<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style> </head> <body dir="ltr"> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> Hi Rebecca,</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> Thank you for reporting this. After further investigation I believe the issue is in the PPTT parser when it tries to report an error with the cache flags it performs an incorrect dereference of the FlagName parameter. I have filed this in bugzilla (<a href="https://bugzilla.tianocore.org/show_bug.cgi?id=3770" id="LPlnk276333">https://bugzilla.tianocore.org/show_bug.cgi?id=3770</a>) and sent a patch to fix this to the mailing list (<a href="https://edk2.groups.io/g/devel/message/84801" id="LPlnk813539">https://edk2.groups.io/g/devel/message/84801</a>), let me know if this solves the problem that you were having. </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> Thanks,</div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> Chris </div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> </div> <div id="appendonsend"></div> <div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);"> </div> <hr tabindex="-1" style="display:inline-block; width:98%"> <div id="divRplyFwdMsg" dir="ltr">From: devel@edk2.groups.io <devel@edk2.groups.io> on behalf of Sami Mujawar via groups.io <sami.mujawar=arm.com@groups.io> Sent: Tuesday, December 14, 2021 9:14 AM To: devel@edk2.groups.io <devel@edk2.groups.io>; rebecca@nuviainc.com <rebecca@nuviainc.com>; Ard Biesheuvel <ardb+tianocore@kernel.org>; Leif Lindholm <leif@nuviainc.com>; Graeme Gregory <graeme@nuviainc.com>; Radoslaw Biernacki <rad@semihalf.com>; Pierre Gondois <Pierre.Gondois@arm.com>; nd <nd@arm.com> Subject: Re: [edk2-devel] SbsaQemu: "acpiview -s pptt" crashes after printing "Flags : 0x5F" <div> </div> </div> <div style="word-wrap:break-word" lang="EN-GB"> <div class="x_WordSection1"> Hi Rebecca, Thank you for reporting this issue. We will try to recreate the problem and provide a fix. Regards, Sami Mujawar <div style="border:none; border-top:solid #B5C4DF 1.0pt; padding:3.0pt 0cm 0cm 0cm"> From: devel@edk2.groups.io <devel@edk2.groups.io> on behalf of Rebecca Cran via groups.io <rebecca=nuviainc.com@groups.io> Date: Tuesday, 14 December 2021 at 01:53 To: edk2-devel-groups-io <devel@edk2.groups.io>, Ard Biesheuvel <ardb+tianocore@kernel.org>, Leif Lindholm <leif@nuviainc.com>, Graeme Gregory <graeme@nuviainc.com>, Radoslaw Biernacki <rad@semihalf.com> Subject: [edk2-devel] SbsaQemu: "acpiview -s pptt" crashes after printing "Flags : 0x5F" </div> <div> I noticed that with edk2 7a6e6ae9332614d386446d2a73e34b74fe66446f and edk2-platforms 871ce778eb85825b0594b2ca3bf4c1cc795b43cc (i.e. both latest master as of December 14th 1am UTC), running "acpiview -s pptt" causes a synchronous exception fault: Shell> acpiview -s pptt --------------- PPTT Table --------------- Address : 0x100F86DE698 Length : 240 00000000 : 50 50 54 54 F0 00 00 00 - 02 EF 4C 49 4E 41 52 4F PPTT......LINARO 00000010 : 53 42 53 41 51 45 4D 55 - 10 08 20 20 4C 4E 52 4F SBSAQEMU.. LNRO 00000020 : 01 00 00 00 00 14 00 00 - 11 00 00 00 00 00 00 00 ................ 