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. -- 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"
