On 31 March 2016 at 15:33, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote: > On 31 March 2016 at 15:20, Yao, Jiewen <jiewen....@intel.com> wrote: >> Hi Ard >> Thanks for your log. Yes, it seems new issue, I have never encountered >> before. >> >> Here is what I found: >> >> 1) MemoryAttributeTable is always installed in ReadyToBoot event. (Sorry, I >> gave wrong info on EndOfDxe, that is for old properties table) >> > > OK > >> 2) In this log, I have seen MemoryAttributeTable is installed 6 times. It >> means this system boot 6 boot options. First 5 fail, and last one success. I >> am not clear what device you want to boot, but it seems "Booting EFI Misc >> Device" category. It is also weird that RT_Data entry is changed every time. >> Does this boot device allocate/free RT_Data? >> > > Good question, I can investigate > >> 3) In this log, it shows MemoryAttributeTable is always correct. See line >> 1427. I do not know why it is corrupt in efimemmap.log. >> This memory attribute table is allocated in "BootServicesData" type memory. >> Are you sure that system does not corrupt BootServicesData when >> efimemmap.log is created? >> >> 4) So I suggest we check *when* this table is corrupted. I have >> MemoryAttributesDump UEFI APPLICATION (See attachment, password: 12345678). >> Maybe can you help run it in UEFI shell to see if MemoryAttributes table is >> correct or not? >> We can use this way to narrow down the corruption - *when* it is created, or >> *after* it is created. >> > > Shell> MemoryAttributesDump.efi > MemoryAttributesTable: > Version - 0x00000001 > NumberOfEntries - 0x00000019 > DescriptorSize - 0x00000030 > > Type Start End # Pages Attributes > RT_Data 00000000F5B50000-0000000000000000 0000000000000030 8000000000004000 > RT_Code 00000000F5B80000-0000000000000000 0000000000000010 8000000000004000
Actually, I did find something strange here: these first two regions are both set to EFI_MEMORY_XP, but the second one is EfiRuntimeServicesCode I am not sure if this is related, but it does look wrong to me. Thanks, Ard. > RT_Code 00000000F5B90000-0000000000000000 0000000000000010 8000000000020000 > RT_Code 00000000F5BA0000-0000000000000000 0000000000000030 8000000000004000 > RT_Code 00000000F5BD0000-0000000000000000 0000000000000010 8000000000020000 > RT_Code 00000000F5BE0000-0000000000000000 0000000000000020 8000000000004000 > RT_Code 00000000F5C80000-0000000000000000 0000000000000010 8000000000004000 > RT_Code 00000000F5C90000-0000000000000000 0000000000000010 8000000000020000 > RT_Code 00000000F5CA0000-0000000000000000 0000000000000020 8000000000004000 > RT_Data 00000000F5CC0000-0000000000000000 0000000000000090 8000000000004000 > RT_Code 00000000F5D50000-0000000000000000 0000000000000010 8000000000004000 > RT_Code 00000000F5D60000-0000000000000000 0000000000000010 8000000000020000 > RT_Code 00000000F5D70000-0000000000000000 0000000000000030 8000000000004000 > RT_Data 00000000F5DA0000-0000000000000000 00000000000000F0 8000000000004000 > RT_Code 00000000F5E90000-0000000000000000 0000000000000010 8000000000004000 > RT_Code 00000000F5EA0000-0000000000000000 0000000000000010 8000000000020000 > RT_Code 00000000F5EB0000-0000000000000000 0000000000000030 8000000000004000 > RT_Data 00000000F5EE0000-0000000000000000 0000000000000050 8000000000004000 > RT_Code 00000000F5F30000-0000000000000000 0000000000000010 8000000000004000 > RT_Code 00000000F5F40000-0000000000000000 0000000000000010 8000000000020000 > RT_Code 00000000F5F50000-0000000000000000 0000000000000030 8000000000004000 > RT_Code 00000000FAF50000-0000000000000000 0000000000000010 8000000000004000 > RT_Code 00000000FAF60000-0000000000000000 0000000000000010 8000000000020000 > RT_Code 00000000FAF70000-0000000000000000 0000000000000020 8000000000004000 > RT_Data 00000000FAFA0000-0000000000000000 0000000000000050 8000000000004000 > > So it looks like the table gets corrupted by the OS loader. I will > investigate a bit more > > Thanks, > Ard. _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
