gmail.com>: >> 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? >> > > Sent !
As your PC is in a good mood to make test, :) could you try this patch? Thank you -- 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"
