Date: Tue, 27 Mar 2012 11:42:50 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, Lars Engels <lars.engels@0x20.net> Subject: Re: ACPI refcount increasing Message-ID: <201203271142.52750.jkim@FreeBSD.org> In-Reply-To: <201203261250.44042.jkim@FreeBSD.org> References: <1822.1332740545@critter.freebsd.dk> <201203261250.44042.jkim@FreeBSD.org>
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On Monday 26 March 2012 12:50 pm, Jung-uk Kim wrote: > On Monday 26 March 2012 01:42 am, Poul-Henning Kamp wrote: > > I tried -current as of approx one day ago and was greeted with a > > kernel printf flooding the screen with something about a ACPI(?) > > mutex(?) refcount increasing. > > > > I were unable to divine any identifying info from the messages > > because the screen scrolled too fast and the message was longer > > than the width of the screen. > > > > I were unable to get a core-dump and had to reset the laptop > > (Lenovo T400s) > > I am well aware of the issue and identified the regression was > introduced in these changes: > > http://svnweb.freebsd.org/base/head/sys/contrib/dev/acpica/componen >ts/namespace/nspredef.c?r1=231844&r2=233250&view=patch > http://svnweb.freebsd.org/base/head/sys/contrib/dev/acpica/componen >ts/namespace/nsrepair.c?r1=231844&r2=233250&view=patch > http://svnweb.freebsd.org/base/head/sys/contrib/dev/acpica/include/ >aclocal.h?r1=229989&r2=233250&view=patch > http://svnweb.freebsd.org/base/head/sys/contrib/dev/acpica/include/ >acnamesp.h?r1=229989&r2=233250&view=patch > > I notified the upstream maintainers and they are working very hard > to correct the issue ATM. I'll update ACPICA as soon as they find > a fix but please revert the changes for now if you are in hurry. FYI, it seems it will take more time than I originally thought. So, I had no choice but to locally revert these changes for now. It is committed as r233555. Jung-uk Kim
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