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[219.98.114.237]) by smtp.gmail.com with ESMTPSA id i9sm220197pju.50.2021.07.29.19.35.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Jul 2021 19:35:11 -0700 (PDT) Date: Fri, 30 Jul 2021 11:35:07 +0900 From: AKASHI Takahiro To: Michal Simek Cc: Heinrich Schuchardt , Sughosh Ganu , U-Boot Mailing List , Ilias Apalodimas , Simon Glass , Vincent Stehle Subject: Re: EFI from usb HDD Message-ID: <20210730023507.GA150924@laputa> Mail-Followup-To: AKASHI Takahiro , Michal Simek , Heinrich Schuchardt , Sughosh Ganu , U-Boot Mailing List , Ilias Apalodimas , Simon Glass , Vincent Stehle References: <9c57a3c7-e609-91e8-cf33-5637ce4f9340@xilinx.com> <20210610125915.GA96492@laputa> <6d4a2a7e-a295-f3e1-1ad8-445f40df334e@xilinx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <6d4a2a7e-a295-f3e1-1ad8-445f40df334e@xilinx.com> X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean On Thu, Jul 29, 2021 at 04:09:32PM +0200, Michal Simek wrote: > Hi, > > On 6/10/21 2:59 PM, AKASHI Takahiro wrote: > > On Thu, Jun 10, 2021 at 02:31:46PM +0200, Michal Simek wrote: > >> > >> > >> On 6/10/21 12:51 PM, Heinrich Schuchardt wrote: > >>> On 6/10/21 12:04 PM, Michal Simek wrote: > >>>> Hi, > >>>> > >>>> On 6/10/21 11:47 AM, Heinrich Schuchardt wrote: > >>>>> On 6/10/21 10:44 AM, Michal Simek wrote: > >>>>>> Hi, > >>>>>> > >>>>>> I am playing with booting from USB via EFI. And I see very weird > >>>>>> behavior. I have burnt image with grub to USB flashdisk and I have > >>>>>> tested it on 3 zynqmp boards. zcu102, zcu104 and SOM Kria board. > >>>>>> On zcu102 grub is going to boot menu and everything is working fine as > >>>>>> expected. > >>>>>> On zcu104 and SOM Kria I am able to get grub not to menu. When I list > >>>>>> partitions in grub I see that only SDs are listed: > >>>>>> grub> ls > >>>>>> (hd0) (hd0,msdos1) (hd1) (hd1,msdos1) > >>>>> > >>>>> Hello Michal, > >>>>> > >>>>> thanks for sharing your observations. > >>>>> > >>>>> What devices do hd0 and hd1 relate to? > >>>>> > >>>>>> > >>>>>> On zcu102(working board) I also see usb(gpt) partitions and SD. > >>>>>> grub> ls > >>>>>> (hd0) (hd0,gpt2) (hd0,gpt1) (hd1) (hd1,msdos1) > >>>>>> > >>>>> > >>>>> GPT and MBR partitioning are independent of the device type. > >>>>> > >>>>>> > >>>>>> On zcu104 I see one more error message > >>>>>> "PE image measurement failed" > >>>>> > >>>>> This is related to CONFIG_EFI_TCG2_PROTOCOL=y. Do you have a TPMv2? This > >>>>> will not stop disk enumeration. > >>>>> > >>>>>> But I can't see it on SOM. > >>>>>> > >>>>>> U-Boot image is just the same for all boards. I am using generic > >>>>>> xilinx_zynqmp_virt_defconfig. > >>>>>> > >>>>>> When I compare DT description for USB between zcu102 and zcu104 they > >>>>>> are > >>>>>> the same. SOM doesn't have usb enabled by default (but I enabled it) > >>>>>> but > >>>>>> grub starts which means that communication with USB is fine. > >>>>>> > >>>>>> It is based on my latest patches available here. > >>>>>> u-boot/custodians/u-boot-microblaze.git (usb-efi-issue branch) > >>>>>> > >>>>>> Also when I list usb I see all partitions just fine. > >>>>>> ZynqMP> part list usb 0 > >>>>>> > >>>>>> Partition Map for USB device 0  --   Partition Type: EFI > >>>>>> > >>>>>> Part    Start LBA       End LBA         Name > >>>>>>           Attributes > >>>>>>           Type GUID > >>>>>>           Partition GUID > >>>>>>     1     0x00000800      0x001007fe      "Microsoft basic data" > >>>>>>           attrs:  0x0000000000000000 > >>>>>>           type:   ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > >>>>>>           type:   data > >>>>>>           guid:   