Hi Biju, On 2023-02-13 13:01:06 +0000, Biju Das wrote: > Please get files from here > > https://gitlab.com/bijud/uart-fifo/-/commits/uart-fifo-testing Thanks for the branch. It boots and the serial console appears to be functioning as expected. Is there anything in particular you like me to test? I attach the full boot log in case it's useful for you. [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.2.0-rc7-next-20230210-12179-g91bd68019b4b (neg@sleipner) (arm-linux-gnueabihf-gcc (GCC) 10.2.0, GNU ld (GNU Binutils) 2.35.1) #2 SMP Mon Feb 13 15:02:12 CET 2023 [ 0.000000] CPU: ARMv7 Processor [411fc092] revision 2 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: EMEV2 KZM9D Board [ 0.000000] printk: debug: ignoring loglevel setting. [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] cma: Failed to reserve 128 MiB [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x0000000040000000-0x0000000047ffffff] [ 0.000000] HighMem empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000040000000-0x0000000047ffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x0000000047ffffff] [ 0.000000] percpu: Embedded 14 pages/cpu s33620 r0 d23724 u57344 [ 0.000000] pcpu-alloc: s33620 r0 d23724 u57344 alloc=14*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 32512 [ 0.000000] Kernel command line: ignore_loglevel rw root=/dev/nfs ip=on [ 0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear) [ 0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 116068K/131072K available (8192K kernel code, 1150K rwdata, 2596K rodata, 1024K init, 251K bss, 15004K reserved, 0K cma-reserved, 0K highmem) [ 0.000000] trace event string verifier disabled [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] GIC: enabling workaround for broken byte access [ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.000000] timer_probe: no matching timers found [ 0.000000] Console: colour dummy device 80x30 [ 0.000000] printk: console [tty0] enabled [ 0.000000] sched_clock: 32 bits at 100 Hz, resolution 10000000ns, wraps every 21474836475000000ns [ 0.000000] Calibrating delay loop (skipped) preset value.. 1066.00 BogoMIPS (lpj=5330000) [ 0.000000] pid_max: default: 32768 minimum: 301 [ 0.000000] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.000000] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.000000] CPU: Testing write buffer coherency: ok [ 0.000000] CPU0: Spectre v2: using BPIALL workaround [ 0.000000] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.000000] Setting up static identity map for 0x40100000 - 0x40100060 [ 0.000000] rcu: Hierarchical SRCU implementation. [ 0.000000] rcu: Max phase no-delay instances is 1000. [ 0.000000] smp: Bringing up secondary CPUs ... [ 0.000000] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.000000] CPU1: Spectre v2: using BPIALL workaround [ 0.000000] smp: Brought up 1 node, 2 CPUs [ 0.000000] SMP: Total of 2 processors activated (2132.00 BogoMIPS). [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] devtmpfs: initialized [ 0.000000] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 1 [ 0.000000] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.000000] futex hash table entries: 512 (order: 3, 32768 bytes, linear) [ 0.000000] pinctrl core: initialized pinctrl subsystem [ 0.000000] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.000000] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.000000] thermal_sys: Registered thermal governor 'step_wise' [ 0.000000] No ATAGs? [ 0.000000] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.000000] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.000000] sh-pfc e0140200.pinctrl: emev2_pfc support registered [ 0.000000] SCSI subsystem initialized [ 0.000000] libata version 3.00 loaded. [ 0.000000] usbcore: registered new interface driver usbfs [ 0.000000] usbcore: registered new interface driver hub [ 0.000000] usbcore: registered new device driver usb [ 0.000000] mc: Linux media interface: v0.10 [ 0.000000] videodev: Linux video capture interface: v2.00 [ 0.000000] pps_core: LinuxPPS API ver. 1 registered [ 0.000000] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx> [ 0.000000] PTP clock support registered [ 0.000000] em_sti e0180000.timer: used for clock events [ 0.000000] em_sti e0180000.timer: used for oneshot clock events [ 0.000000] em_sti