RE: some new unaligned access while booting ia64 (HP rx2620)

From: Moore, Robert <robert.moore_at_intel.com>
Date: 2006-03-16 04:14:19
Yes, the reasons are very similar.

Probably best just to wait for the patch to bubble through the pipeline.


> -----Original Message-----
> From: Bjorn Helgaas [mailto:bjorn.helgaas@hp.com]
> Sent: Wednesday, March 15, 2006 8:49 AM
> To: Moore, Robert
> Cc: Luck, Tony; linux-acpi@vger.kernel.org;
linux-ia64@vger.kernel.org;
> Thomas Renninger
> Subject: Re: some new unaligned access while booting ia64 (HP rx2620)
> 
> On Wednesday 15 March 2006 08:47, Moore, Robert wrote:
> > They should be fixed in ACPICA version 20060217:
> >
> > Fixed a problem where several resource descriptor types could
overrun
> > the internal descriptor buffer due to size miscalculation:
VendorShort,
> > VendorLong, and Interrupt. This was noticed on IA64 machines, but
could
> > affect all platforms.
> 
> Did you determine that the buffer overrun problem that caused
> the slab corruption was the same thing that caused the unaligned
> access messages?
> 
> Can you point me to the patch?  Or possibly a place to get the
> 20060217 ACPICA and the previous version, so I can extract the
> patch myself?  I poked around the Intel ACPI web page, but could
> only find the most recent ACPICA; there didn't seem to be any
> history.
> 
> Bjorn
> 
> > > -----Original Message-----
> > > From: Bjorn Helgaas [mailto:bjorn.helgaas@hp.com]
> > > Sent: Tuesday, March 14, 2006 4:00 PM
> > > To: Luck, Tony
> > > Cc: linux-acpi@vger.kernel.org; linux-ia64@vger.kernel.org; Moore,
> > Robert;
> > > Thomas Renninger
> > > Subject: Re: some new unaligned access while booting ia64 (HP
rx2620)
> > >
> > > On Thursday 02 February 2006 12:46, Luck, Tony wrote:
> > > > Booting a snapshot of Linus' tree this morning I saw a few
(new?)
> > > > kernel unaligned access warnings:
> > > >
> > > > ACPI: Subsystem revision 20060127
> > > > ACPI: Interpreter enabled
> > > > ACPI: Using IOSAPIC for interrupt routing
> > > > ACPI: PCI Root Bridge [PCI0] (0000:00)
> > > > kernel unaligned access to 0xe00000407ec5a204,
ip=0xa0000001003af8c0
> > > > kernel unaligned access to 0xe00000407ec5a23c,
ip=0xa0000001003af8c0
> > > > kernel unaligned access to 0xe00000407ec5a28c,
ip=0xa0000001003af8c0
> > > > kernel unaligned access to 0xe00000407ec5a1fc,
ip=0xa0000001003ae6c1
> > > > kernel unaligned access to 0xe00000407ec5a204,
ip=0xa0000001003ae6d1
> > > > ACPI: PCI Interrupt Routing Table [\_SB_.SBA0.PCI0._PRT]
> > > > ACPI: PCI Root Bridge [PCI1] (0000:20)
> > >
> > > Did we ever resolve this?  Are we just waiting for new ACPI bits
> > > to trickle into -mm and mainline?
> > >
> > > I'd like to see the patch for just this issue, because it affects
> > > SLES10, and Novell might balk at a complete ACPI CA update, but
> > > might take just the individual patch.
> > >
> > > Bjorn
> >
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Received on Thu Mar 16 04:17:16 2006

This archive was generated by hypermail 2.1.8 : 2006-03-16 04:17:24 EST