linux-kernel - Re: [Bug #10749] the system doesn't shutdown

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Date:	Tue, 27 May 2008 20:58:52 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Riccardo Gori <goric@...venet.it>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Bug #10749] the system doesn't shutdown

On Sunday 25 May 2008, Riccardo Gori wrote:
> On Monday 26 May 2008 00:19:09 Bartlomiej Zolnierkiewicz wrote:
> > Hi,
> >
> > On Saturday 24 May 2008, Rafael J. Wysocki wrote:
> > > This message has been generated automatically as a part of a report
> > > of recent regressions.
> > >
> > > The following bug entry is on the current list of known regressions
> > > from 2.6.25.  Please verify if it still should be listed.
> > >
> > >
> > > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=10749
> > > Subject		: the system doesn't shutdown
> > > Submitter	: Riccardo <goric@...venet.it>
> > > Date		: 2008-05-19 09:00 (6 days old)
> >
> > Riccardo, thanks for bisecting the problem.  Could you also attach dmesgs
> > for "good" and "bad" kernels at bugzilla entry (so we can see if there are
> > any clues for solving the regression in messages printed by the driver)?
> >
> > Also does the following patch help (we should always setup PCI device
> > with pci_enable_device() before using it, my patch changed it)?
> >
> > ---
> >  drivers/ide/pci/sis5513.c |    5 +++++
> >  1 file changed, 5 insertions(+)
> >
> > Index: b/drivers/ide/pci/sis5513.c
> > ===================================================================
> > --- a/drivers/ide/pci/sis5513.c
> > +++ b/drivers/ide/pci/sis5513.c
> > @@ -569,6 +569,11 @@ static int __devinit sis5513_init_one(st
> >  {
> >  	struct ide_port_info d = sis5513_chipset;
> >  	u8 udma_rates[] = { 0x00, 0x00, 0x07, 0x1f, 0x3f, 0x3f, 0x7f, 0x7f };
> > +	int rc;
> > +
> > +	rc = pci_enable_device(dev);
> > +	if (rc)
> > +		return rc;
> >
> >  	if (sis_find_family(dev) == 0)
> >  		return -ENOTSUPP;
> 
> 
> Hello,
> I'm bisecting again the kernel because I think I made something wrong.
> 
> I don't think that is this the first bad commit because, after bisecting, I 
> tried to git reset hard to that commit 3 times and build the kernel, and once 
> the problem was not present. I'm really sorry.
> 
> This is the output of dmesg when the problem is present:
> 
> # dmesg
> r (psparse-0537): Method parse/execution failed [\ISMI] (Node f7c18630), 
> AE_NO_MEMORY
> ACPI Error (psparse-0537): Method parse/execution failed 
> [\_SB_.PCI0.PX40.MIDI._STA] (Node f7c1ef68), AE_NO_MEMORY
> ACPI Error (exregion-0164): Could not map memory at F7C218943FFFFF00, size 200 
> [20070126]
> ACPI Exception (evregion-0420): AE_NO_MEMORY, Returned by Handler for 
> [SystemMemory] [20070126]
> ACPI Error (psparse-0537): Method parse/execution failed [\ISMI] (Node 
> f7c18630), AE_NO_MEMORY
> ACPI Error (psparse-0537): Method parse/execution failed 
> [\_SB_.PCI0.PX40.GAME._STA] (Node f7c1eedc), AE_NO_MEMORY

[...]

> Sorry again

No problem and thanks for quickly & honestly reporting it (instead
of silently going away leaving us scratching our heads for months)...

[ + wrong bisect resulted in a valid bugfix patch, cool! ]

Thanks,
Bart
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