0e7f8b3d-296b-4720-be9d-c4687d3c4a77 > >>>>>>     2     0x00100800      0x001197fe      "Microsoft basic data" > >>>>>>           attrs:  0x0000000000000000 > >>>>>>           type:   ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > >>>>>>           type:   data > >>>>>>           guid:   8892eddc-231a-4e6e-a5e1-c310f4482fb7 > >>>>>> > >>>>>> > >>>>>> Do you have any idea why on one system is working fine to get to menu > >>>>>> and on others there is an issue to get all partitions even u-boot is > >>>>>> able to see them and can work with them. > >>>>>> > >>>>>> Thanks, > >>>>>> Michal > >>>>>> > >>>>> > >>>>> Where is the GRUB binary? - If it is in EFI/boot/bootaa64.efi, it could > >>>>> be that the USB sub-system is simply not initialized yet when the boot > >>>>> manager is called by distroboot. > >>>>> > >>>>> For testing partition detection in the UEFI sub-system it is enough > >>>>> to run > >>>>> > >>>>>      efidebug devices > >>>>> > >>>>> Until yesterday we had a problem with partition numbers >= 10, cf. > >>>>> > >>>>> efi_loader: partition numbers are hexadecimal > >>>>> https://source.denx.de/u-boot/u-boot/-/commit/3dca77b1dc1b6dbf9c8b51572fe4b0553cef009f > >>>>> > >>>>> > >>>>> > >>>>> Block devices are enumerated in efi_disk_register(). Please, try to add > >>>>> debug output there to elucidate the problem. > >>>> > >>>> I found where the problem is. First of all zcu102 didn't use the same > >>>> image as others (it wasn't updated properly). > >>>> When you have CONFIG_EFI_CAPSULE_ON_DISK_EARLY that efi_disk_register() > >>>> is called before usb block devices are detected and registered that's > >>>> why grub doesn't see them. > >>> > >>> The problem is CONFIG_EFI_SETUP_EARLY=y required by > >>> CONFIG_EFI_CAPSULE_ON_DISK_EARLY. > >>> > >>> Why is USB initialized later then MMC? > >> > >> It is not just usb. SCSI/sata are behaving in the same way too. > >> > >>> > >>> Overall we have a deficiency in the UEFI implementation in that we > >>> cannot deal with block devices added or removed after initialization. > >>> > >>> Here integration with the driver model is missing. > >> > >> Right. And also there are commands which can create MBR partitions and I > >> expect when you write image to SD and then run rescan or so you could > >> get other partitions too. > >> Maybe hook via part_init()? with removing efi_disk_register. > > > > For the record, I have proposed my ideas several times[1], [2]. > > I'm, however, no longer working on this issue as I have shifted > > my focus to UEFI secure boot and capsule update. > > > > -Takahiro Akashi > > > > [1] https://lists.denx.de/pipermail/u-boot/2018-November/347491.html > > [2] https://lists.denx.de/pipermail/u-boot/2019-February/357923.html > > I want to continue on this thread. I have disabled > EFI_CAPSULE_ON_DISK_EARLY some time ago and trying to workaround that > usb/scsi detection by simply calling usb reset and scsi reset as the > part of PREBOOT. Then all disks are recorded and visible by grub. > > But I found another issue which is kind of weird. We are using > distroboot with soft of fixed sequence. Important part of sequence is > sd, usb, scsi. > > I have added grub on scsi and when I boot directly via run bootcmd_scsi0 > everything is working fine. When I let distroboot to do the job it or > run printenv -e before bootcmd_scsi0 I am getting exception. > From debug it is visible that it is exception called from > efi_disk_read_blocks. > > 0 0x7ff5d188 hang()+20: include/bootstage.h, line 389 > 1 0x7ff5f908 __assert_fail(): lib/panic.c, line 25 > 2 0x7fe976a8 do_irq(): arch/arm/lib/interrupts_64.c, line 123 > 3 0x7fe96a0c _restore_regs()+124: arch/arm/cpu/armv8/exceptions.S, > line 