PATCH: ecng for 6.x and 7.x

[Jung-uk Kim]

On Friday 14 September 2007 04:44 pm, Mikael Ikivesi wrote:
> Oh....sorry, but I met next panic attack :(
>
>
> After updating src-all, re-patching  and recompiling I am left with
> acpi errors during boot and panic. I tried all patches you send
> (ecng7a/b/c).
>
>
> battery0: <ACPI Control Method Battery> on acpi0
> acpi_ec0: EcRead: failed waiting to get data
> ACPI Exception (evregion-0529): AE_NO_HARDWARE_RESPONSE, Returned
> by Handler for [EmbeddedControl] [20070320]
> ACPI Error (psparse-0626): Method parse/execution failed
> [\_SB_.PCI0.LPC0.EC0_.BAT0._STA] (Node 0xffffff00011610a0),
> AE_NO_HARDWARE_RESPONSE
> ACPI Error (uteval-0309): Method execution failed
> [\_SB_.PCI0.LPC0.EC0_.BAT0._STA] (Node 0xffffff00011610a0),
> AE_NO_HARDWARE_RESPONSE
> acpi_acad0: <AC Adapter> on acpi0
>
>
>
>
> AND if I unplug the power cable system panics.
> Piece from core dump:
>
> panic: _sx_xlock_hard: recursed on non-recursive sx ACPI embedded
> controller @ /usr/src/sys/dev/acpica/acpi_ec.c:209
>
> KDB: enter: panic
> panic: from debugger
> Uptime: 5m55s
> Physical memory: 884 MB
> Dumping 56 MB:
>
>
>
> System also panics if I try to boot without power cable plugged..

I just posted a patch to fix this problem:

http://docs.freebsd.org/cgi/mid.cgi?200709141628.24801.jkim

Jung-uk Kim