Hi, I have an issue when I activate the PS rootport on the TE0808. Linux does not fully boot and gets stuck in a probe cycle:
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034]
[ 0.000000] Linux version 5.4.0-xilinx-v2020.2 (oe-user@oe-host) (gcc version 9.2.0 (GCC)) #1 SMP Fri Dec 17 01:59:22 UTC 2021
[ 0.000000] Machine model: xlnx,zynqmp
[ 0.000000] earlycon: cdns0 at MMIO 0x00000000ff000000 (options '115200n8')
[ 0.000000] printk: bootconsole [cdns0] enabled
[ 0.000000] efi: Getting EFI parameters from FDT:
[ 0.000000] efi: UEFI not found.
[ 0.000000] cma: Reserved 256 MiB at 0x0000000068400000
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: PSCIv1.1 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: MIGRATE_INFO_TYPE not supported.
[ 0.000000] psci: SMC Calling Convention v1.1
[ 0.000000] percpu: Embedded 21 pages/cpu s48600 r8192 d29224 u86016
[ 0.000000] Detected VIPT I-cache on CPU0
[ 0.000000] CPU features: detected: ARM erratum 845719
[ 0.000000] Speculative Store Bypass Disable mitigation not required
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1031940
[ 0.000000] Kernel command line: earlycon console=ttyPS0,115200 clk_ignore_unused root=/dev/ram0 rw
[ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] software IO TLB: mapped [mem 0x7bf00000-0x7ff00000] (64MB)
[ 0.000000] Memory: 3759452K/4193280K available (11324K kernel code, 676K rwdata, 3460K rodata, 704K init, 556K bss, 171684K reserved, 262144K cma-reserved)
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] rcu: RCU event tracing is enabled.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] GIC: Adjusting CPU interface base to 0x00000000f902f000
[ 0.000000] GIC: Using split EOI/Deactivate mode
[ 0.000000] random: get_random_bytes called from start_kernel+0x2a8/0x42c with crng_init=0
[ 0.000000] arch_timer: cp15 timer(s) running at 33.33MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x7b00c47c0, max_idle_ns: 440795202120 ns
[ 0.000003] sched_clock: 56 bits at 33MHz, resolution 30ns, wraps every 2199023255541ns
[ 0.008242] Console: colour dummy device 80x25
[ 0.012389] Calibrating delay loop (skipped), value calculated using timer frequency.. 66.66 BogoMIPS (lpj=133333)
[ 0.022668] pid_max: default: 32768 minimum: 301
[ 0.027384] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.034614] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear)
[ 0.043255] ASID allocator initialised with 32768 entries
[ 0.047804] rcu: Hierarchical SRCU implementation.
[ 0.052727] EFI services will not be available.
[ 0.057128] smp: Bringing up secondary CPUs ...
[ 0.202290] Detected VIPT I-cache on CPU1
[ 0.202318] CPU1: Booted secondary processor 0x0000000001 [0x410fd034]
[ 0.579257] Detected VIPT I-cache on CPU2
[ 0.579274] CPU2: Booted secondary processor 0x0000000002 [0x410fd034]
[ 0.955399] Detected VIPT I-cache on CPU3
[ 0.955416] CPU3: Booted secondary processor 0x0000000003 [0x410fd034]
[ 0.955464] smp: Brought up 1 node, 4 CPUs
[ 0.985316] SMP: Total of 4 processors activated.
[ 0.989988] CPU features: detected: 32-bit EL0 Support
[ 0.995092] CPU features: detected: CRC32 instructions
[ 1.000231] CPU: All CPU(s) started at EL2
[ 1.004270] alternatives: patching kernel code
[ 1.009645] devtmpfs: initialized
[ 1.015496] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 1.021659] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)
[ 1.034026] xor: measuring software checksum speed
[ 1.072554] 8regs : 2606.000 MB/sec
[ 1.112578] 32regs : 2989.000 MB/sec
[ 1.152607] arm64_neon: 2595.000 MB/sec
[ 1.152642] xor: using function: 32regs (2989.000 MB/sec)
[ 1.156540] pinctrl core: initialized pinctrl subsystem
[ 1.162017] DMI not present or invalid.