141 > 4 0x7ff43740 efi_disk_read_blocks()+160: lib/efi_loader/efi_disk.c, > line 102 How and when did you get this stack trace? -Takahiro Akashi > Logs are below and there is different place where disks are registered. > Do you have any idea what could go wrong? Or something to check? > > Thanks, > Michal > > > > U-Boot 2021.10-rc1-00014-g81168a994f90 (Jul 29 2021 - 15:37:11 +0200) > > Model: ZynqMP ZCU102 Rev1.0 > Board: Xilinx ZynqMP > DRAM: 4 GiB > PMUFW: v1.1 > Xilinx I2C Legacy format at nvmem0: > Board name: zcu102 > Board rev: 1.0 > Board SN: 847316301727-67998 > Ethernet mac: 00:0a:35:03:70:f6 > EL Level: EL2 > Chip ID: zu9eg > WDT: Not found! > NAND: 0 MiB > MMC: mmc@ff170000: 0 > Loading Environment from FAT... *** Error - No Valid Environment Area found > *** Warning - bad env area, using default environment > > In: serial > Out: serial > Err: serial > Bootmode: LVL_SHFT_SD_MODE1 > Reset reason: SOFT > Net: > ZYNQ GEM: ff0e0000, mdio bus ff0e0000, phyaddr 12, interface rgmii-id > eth0: ethernet@ff0e0000 > > Reset SCSI > scanning bus for devices... > SATA link 0 timeout. > Target spinup took 0 ms. > AHCI 0001.0301 32 slots 2 ports 6 Gbps 0x3 impl SATA mode > flags: 64bit ncq pm clo only pmp fbss pio slum part ccc apst > Device 0: (1:0) Vendor: ATA Prod.: Maxtor 7V300F0 Rev: VA11 > Type: Hard Disk > Capacity: 286188.8 MB = 279.4 GB (586114704 x 512) > resetting USB... > Bus dwc3@fe200000: Register 2000440 NbrPorts 2 > Starting the controller > USB XHCI 1.00 > scanning bus dwc3@fe200000 for devices... 1 USB Device(s) found > scanning usb for storage devices... 0 Storage Device(s) found > Hit any key to stop autoboot: 0 > ZynqMP> > ZynqMP> > ZynqMP> run bootcmd_scsi0 > scanning bus for devices... > Device 0: (1:0) Vendor: ATA Prod.: Maxtor 7V300F0 Rev: VA11 > Type: Hard Disk > Capacity: 286188.8 MB = 279.4 GB (586114704 x 512) > > Device 0: (1:0) Vendor: ATA Prod.: Maxtor 7V300F0 Rev: VA11 > Type: Hard Disk > Capacity: 286188.8 MB = 279.4 GB (586114704 x 512) > ... is now current device > Scanning scsi 0:1... > libfdt fdt_check_header(): FDT_ERR_BADMAGIC > Scanning disk mmc@ff170000.blk... > Scanning disk ahci_scsi.id1lun0... > Found 5 disks > ** Unable to read file ubootefi.var ** > Failed to load EFI variables > Unable to find TPMv2 device > DFU alt info setting: done > BootOrder not defined > EFI boot manager: Cannot load any image > Found EFI removable media binary efi/boot/bootaa64.efi > 647168 bytes read in 23 ms (26.8 MiB/s) > libfdt fdt_check_header(): FDT_ERR_BADMAGIC > Booting /efi\boot\bootaa64.efi > PE image measurement failed > Welcome to GRUB! > > > > GNU GRUB version 2.11 > > all good here. > > ... > > U-Boot 2021.10-rc1-00014-g81168a994f90 (Jul 29 2021 - 15:37:11 +0200) > > Model: ZynqMP ZCU102 Rev1.0 > Board: Xilinx ZynqMP > DRAM: 4 GiB > PMUFW: v1.1 > Xilinx I2C Legacy format at nvmem0: > Board name: zcu102 > Board rev: 1.0 > Board SN: 847316301727-67998 > Ethernet mac: 00:0a:35:03:70:f6 > EL Level: EL2 > Chip ID: zu9eg > WDT: Not found! > NAND: 0 MiB > MMC: mmc@ff170000: 0 > Loading Environment from FAT... *** Error - No Valid Environment Area found > *** Warning - bad env area, using default environment > > In: serial > Out: serial > Err: serial > Bootmode: LVL_SHFT_SD_MODE1 > Reset reason: SOFT > Net: > ZYNQ GEM: ff0e0000, mdio bus ff0e0000, phyaddr 12, interface rgmii-id > eth0: ethernet@ff0e0000 > > Reset SCSI > scanning bus for devices... > SATA link 0 timeout. > Target spinup took 0 ms. > AHCI 0001.0301 32 slots 2 ports 6 Gbps 0x3 impl SATA mode > flags: 64bit ncq pm clo only pmp fbss pio slum part ccc apst > Device 0: (1:0) Vendor: ATA Prod.: Maxtor 7V300F0 Rev: VA11 > Type: Hard Disk > Capacity: 286188.8 MB = 279.4 GB (586114704 x 512) > resetting USB... > Bus dwc3@fe200000: Register 2000440 NbrPorts 2 > Starting the controller > USB XHCI 1.00 > scanning bus dwc3@fe200000 for devices... 