00000030 : 00 00 00 00 00 00 00 00 - 01 18 00 00 7F 00 00 00 ................ 00000040 : 68 00 00 00 00 80 00 00 - 00 01 00 00 02 02 40 00 h.............@. 00000050 : 01 18 00 00 5F 00 00 00 - 68 00 00 00 00 80 00 00 ...._...h....... 00000060 : 00 01 00 00 02 04 40 00 - 01 18 00 00 7F 00 00 00 ......@......... 00000070 : 00 00 00 00 00 00 08 00 - 00 04 00 00 08 0A 40 00 ..............@. 00000080 : 00 1C 00 00 1A 00 00 00 - 24 00 00 00 00 00 00 00 ........$....... 00000090 : 02 00 00 00 38 00 00 00 - 50 00 00 00 00 1C 00 00 ....8...P....... 000000A0 : 1A 00 00 00 24 00 00 00 - 01 00 00 00 02 00 00 00 ....$........... 000000B0 : 38 00 00 00 50 00 00 00 - 00 1C 00 00 1A 00 00 00 8...P........... 000000C0 : 24 00 00 00 02 00 00 00 - 02 00 00 00 38 00 00 00 $...........8... 000000D0 : 50 00 00 00 00 1C 00 00 - 1A 00 00 00 24 00 00 00 P...........$... 000000E0 : 03 00 00 00 02 00 00 00 - 38 00 00 00 50 00 00 00 ........8...P... Table Checksum : OK PPTT : Signature : PPTT Length : 240 Revision : 2 Checksum : 0xEF Oem ID : LINARO Oem Table ID : SBSAQEMU Oem Revision : 0x20200810 Creator ID : LNRO Creator Revision : 0x1 * Structure Offset * : 0x24 Processor Hierarchy Node Structure : Type : 0x0 Length : 20 Reserved : 0x0 Flags : 0x11 Parent : 0x0 ACPI Processor ID : 0x0 Number of private resources : 0 * Structure Offset * : 0x38 Cache Type Structure : Type : 0x1 Length : 24 Reserved : 0x0 Flags : 0x7F Next Level of Cache : 0x68 Size : 0x8000 Number of sets : 256 Associativity : 2 Attributes : 0x2 Line size : 64 * Structure Offset * : 0x50 Cache Type Structure : Type : 0x1 Length : 24 Reserved : 0x0 Flags : 0x5F Synchronous Exception at 0x00000100F8245458 Synchronous Exception at 0x00000100F8245458 PC 0x0100F8245458 (0x0100F8225000+0x00020458) [ 0] Shell.dll PC 0x0100F824578C (0x0100F8225000+0x0002078C) [ 0] Shell.dll PC 0x0100F82433BC (0x0100F8225000+0x0001E3BC) [ 0] Shell.dll PC 0x0100F82C9BAC (0x0100F8225000+0x000A4BAC) [ 0] Shell.dll PC 0x0100F82C9CB4 (0x0100F8225000+0x000A4CB4) [ 0] Shell.dll PC 0x0100F8262090 (0x0100F8225000+0x0003D090) [ 0] Shell.dll PC 0x0100F82621EC (0x0100F8225000+0x0003D1EC) [ 0] Shell.dll PC 0x0100F8264A70 (0x0100F8225000+0x0003FA70) [ 0] Shell.dll PC 0x0100F8262650 (0x0100F8225000+0x0003D650) [ 0] Shell.dll PC 0x0100F826283C (0x0100F8225000+0x0003D83C) [ 0] Shell.dll PC 0x0100F825D3B8 (0x0100F8225000+0x000383B8) [ 0] Shell.dll PC 0x0100F8263908 (0x0100F8225000+0x0003E908) [ 0] Shell.dll PC 0x0100F825D3B8 (0x0100F8225000+0x000383B8) [ 0] Shell.dll PC 0x0100F8262A50 (0x0100F8225000+0x0003DA50) [ 0] Shell.dll PC 0x0100F825D938 (0x0100F8225000+0x00038938) [ 0] Shell.dll PC 0x0100F825CED4 (0x0100F8225000+0x00037ED4) [ 0] Shell.dll PC 0x0100F82577D0 (0x0100F8225000+0x000327D0) [ 0] Shell.dll PC 0x0100F822B908 (0x0100F8225000+0x00006908) [ 0] Shell.dll PC 0x0100F822BAA4 (0x0100F8225000+0x00006AA4) [ 0] Shell.dll PC 0x0100F822BD8C (0x0100F8225000+0x00006D8C) [ 0] Shell.dll PC 0x0100F822C0F0 (0x0100F8225000+0x000070F0) [ 