Date: Wed, 2 Mar 2005 17:55:16 +0100 From: Filippo Forti <filippo.forti@fastwebnet.it> To: Nate Lawson <nate@root.org> Cc: freebsd-current@freebsd.org Subject: Re: Panic on suspend Message-ID: <20050302165516.GB674@portatile.fastwebnet.it> In-Reply-To: <4224F88E.8080205@root.org> References: <20050301203005.GA684@portatile.fastwebnet.it> <20050301203732.GB684@portatile.fastwebnet.it> <4224F88E.8080205@root.org>
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On Tue, Mar 01, 2005 at 03:19:42PM -0800, Nate Lawson wrote: > Filippo Forti wrote: > >I got a fully reproduceable panic while trying to suspend (to S3) on my > >laptop. > >FreeBSD is -CURRENT from Monday. > > > >I'm using a modified DSDT which used to work before I updated on Monday. > >dmesg from after reboot is attacched. > > > >Here comes gbd output > > > >Fatal trap 12: page fault while in vm86 mode > >fault virtual address = 0x2000 > >fault code = user write, page not present > >instruction pointer = 0xc000:0x5195 > ^^^^^^^ > Unfortunately this doesn't make the trick Thanks anyway > That is in the VGA BIOS. Try setting this sysctl before suspending: > > hw.acpi.reset_video=0 > > >stack pointer = 0x0:0xfe4 > >frame pointer = 0x0:0x0 > >code segment = base 0x600005, limit 0x2, type 0x11 > > = DPL 1, pres 0, def32 0, > > gran 0 > >processor eflag = interrupt enabled, resume, mv86, > >IOPL = 0 > >current process = 1046 (acpiconf) > >[thread pid 1046 tid 100084] > >Stopped at 0x5159: *** error reading from address 5159 *** > > Ian committed code to restore the VESA state so we shouldn't reset video > redundantly. I'm thinking of changing the default to 0 in -current. > > -- > Nate Filippo
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