From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Al Stone <ahs3@redhat.com>
Cc: Pat Erley <pat-lkml@erley.org>, Al Stone <al.stone@linaro.org>,
Hanjun Guo <hanjun.guo@linaro.org>,
linaro-kernel@lists.linaro.org, linux-ia64@vger.kernel.org,
linaro-acpi@lists.linaro.org, linux-pm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
patches@linaro.org, Hanjun Guo <guohanjun@huawei.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [Linaro-acpi] [PATCH v5 0/5] Provide better MADT subtable sanity checks
Date: Wed, 14 Oct 2015 23:25:48 +0200 [thread overview]
Message-ID: <3556673.VbpJrNsKqP@vostro.rjw.lan> (raw)
In-Reply-To: <561EB923.6010109@redhat.com>
On Wednesday, October 14, 2015 02:20:51 PM Al Stone wrote:
> This is a multi-part message in MIME format.
> --------------020400080004050109020606
> Content-Type: text/plain; charset=utf-8
> Content-Transfer-Encoding: 7bit
>
> On 10/12/2015 10:06 PM, Pat Erley wrote:
> > On 10/12/2015 01:52 PM, Al Stone wrote:
> >> On 10/11/2015 09:58 PM, Pat Erley wrote:
> >>> On 10/11/2015 08:49 PM, Hanjun Guo wrote:
> >>>> On 10/12/2015 11:08 AM, Pat Erley wrote:
> >>>>> On 10/05/2015 10:12 AM, Al Stone wrote:
> >>>>>> On 10/05/2015 07:39 AM, Rafael J. Wysocki wrote:
> >>>>>>> On Wednesday, September 30, 2015 10:10:16 AM Al Stone wrote:
> >>>>>>>> On 09/30/2015 03:00 AM, Hanjun Guo wrote:
> >>>>>>>>> On 2015/9/30 7:45, Al Stone wrote:
> >>>>>>>>>> NB: this patch set is for use against the linux-pm bleeding edge
> >>>>>>>>>> branch.
> >>>>>>>>>>
> >>>>>>>>
> >>>>>>>> [snip...]
> >>>>>>>>
> >>>>>>>>>
> >>>>>>>>> For this patch set,
> >>>>>>>>>
> >>>>>>>>> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
> >>>>>>>>>
> >>>>>>>>> Thanks
> >>>>>>>>> Hanjun
> >>>>>>>>
> >>>>>>>> Thanks, Hanjun!
> >>>>>>>
> >>>>>>> Series applied, thanks!
> >>>>>>>
> >>>>>>> Rafael
> >>>>>>>
> >>>>>>
> >>>>>> Thanks, Rafael!
> >>>>>>
> >>>>>
> >>>>> Just decided to test out linux-next (to see the new nouveau cleanups).
> >>>>> This change set prevents my Lenovo W510 from booting properly.
> >>>>>
> >>>>> Reverting: 7494b0 "ACPI: add in a bad_madt_entry() function to
> >>>>> eventually replace the macro"
> >>>>>
> >>>>> Gets the system booting again. I'm attaching my dmesg from the failed
> >>>>> boot, who wants the acpidump?
> >>>>
> >>>> [ 0.000000] ACPI: undefined version for either FADT 4.0 or MADT 1
> >>>> [ 0.000000] ACPI: Error parsing LAPIC address override entry
> >>>> [ 0.000000] ACPI: Invalid BIOS MADT, disabling ACPI
> >>>>
> >>>> Seems the MADT revision is not right, could you dump the ACPI MADT
> >>>> (APIC) table and send it out? I will take a look :)
> >>>>
> >>>> Thanks
> >>>> Hanjun
> >>>
> >>> Here ya go, enjoy. Feel free to CC me on any patches that might fix it.
> >>
> >> Pat,
> >>
> >> Would you mind sending a copy of the FADT, also, please? The first of the
> >> ACPI messages is a check of version correspondence between the FADT and MADT,
> >> while the second message is from looking at just an MADT subtable. Thanks
> >> for sending the MADT out -- that helps me quite a lot in thinking this through.
> >>
> >> BTW, whoever is providing the BIOS (Lenovo, I assume) may want to have a look
> >> at these, also:
> >>
> >> [ 0.000000] ACPI BIOS Warning (bug): 32/64X length mismatch in
> >> FADT/Pm1aControlBlock: 16/32 (20150818/tbfadt-623)
> >> [ 0.000000] ACPI BIOS Warning (bug): Invalid length for
> >> FADT/Pm1aControlBlock: 32, using default 16 (20150818/tbfadt-704)
> >>
> >> Not inherently dangerous, but definitely sloppy and mind-numbingly easy to
> >> avoid, IIRC.
> >>
> >
> > Here ya go.
>
> Okay. There's just a lot of weird stuff out there in ACPI-land. I've
> attached four minor fixes for the special cases that have been reported
> (well, the last one is actually a fix for a typo in the spec, but just
> the same...).
>
> These should apply on top of linux-next; would you mind trying them out
> to make sure I didn't break anything else on your laptop? If they behave
> as I hope they will, I think I'll have covered all the places where the
> checking of MADT subtables needs to be be relaxed a bit. These work for
> me on arm64, but if they work for you and a couple of other testers, then
> I'll send them to Rafael properly.
Well, you might as well submit them properly right away, so I could pick
them up and put them into my linux-next branch, which then might make it
easier for some people to test them.
Thanks,
Rafael
next prev parent reply other threads:[~2015-10-14 20:57 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 23:45 [PATCH v5 0/5] Provide better MADT subtable sanity checks Al Stone
2015-09-29 23:45 ` [PATCH v5 1/5] ACPI: add in a bad_madt_entry() function to eventually replace the macro Al Stone
2015-09-29 23:45 ` [PATCH v5 2/5] ACPI / ARM64: remove usage of BAD_MADT_ENTRY/BAD_MADT_GICC_ENTRY Al Stone
2015-09-29 23:45 ` [PATCH v5 3/5] ACPI / IA64: remove usage of BAD_MADT_ENTRY Al Stone
2015-09-29 23:45 ` [PATCH v5 4/5] ACPI / X86: " Al Stone
2015-09-29 23:45 ` [PATCH v5 5/5] ACPI: remove definition of BAD_MADT_ENTRY macro Al Stone
2015-09-30 9:00 ` [PATCH v5 0/5] Provide better MADT subtable sanity checks Hanjun Guo
2015-09-30 16:10 ` Al Stone
2015-10-05 13:39 ` Rafael J. Wysocki
2015-10-05 17:12 ` Al Stone
2015-10-12 3:08 ` Pat Erley
2015-10-12 3:49 ` [Linaro-acpi] " Hanjun Guo
2015-10-12 3:58 ` Pat Erley
2015-10-12 7:04 ` Hanjun Guo
2015-10-12 9:44 ` Sudeep Holla
2015-10-12 13:04 ` Hanjun Guo
2015-10-12 19:25 ` Rafael J. Wysocki
2015-10-12 19:07 ` Al Stone
2015-10-13 8:43 ` Sudeep Holla
2015-10-12 19:21 ` Rafael J. Wysocki
2015-10-13 1:23 ` Hanjun Guo
2015-10-12 20:52 ` Al Stone
2015-10-13 4:06 ` Pat Erley
2015-10-14 20:20 ` Al Stone
2015-10-14 21:25 ` Rafael J. Wysocki [this message]
2015-10-14 21:27 ` Al Stone
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