[ 1.165722] NET: Registered protocol family 16
[ 1.170759] DMA: preallocated 256 KiB pool for atomic allocations
[ 1.175988] audit: initializing netlink subsys (disabled)
[ 1.181444] audit: type=2000 audit(1.124:1): state=initialized audit_enabled=0 res=1
[ 1.181779] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[ 1.195878] Serial: AMBA PL011 UART driver
[ 1.209199] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages
[ 1.210248] HugeTLB registered 32.0 MiB page size, pre-allocated 0 pages
[ 1.216918] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 1.223580] HugeTLB registered 64.0 KiB page size, pre-allocated 0 pages
[ 2.199200] cryptd: max_cpu_qlen set to 1000
[ 2.219960] DRBG: Continuing without Jitter RNG
[ 2.294421] raid6: neonx8 gen() 1695 MB/s
[ 2.362463] raid6: neonx8 xor() 1603 MB/s
[ 2.430501] raid6: neonx4 gen() 1620 MB/s
[ 2.498549] raid6: neonx4 xor() 1557 MB/s
[ 2.566612] raid6: neonx2 gen() 1232 MB/s
[ 2.634632] raid6: neonx2 xor() 1287 MB/s
[ 2.702730] raid6: neonx1 gen() 799 MB/s
[ 2.770717] raid6: neonx1 xor() 966 MB/s
[ 2.838783] raid6: int64x8 gen() 1275 MB/s
[ 2.906792] raid6: int64x8 xor() 833 MB/s
[ 2.974850] raid6: int64x4 gen() 1072 MB/s
[ 3.042908] raid6: int64x4 xor() 805 MB/s
[ 3.110989] raid6: int64x2 gen() 743 MB/s
[ 3.178989] raid6: int64x2 xor() 649 MB/s
[ 3.247095] raid6: int64x1 gen() 492 MB/s
[ 3.315099] raid6: int64x1 xor() 494 MB/s
[ 3.315134] raid6: using algorithm neonx8 gen() 1695 MB/s
[ 3.319095] raid6: .... xor() 1603 MB/s, rmw enabled
[ 3.324025] raid6: using neon recovery algorithm
[ 3.328898] iommu: Default domain type: Translated
[ 3.333648] SCSI subsystem initialized
[ 3.337255] mc: Linux media interface: v0.10
[ 3.341428] videodev: Linux video capture interface: v2.00
[ 3.346877] pps_core: LinuxPPS API ver. 1 registered
[ 3.351792] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 3.360881] PTP clock support registered
[ 3.364775] EDAC MC: Ver: 3.0.0
[ 3.368217] zynqmp-ipi-mbox mailbox@ff990400: Registered ZynqMP IPI mbox with TX/RX channels.
[ 3.376515] FPGA manager framework
[ 3.379832] Advanced Linux Sound Architecture Driver Initialized.
[ 3.386025] Bluetooth: Core ver 2.22
[ 3.389342] NET: Registered protocol family 31
[ 3.393746] Bluetooth: HCI device and connection manager initialized
[ 3.400062] Bluetooth: HCI socket layer initialized
[ 3.404905] Bluetooth: L2CAP socket layer initialized
[ 3.409925] Bluetooth: SCO socket layer initialized
[ 3.415023] clocksource: Switched to clocksource arch_sys_counter
[ 3.420910] VFS: Disk quotas dquot_6.6.0
[ 3.424754] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 3.435209] NET: Registered protocol family 2
[ 3.436181] tcp_listen_portaddr_hash hash table entries: 2048 (order: 3, 32768 bytes, linear)
[ 3.444389] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear)
[ 3.452402] TCP bind hash table entries: 32768 (order: 7, 524288 bytes, linear)
[ 3.459835] TCP: Hash tables configured (established 32768 bind 32768)
[ 3.466034] UDP hash table entries: 2048 (order: 4, 65536 bytes, linear)
[ 3.472698] UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes, linear)
[ 3.479863] NET: Registered protocol family 1
[ 3.484283] RPC: Registered named UNIX socket transport module.
[ 3.489939] RPC: Registered udp transport module.
[ 3.494607] RPC: Registered tcp transport module.
[ 3.499277] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 3.505890] PCI: CLS 0 bytes, default 64
[ 3.509667] Trying to unpack rootfs image as initramfs...
[ 3.871342] Freeing initrd memory: 8528K
[ 4.007695] Initialise system trusted keyrings
[ 4.007821] workingset: timestamp_bits=46 max_order=20 bucket_order=0
[ 4.013638] NFS: Registering the id_resolver key type
[ 4.017933] Key type id_resolver registered
[ 4.022097] Key type id_legacy registered
[ 4.026056] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 4.032723] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
[ 4.053410] NET: Registered protocol family 38
[ 4.053450] Key type asymmetric registered
[ 4.056288] Asymmetric key parser 'x509' registered
[ 4.061150] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246)
[ 4.068481] io scheduler mq-deadline registered
[ 4.072978] io scheduler kyber registered
[ 4.100105] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 4.101727] Serial: AMBA driver
[ 4.105659] cacheinfo: Unable to detect cache hierarchy for CPU 0
[ 4.113851] brd: module loaded
[ 4.117826] loop: module loaded
[ 4.118488] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 4.123615] libphy: Fixed MDIO Bus: probed