0] Shell.dll PC 0x0100F822C200 (0x0100F8225000+0x00007200) [ 0] Shell.dll PC 0x0100F8229E30 (0x0100F8225000+0x00004E30) [ 0] Shell.dll PC 0x0100F822845C (0x0100F8225000+0x0000345C) [ 0] Shell.dll PC 0x0100F8226F54 (0x0100F8225000+0x00001F54) [ 0] Shell.dll PC 0x0100F8226064 (0x0100F8225000+0x00001064) [ 0] Shell.dll PC 0x0100FF53ED94 (0x0100FF538000+0x00006D94) [ 1] DxeCore.dll PC 0x0100F8382DF4 (0x0100F836F000+0x00013DF4) [ 2] UiApp.dll PC 0x0100F838F0AC (0x0100F836F000+0x000200AC) [ 2] UiApp.dll PC 0x0100FBA4434C (0x0100FBA28000+0x0001C34C) [ 3] SetupBrowser.dll PC 0x0100FBA45148 (0x0100FBA28000+0x0001D148) [ 3] SetupBrowser.dll PC 0x0100FBA2A0AC (0x0100FBA28000+0x000020AC) [ 3] SetupBrowser.dll PC 0x0100F8370CCC (0x0100F836F000+0x00001CCC) [ 4] UiApp.dll PC 0x0100F837248C (0x0100F836F000+0x0000348C) [ 4] UiApp.dll PC 0x0100F83723B0 (0x0100F836F000+0x000033B0) [ 4] UiApp.dll PC 0x0100F837088C (0x0100F836F000+0x0000188C) [ 4] UiApp.dll PC 0x0100F8370064 (0x0100F836F000+0x00001064) [ 4] UiApp.dll PC 0x0100FF53ED94 (0x0100FF538000+0x00006D94) [ 5] DxeCore.dll PC 0x0100FBA101F0 (0x0100FBA01000+0x0000F1F0) [ 6] BdsDxe.dll PC 0x0100FBA15D20 (0x0100FBA01000+0x00014D20) [ 6] BdsDxe.dll PC 0x0100FBA04310 (0x0100FBA01000+0x00003310) [ 6] BdsDxe.dll PC 0x0100FF53A3D4 (0x0100FF538000+0x000023D4) [ 7] DxeCore.dll PC 0x0100FF53945C (0x0100FF538000+0x0000145C) [ 7] DxeCore.dll PC 0x0100FF539024 (0x0100FF538000+0x00001024) [ 7] DxeCore.dll [ 0] /home/bcran/src/upstream/uefi/Build/SbsaQemu/NOOPT_GCC5/AARCH64/ShellPkg/Application/Shell/Shell/DEBUG/Shell.dll [ 1] /home/bcran/src/upstream/uefi/Build/SbsaQemu/NOOPT_GCC5/AARCH64/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.dll [ 2] /home/bcran/src/upstream/uefi/Build/SbsaQemu/NOOPT_GCC5/AARCH64/MdeModulePkg/Application/UiApp/UiApp/DEBUG/UiApp.dll [ 3] /home/bcran/src/upstream/uefi/Build/SbsaQemu/NOOPT_GCC5/AARCH64/MdeModulePkg/Universal/SetupBrowserDxe/SetupBrowserDxe/DEBUG/SetupBrowser.dll [ 4] /home/bcran/src/upstream/uefi/Build/SbsaQemu/NOOPT_GCC5/AARCH64/MdeModulePkg/Application/UiApp/UiApp/DEBUG/UiApp.dll [ 5] /home/bcran/src/upstream/uefi/Build/SbsaQemu/NOOPT_GCC5/AARCH64/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.dll [ 6] /home/bcran/src/upstream/uefi/Build/SbsaQemu/NOOPT_GCC5/AARCH64/MdeModulePkg/Universal/BdsDxe/BdsDxe/DEBUG/BdsDxe.dll [ 7] /home/bcran/src/upstream/uefi/Build/SbsaQemu/NOOPT_GCC5/AARCH64/MdeModulePkg/Core/Dxe/DxeMain/DEBUG/DxeCore.dll X0 0x0000000000000057 X1 0x0000000000000057 X2 0x00000100FF537030 X3 0x0000000000000027 X4 0x0000000000000002 X5 0x0000000000000000 X6 0x00000100F8245EEC X7 0x0000000000000000 X8 0x00000100FBFFF588 X9 0x0000000400000000 X10 0x00000100F91D0000 X11 0x00000100F91EAFFF X12 0x0000000000000000 X13 0x000000000000000E X14 0x0000000000000000 X15 0x0000000000000000 X16 0x00000100FF5377D0 X17 0x0000000000000000 X18 0x0000000000000000 X19 0x00000100FF536E50 X20 0x0000000000000000 X21 0x0000000000000000 X22 0x0000000000000000 X23 0x0000000000000000 X24 0x0000000000000000 X25 0x0000000000000000 X26 0x0000000000000000 