e0180000.timer: used as clock source [ 0.000000] clocksource: e0180000.timer: mask: 0xffffffffffff max_cycles: 0x1ef4687b1, max_idle_ns: 112843571739654 ns [ 0.000000] Advanced Linux Sound Architecture Driver Initialized. [ 0.000000] vgaarb: loaded [ 0.890000] clocksource: Switched to clocksource e0180000.timer [ 0.900000] Clockevents: could not switch to one-shot mode: [ 0.900000] Clockevents: could not switch to one-shot mode: dummy_timer is not functional. [ 0.900000] dummy_timer is not functional. [ 0.910000] NET: Registered PF_INET protocol family [ 0.910000] IP idents hash table entries: 2048 (order: 2, 16384 bytes, linear) [ 0.910000] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear) [ 0.910000] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.910000] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.910000] TCP bind hash table entries: 1024 (order: 2, 16384 bytes, linear) [ 0.910000] TCP: Hash tables configured (established 1024 bind 1024) [ 0.910000] UDP hash table entries: 256 (order: 1, 8192 bytes, linear) [ 0.910000] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear) [ 0.910000] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 0.910000] RPC: Registered named UNIX socket transport module. [ 0.910000] RPC: Registered udp transport module. [ 0.910000] RPC: Registered tcp transport module. [ 0.910000] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.910000] PCI: CLS 0 bytes, default 64 [ 0.950000] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 0.950000] workingset: timestamp_bits=30 max_order=15 bucket_order=0 [ 0.950000] NFS: Registering the id_resolver key type [ 0.950000] Key type id_resolver registered [ 0.950000] Key type id_legacy registered [ 0.950000] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 0.950000] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 0.960000] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 0.960000] io scheduler mq-deadline registered [ 0.960000] io scheduler kyber registered [ 0.960000] io scheduler bfq registered [ 0.970000] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.970000] e1020000.serial: ttyS0 at MMIO 0xe1020000 (irq = 37, base_baud = 796444) is a TI16750 [ 0.970000] e1030000.serial: ttyS1 at MMIO 0xe1030000 (irq = 38, base_baud = 7168000) is a TI16750 [ 0.970000] printk: console [ttyS1] enabled [ 1.660000] e1040000.serial: ttyS2 at MMIO 0xe1040000 (irq = 39, base_baud = 14336000) is a TI16750 [ 1.670000] e1050000.serial: ttyS3 at MMIO 0xe1050000 (irq = 40, base_baud = 2389333) is a TI16750 [ 1.680000] SuperH (H)SCI(F) driver initialized [ 1.700000] CAN device driver interface [ 1.760000] smsc911x 20000000.ethernet eth0: MAC Address: 00:0a:a3:02:12:92 [ 1.770000] UDC core: g_ether: couldn't find an available UDC [ 1.770000] i2c_dev: i2c /dev entries driver [ 1.780000] em-i2c e0070000.i2c: Added i2c controller 0, irq 42 [ 1.790000] em-i2c e10a0000.i2c: Added i2c controller 1, irq 43 [ 1.800000] cpu cpu0: OPP table can't be empty [ 1.800000] usbcore: registered new interface driver usbhid [ 1.810000] usbhid: USB HID core driver [ 1.820000] NET: Registered PF_INET6 protocol family [ 1.820000] Segment Routing with IPv6 [ 1.830000] In-situ OAM (IOAM) with IPv6 [ 1.830000] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 1.840000] NET: Registered PF_PACKET protocol family [ 1.840000] can: controller area network core [ 1.850000] NET: Registered PF_CAN protocol family [ 1.850000] can: raw protocol [ 1.860000] can: broadcast manager protocol [ 1.860000] can: netlink gateway - max_hops=1 [ 1.870000] Key type dns_resolver registered [ 1.870000] Registering SWP/SWPB emulation handler [ 1.900000] input: gpio_keys as /devices/platform/gpio_keys/input/input0 [ 1.960000] SMSC LAN8700 20000000.ethernet-ffffffff:01: attached PHY driver (mii_bus:phy_addr=20000000.ethernet-ffffffff:01, irq=POLL) [ 2.000000] smsc911x 20000000.ethernet eth0: SMSC911x/921x identified at 0xc8920000, IRQ: 41 [ 4.080000] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 4.130000] Sending DHCP requests ., OK [ 4.170000] IP-Config: Got DHCP answer from 10.0.1.1, my address is 10.0.1.2 [ 4.180000] IP-Config: Complete: [ 4.180000] device=eth0, hwaddr=00:0a:a3:02:12:92, ipaddr=10.0.1.2, mask=255.255.255.0, gw=10.0.1.1 [ 4.190000] host=10.0.1.2, domain=dyn.berto.se, nis-domain=(none) [ 