Messages in this thread | | | Subject | Re: 174cc7187e6f ACPICA: Tables: Back port acpi_get_table_with_size() and early_acpi_os_unmap_memory() from Linux kernel | From | "Rafael J. Wysocki" <> | Date | Sun, 8 Jan 2017 00:30:27 +0100 |
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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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