[ 4.127581] tun: Universal TUN/TAP device driver, 1.6
[ 4.131684] CAN device driver interface
[ 4.136584] rtc_zynqmp ffa60000.rtc: registered as rtc0
[ 4.140647] i2c /dev entries driver
[ 4.145628] Bluetooth: HCI UART driver ver 2.3
[ 4.148481] Bluetooth: HCI UART protocol H4 registered
[ 4.153581] Bluetooth: HCI UART protocol BCSP registered
[ 4.158868] Bluetooth: HCI UART protocol LL registered
[ 4.163959] Bluetooth: HCI UART protocol ATH3K registered
[ 4.169333] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 4.175578] Bluetooth: HCI UART protocol Intel registered
[ 4.180924] Bluetooth: HCI UART protocol QCA registered
[ 4.186222] EDAC MC: ECC not enabled
[ 4.189748] EDAC DEVICE0: Giving out device to module edac controller cache_err: DEV edac (POLLED)
[ 4.198696] EDAC DEVICE1: Giving out device to module zynqmp-ocm-edac controller zynqmp_ocm: DEV ff960000.memory-controller (INTERRUPT)
[ 4.210891] sdhci: Secure Digital Host Controller Interface driver
[ 4.216812] sdhci: Copyright(c) Pierre Ossman
[ 4.221134] sdhci-pltfm: SDHCI platform and OF driver helper
[ 4.226983] ledtrig-cpu: registered to indicate activity on CPUs
[ 4.232770] zynqmp_firmware_probe Platform Management API v1.1
[ 4.238527] zynqmp_firmware_probe Trustzone version v1.0
[ 4.266124] alg: No test for xilinx-zynqmp-aes (zynqmp-aes)
[ 4.267804] zynqmp_aes zynqmp_aes: AES Successfully Registered
[ 4.267804]
[ 4.273592] alg: No test for xilinx-keccak-384 (zynqmp-keccak-384)
[ 4.281065] alg: No test for xilinx-zynqmp-rsa (zynqmp-rsa)
[ 4.288689] ARM CCI_400_r1 PMU driver probed
[ 4.289114] fpga_manager fpga0: Xilinx ZynqMP FPGA Manager registered
[ 4.296693] pktgen: Packet Generator for packet performance testing. Version: 2.75
[ 4.303765] Initializing XFRM netlink socket
[ 4.307563] NET: Registered protocol family 10
[ 4.312266] Segment Routing with IPv6
[ 4.315633] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 4.321711] NET: Registered protocol family 17
[ 4.325836] NET: Registered protocol family 15
[ 4.330252] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 4.343128] can: controller area network core (rev 20170425 abi 9)
[ 4.349287] NET: Registered protocol family 29
[ 4.353680] can: raw protocol (rev 20170425)
[ 4.357918] can: broadcast manager protocol (rev 20170425 t)
[ 4.363546] can: netlink gateway (rev 20190810) max_hops=1
[ 4.369052] Bluetooth: RFCOMM TTY layer initialized
[ 4.373839] Bluetooth: RFCOMM socket layer initialized
[ 4.378949] Bluetooth: RFCOMM ver 1.11
[ 4.382660] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 4.387932] Bluetooth: BNEP filters: protocol multicast
[ 4.393126] Bluetooth: BNEP socket layer initialized
[ 4.398053] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 4.403937] Bluetooth: HIDP socket layer initialized
[ 4.408958] 9pnet: Installing 9P2000 support
[ 4.413120] Key type dns_resolver registered
[ 4.417547] registered taskstats version 1
[ 4.421412] Loading compiled-in X.509 certificates
[ 4.427028] Btrfs loaded, crc32c=crc32c-generic
[ 4.438246] ff000000.serial: ttyPS0 at MMIO 0xff000000 (irq = 43, base_baud = 6249999) is a xuartps
[ 4.447266] printk: console [ttyPS0] enabled
[ 4.447266] printk: console [ttyPS0] enabled
[ 4.451560] printk: bootconsole [cdns0] disabled
[ 4.451560] printk: bootconsole [cdns0] disabled
[ 4.460735] of-fpga-region fpga-full: FPGA Region probed
[ 25.519013] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[ 25.524927] rcu: 1-...0: (0 ticks this GP) idle=a26/1/0x4000000000000000 softirq=348/348 fqs=1162
[ 25.533960] (detected by 0, t=5263 jiffies, g=-843, q=8)
[ 25.539340] Task dump for CPU 1:
[ 25.542552] kworker/1:1 R running task 0 32 2 0x0000000a
[ 25.549598] Workqueue: events deferred_probe_work_func
[ 25.554721] Call trace:
[ 25.557155] __switch_to+0x1c4/0x288
[ 25.560719] 0x3fae
[ 88.543013] rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
[ 88.548924] rcu: 1-...0: (0 ticks this GP) idle=a26/1/0x4000000000000000 softirq=348/348 fqs=1769
[ 88.557958] (detected by 3, t=21019 jiffies, g=-843, q=8)
[ 88.563424] Task dump for CPU 1:
[ 88.566636] kworker/1:1 R running task 0 32 2 0x0000000a
[ 88.573670] Workqueue: events deferred_probe_work_func
[ 88.578796] Call trace:
[ 88.581230] __switch_to+0x1c4/0x288
[ 88.584786] 0x3fae
I am using Vivado, Vitis and PetaLinux 2020.2 on a custom carrier board. I have verified the hardware pins and clocks and I am using MIO31 for active low PCI reset in the TE adapted FSBL.
Even with the endpoint device(Samsung NVMe) removed, the linux boot has the same behaviour.
Any help appreciated!
