linux-kernel - Re: T61P sound issue

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Date:	Tue, 5 Feb 2008 10:22:19 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Klaus S. Madsen" <ksm@...rnemadsen.org>
Cc:	Felipe Balbi <felipebalbi@...rs.sourceforge.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: T61P sound issue

On Tue, 5 Feb 2008 12:36:33 +0100 "Klaus S. Madsen" <ksm@...rnemadsen.org> wrote:

> On Mon, Feb 04, 2008 at 19:40:38 -0800, Andrew Morton wrote:
> > On Sun, 27 Jan 2008 08:49:29 -0500 "Felipe Balbi" <felipebalbi@...rs.sourceforge.net> wrote:
> > 
> > If a bug report fell in a forest, would ...
> > 
> > > Hi all,
> > > 
> > > Could anyone make T61P's ICH8 sound controller to work properly?
> > 
> > ooh, a fellow t61p owner.  How's suspend and resume working?
> I'm also a T61p owner, and for me suspend is working. I'm using Linux
> 2.6.24 (32 bit version) and the newest driver from NVidia (yes, I know I
> should be using the opensource driver, but it didn't work when I got my
> laptop).

32-bit kernel?  hm.

I use the xorg X11 driver.  It's slow but that's OK.

> I haven't got hibernation working yet, but I haven't yet tried without
> the NVidia module loaded (and as suspend works, hibernation isn't that
> important for me).

suspend-to-disk works for me but suspend-to-ram fails in various different
ways depending on which kernel I'm running.

> > > Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)
> > > 
> > > Running linux-2.6.24 stable. If there's a know bug, I could try to dig
> > > more on it and get more info.
> > 
> > It works for me.  http://userweb.kernel.org/~akpm/config-t61p.txt
> Sound also works for me. Config at http://hogthrob.42.dk/config-t61p.txt
> 
> > > Call Trace:
> > >  <IRQ>  [<ffffffff80263b5f>] __report_bad_irq+0x30/0x72
> > >  [<ffffffff80263dcb>] note_interrupt+0x22a/0x26b
> > >  [<ffffffff8026463a>] handle_fasteoi_irq+0xa9/0xd0
> > >  [<ffffffff8020e6cf>] do_IRQ+0x6c/0xd5
> > >  [<ffffffff8020c411>] ret_from_intr+0x0/0xa
> > >  [<ffffffff8021c1a4>] lapic_next_event+0x0/0xa
> > >  [<ffffffff8023a692>] __do_softirq+0x5a/0xce
> > >  [<ffffffff8024f060>] tick_program_event+0x31/0x4d
> > >  [<ffffffff8020d08c>] call_softirq+0x1c/0x28
> > >  [<ffffffff8020e4e0>] do_softirq+0x2c/0x7d
> > >  [<ffffffff8023a5f3>] irq_exit+0x3f/0x84
> > >  [<ffffffff8021c55c>] smp_apic_timer_interrupt+0x3f/0x53
> > >  [<ffffffff8020cb36>] apic_timer_interrupt+0x66/0x70
> > >  <EOI> 
> > > handlers:
> > > [<ffffffff803fa647>] (usb_hcd_irq+0x0/0x52)
> > > Disabling IRQ #19
> > > 
> > 
> > (everyone gets this btw - some weird bluetooth-vs-usb thing which we don't
> > know how to fix).
> This is actually fixed by upgrading to the newest version of the BIOS.
> I'm currently running version 7LETA7WW (2.07), and haven't seen the
> problem since I upgraded.

Interesting.  Maybe that'll change suspend-to-ram behaviour as well.
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