cvs commit: src/sys/i386/isa atpic.c

[Marius Strobl]

On Mon, Nov 17, 2003 at 05:53:14PM -0500, John Baldwin wrote:
> 
> On 17-Nov-2003 Marius Strobl wrote:
> > On Fri, Nov 14, 2003 at 04:21:44PM -0500, John Baldwin wrote:
> >> 
> >> On 14-Nov-2003 John Baldwin wrote:
> >> > jhb         2003/11/14 13:02:49 PST
> >> > 
> >> >   FreeBSD src repository
> >> > 
> >> >   Modified files:
> >> >     sys/i386/isa         atpic.c 
> >> >   Log:
> >> >   Always install IDT entries for ATPIC interrupt sources.  The APIC no
> >> >   longer uses these interrupt vectors for its ISA interrupt pins, so these
> >> >   entries will not be overwritten.  If we get a spurious interrupt from the
> >> >   ATPIC when using the APIC, it will be treated as a stray interrupt instead
> >> >   of causing a panic.
> >> 
> >> This should fix all of the "panic: Couldn't get vector from ISR" and
> >> trap 30 (reserved) panics.  If you were using older versions of either
> >> spurious.patch or atpic.patch, please try reverting them and using
> >> plain CVS to see if that fixes your problem.  If not, please let me know.
> >> If you get several stray IRQ 7 messages and would like to shut them up,
> >> you can try http://www.FreeBSD.org/~jhb/patches/spurious.patch
> >> 
> > 
> > Unfortunately it doesn't fix the type 30 trap triggered by a spurious

Oops, meant stray interrupt...

> > interrupt here (need atpic.patch).
> 
> Do you get the trap very early?
> 

Yes, please see <20031110172540.A29948 at newtrinity.zeist.de> on current@
or http://quad.zeist.de/newintr.log (this was with older sources but the
problem is still the same after the commit above).