1 USB Device(s) found > scanning usb for storage devices... 0 Storage Device(s) found > Hit any key to stop autoboot: 0 > ZynqMP> > ZynqMP> > ZynqMP> print -e > Scanning disk mmc@ff170000.blk... > Scanning disk ahci_scsi.id1lun0... > Found 5 disks > ** Unable to read file ubootefi.var ** > Failed to load EFI variables > Unable to find TPMv2 device > DFU alt info setting: done > SecureBoot: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > BS|RT|RO, DataSize = 0x1 > 00000000: 00 . > SetupMode: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > BS|RT|RO, DataSize = 0x1 > 00000000: 01 . > AuditMode: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > BS|RT|RO, DataSize = 0x1 > 00000000: 00 . > DeployedMode: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > BS|RT|RO, DataSize = 0x1 > 00000000: 00 . > VendorKeys: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > BS|RT|RO, DataSize = 0x1 > 00000000: 00 . > PlatformLangCodes: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > BS|RT|RO, DataSize = 0x6 > 00000000: 65 6e 2d 55 53 00 en-US. > PlatformLang: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > NV|BS|RT, DataSize = 0x6 > 00000000: 65 6e 2d 55 53 00 en-US. > OsIndicationsSupported: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > BS|RT|RO, DataSize = 0x8 > 00000000: 1c 00 00 00 00 00 00 00 ........ > SignatureSupport: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > BS|RT|RO, DataSize = 0x20 > 00000000: 26 16 c4 c1 4c 50 92 40 ac a9 41 f9 36 93 43 28 > &...LP.@..A.6.C( > 00000010: a1 59 c0 a5 e4 94 a7 4a 87 b5 ab 15 5c 2b f0 72 > .Y.....J....\+.r > OsIndications: > 8be4df61-93ca-11d2-aa0d-00e098032b8c EFI_GLOBAL_VARIABLE_GUID > NV|BS|RT, DataSize = 0x8 > 00000000: 00 00 00 00 00 00 00 00 ........ > ZynqMP> run bootcmd_scsi0 > scanning bus for devices... > Device 0: (1:0) Vendor: ATA Prod.: Maxtor 7V300F0 Rev: VA11 > Type: Hard Disk > Capacity: 286188.8 MB = 279.4 GB (586114704 x 512) > > Device 0: (1:0) Vendor: ATA Prod.: Maxtor 7V300F0 Rev: VA11 > Type: Hard Disk > Capacity: 286188.8 MB = 279.4 GB (586114704 x 512) > ... is now current device > Scanning scsi 0:1... > libfdt fdt_check_header(): FDT_ERR_BADMAGIC > BootOrder not defined > EFI boot manager: Cannot load any image > Found EFI removable media binary efi/boot/bootaa64.efi > 647168 bytes read in 24 ms (25.7 MiB/s) > libfdt fdt_check_header(): FDT_ERR_BADMAGIC > Booting /efi\boot\bootaa64.efi > PE image measurement failed > Welcome to GRUB! > > "Synchronous Abort" handler, esr 0x02000000 > elr: ffffffffa816c5b0 lr : 000000000805e218 (reloc) > elr: 00000000200005b0 lr : 000000007fef2218 > x0 : 0000000000000020 x1 : 0000000000000000 > x2 : 0000000000000040 x3 : 000000004ff49400 > x4 : 00000000200005b0 x5 : 000000007be4abb0 > x6 : 000000007ffa5230 x7 : 000000007ffa5230 > x8 : 0000000000000006 x9 : fffffffffffffff0 > x10: 0000000000000001 x11: 000000007be4abb0 > x12: 0000000000000040 x13: 0000000000000200 > x14: 000000007fe95208 x15: 0000000000000000 > x16: 0000000077d4f8d0 x17: 0000000000000000 > x18: 000000007be13da0 x19: 000000007be22340 > x20: 0000000000000020 x21: 0000000000000040 > x22: 0000000000000000 x23: 000000004ff49400 > x24: 0000000000000000 x25: 0000000000000100 > x26: 000000000000000f x27: 00000000000001ff > x28: 000000007be4cb40 x29: 000000007be06ec0 > > Code: 000165fa 0b2d05de 0000ffff 00000000 (20000590) > UEFI image [0x0000000077d48000:0x0000000077de5fff] '/efi\boot\bootaa64.efi' > Resetting CPU ... > > ### ERROR ### Please RESET the board ### >