Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel

From	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Newsgroups	linux.kernel
Subject	Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel
Date	2017-01-08 00:40 +0100
Message-ID	<sX8KC-6UM-7@gated-at.bofh.it> (permalink)
References	<sX8KC-6UM-9@gated-at.bofh.it>
Organization	Intel Technology Poland Sp. z o. o., KRS 101882, ul. Slowackiego 173, 80-298 Gdansk

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On 1/7/2017 9:42 PM, Borislav Petkov wrote:
> Hi,
>
> I'm bisecting a boot freeze with 4.10-rc2 on a laptop and the commit in
> $Subject is introducing a breakage, see attached splat. Unfortunately,
> it is not complete as I don't have any other means of logging dmesg on a
> laptop.
>
> A temporary workaround is to boot with "intremap=off".
>
> Unfortunately, I cannot revert
>
>    174cc7187e6f ("ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel")
>
> as it doesn't revert cleanly anymore. From looking at the callstack,
> though, it looks like AMD IOMMU is calling acpi_put_table() and patch in
> $Subject touches it so I'm guessing the AMD IOMMU needs to be updated to
> the new way of parsing the IRQ remapping tables or whatever is going on
> there - I'm just guessing.

Hi,

Please check if this helps:

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=696c7f8e0373026e8bfb29b2d9ff2d0a92059d4d

Thanks,
Rafael


> Thanks.
>

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Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> - 2017-01-08 00:40 +0100
  Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-08 01:10 +0100
    Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael@kernel.org> - 2017-01-08 01:30 +0100
      Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-08 01:40 +0100
        Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael@kernel.org> - 2017-01-08 02:00 +0100
          Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-08 02:10 +0100
            Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael@kernel.org> - 2017-01-08 02:50 +0100
              Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael@kernel.org> - 2017-01-08 03:30 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-08 14:10 +0100
                RE: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel "Zheng, Lv" <lv.zheng@intel.com> - 2017-01-09 03:00 +0100
                RE: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel "Zheng, Lv" <lv.zheng@intel.com> - 2017-01-09 03:40 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-09 10:40 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-09 23:20 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael@kernel.org> - 2017-01-09 23:30 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-10 00:20 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-10 00:20 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-10 00:40 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-10 00:50 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-10 01:00 +0100
                RE: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel "Zheng, Lv" <lv.zheng@intel.com> - 2017-01-10 01:50 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael@kernel.org> - 2017-01-10 02:30 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-10 03:30 +0100
                RE: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel "Zheng, Lv" <lv.zheng@intel.com> - 2017-01-10 06:50 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-10 07:00 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-11 10:30 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-11 11:00 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-11 11:10 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-11 11:30 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-10 10:50 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael@kernel.org> - 2017-01-11 04:50 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-11 10:50 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-10 01:00 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size()  and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rafael@kernel.org> - 2017-01-10 00:50 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-01-10 01:30 +0100
                RE: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel "Zheng, Lv" <lv.zheng@intel.com> - 2017-01-09 06:30 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Jörg Rödel <joro@8bytes.org> - 2017-01-09 12:00 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-01-09 23:50 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Borislav Petkov <bp@alien8.de> - 2017-01-10 00:00 +0100
                Re: 174cc7187e6f ACPICA: Tables: Back port  acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux  kernel Jörg Rödel <joro@8bytes.org> - 2017-01-10 15:00 +0100

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