Panic on suspend

[Filippo Forti]

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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