X27 0x0000000000000000 X28 0x0000000000000000 FP 0x00000100FF536CF0 LR 0x00000100F824578C V0 0xAFAFAFAFAFAFAFAF AFAFAFAFAFAFAFAF V1 0x6573614265657254 6563697665442820 V2 0x000000737570632F 000030203D3D2029 V3 0x0000000000000000 0000000000000000 V4 0x0000000000000001 0000000000000000 V5 0x4010040140100401 4010040140100401 V6 0x0001000000000000 0001000000000000 V7 0x0000000000000000 0000000000000000 V8 0x0000000000000000 0000000000000000 V9 0x0000000000000000 0000000000000000 V10 0x0000000000000000 0000000000000000 V11 0x0000000000000000 0000000000000000 V12 0x0000000000000000 0000000000000000 V13 0x0000000000000000 0000000000000000 V14 0x0000000000000000 0000000000000000 V15 0x0000000000000000 0000000000000000 V16 0x0000000000000000 0000000000000000 V17 0x0000000000000000 0000000000000000 V18 0x0000000000000000 0000000000000000 V19 0x0000000000000000 0000000000000000 V20 0x0000000000000000 0000000000000000 V21 0x0000000000000000 0000000000000000 V22 0x0000000000000000 0000000000000000 V23 0x0000000000000000 0000000000000000 V24 0x0000000000000000 0000000000000000 V25 0x0000000000000000 0000000000000000 V26 0x0000000000000000 0000000000000000 V27 0x0000000000000000 0000000000000000 V28 0x0000000000000000 0000000000000000 V29 0x0000000000000000 0000000000000000 V30 0x0000000000000000 0000000000000000 V31 0x0000000000000000 0000000000000000 SP 0x00000100FF536CB0 ELR 0x00000100F8245458 SPSR 0x60000209 FPSR 0x00000000 ESR 0x97000010 FAR 0x0000000000000057 ESR : EC 0x25 IL 0x1 ISS 0x01000010 Data abort: Synchronous external abort Stack dump: 00100FF536BB0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00100FF536BD0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00100FF536BF0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00100FF536C10: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00100FF536C30: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00100FF536C50: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00100FF536C70: 0000000000000000 0000000000000000 00000100FBA77294 0000000020000308 00100FF536C90: 0000000000000000 0000000097000010 0000000000000057 0000000000000001 > 00100FF536CB0: 00000100FF536CF0 00000000FFFFFFD0 00000100FF579768 0000000000000010 00100FF536CD0: 00000100FF536D20 00000100FF536D20 00000100FF536CF0 00000000FFFFFFD0 00100FF536CF0: 00000100FF536E30 00000100F82433BC 00000100FF536EB0 00000100FF55A4BC 00100FF536D10: 0000000070616D6D 0000000000000000 00000100F82E831A 0000000000000540 00100FF536D30: 0000000000001F40 00000100F91D00EA 00000100F91D0000 0000000000000073 00100FF536D50: 00000100FF536D80 00000100FF5454B0 00000100FF536D90 0000000000000004 00100FF536D70: 01000100FF536D90 0000000000000027 00000100FF536DB0 00000000000000D2 00100FF536D90: 00000100FF536DF0 00000100FF54EFAC 0000000000000000 0000000000000000 ASSERT [ArmCpuDxe] /home/bcran/src/upstream/uefi/edk2/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c(333): ((BOOLEAN)(0==1)) -- Rebecca Cran </div> </div> IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. 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