4.200000] bootserver=10.0.1.1, rootserver=10.0.1.1, rootpath=/srv/nfs4/arch,tcp,v3 [ 4.200000] nameserver0=192.168.20.1 [ 4.210000] ALSA device list: [ 4.210000] No soundcards found. [ 4.240000] VFS: Mounted root (nfs filesystem) on device 0:15. [ 4.240000] devtmpfs: mounted [ 4.250000] Freeing unused kernel image (initmem) memory: 1024K [ 4.290000] Run /sbin/init as init process [ 4.290000] with arguments: [ 4.290000] /sbin/init [ 4.300000] with environment: [ 4.300000] HOME=/ [ 4.300000] TERM=linux [ 5.980000] systemd[1]: System time before build time, advancing clock. [ 6.030000] systemd[1]: Failed to find module 'autofs4' [ 6.160000] systemd[1]: systemd 252.5-1-arch running in system mode (+PAM +AUDIT -SELINUX -APPARMOR -IMA +SMACK +SECCOMP +GCRYPT +GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY +P11KIT -QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD +BPF_FRAMEWORK +XKBCOMMON +UTMP -SYSVINIT default-hierarchy=unified) [ 6.190000] systemd[1]: Detected architecture arm. [ 6.260000] systemd[1]: Hostname set to <arm>. [ 6.510000] systemd[1]: bpf-lsm: BPF LSM hook not enabled in the kernel, BPF LSM not supported [ 6.520000] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=1 'systemd' [ 8.810000] systemd[1]: Queued start job for default target Graphical Interface. [ 8.830000] systemd[1]: Created slice Slice /system/getty. [ 8.870000] systemd[1]: Created slice Slice /system/modprobe. [ 8.910000] systemd[1]: Created slice Slice /system/serial-getty. [ 8.950000] systemd[1]: Created slice User and Session Slice. [ 8.990000] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ 9.030000] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ 9.070000] systemd[1]: Arbitrary Executable File Formats File System Automount Point was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/binfmt_misc). [ 9.080000] systemd[1]: Reached target Local Encrypted Volumes. [ 9.120000] systemd[1]: Reached target Local Integrity Protected Volumes. [ 9.160000] systemd[1]: Reached target Network is Online. [ 9.200000] systemd[1]: Reached target Path Units. [ 9.240000] systemd[1]: Reached target Slice Units. [ 9.280000] systemd[1]: Reached target Swaps. [ 9.320000] systemd[1]: Reached target Local Verity Protected Volumes. [ 9.360000] systemd[1]: Listening on Device-mapper event daemon FIFOs. [ 9.420000] systemd[1]: Listening on Process Core Dump Socket. [ 9.460000] systemd[1]: Journal Audit Socket was skipped because of an unmet condition check (ConditionSecurity=audit). [ 9.470000] systemd[1]: Listening on Journal Socket (/dev/log). [ 9.510000] systemd[1]: Listening on Journal Socket. [ 9.550000] systemd[1]: Listening on udev Control Socket. [ 9.590000] systemd[1]: Listening on udev Kernel Socket. [ 9.630000] systemd[1]: Huge Pages File System was skipped because of an unmet condition check (ConditionPathExists=/sys/kernel/mm/hugepages). [ 9.640000] systemd[1]: POSIX Message Queue File System was skipped because of an unmet condition check (ConditionPathExists=/proc/sys/fs/mqueue). [ 9.710000] systemd[1]: Mounting /root/shared... [ 9.750000] systemd[1]: Mounting Kernel Debug File System... [ 9.790000] systemd[1]: Mounting Kernel Trace File System... [ 9.850000] systemd[1]: Mounting Temporary Directory /tmp... [ 9.900000] systemd[1]: Create List of Static Device Nodes was skipped because of an unmet condition check (ConditionFileNotEmpty=/lib/modules/6.2.0-rc7-next-20230210-12179-g91bd68019b4b/modules.devname). [ 9.960000] systemd[1]: Starting Load Kernel Module configfs... [ 9.990000] systemd[1]: Starting Load Kernel Module drm... [ 10.040000] systemd[1]: Starting Load Kernel Module fuse... [ 10.120000] systemd[1]: Load Kernel Modules was skipped because no trigger condition checks were met. [ 10.210000] systemd[1]: Starting Remount Root and Kernel File Systems... [ 10.250000] systemd[1]: Repartition Root Disk was skipped because no trigger condition checks were met. [ 10.270000] systemd[1]: Starting Apply Kernel Variables... [ 10.360000] systemd[1]: Starting Coldplug All udev Devices... [ 10.440000] systemd[1]: Mounted Kernel Debug File System. [ 10.480000] systemd[1]: Mounted Kernel Trace File System. [ 10.510000] systemd[1]: Mounted Temporary Directory /tmp. [ 10.560000] systemd[1]: modprobe@configfs.service: Deactivated successfully. [ 10.570000] systemd[1]: Finished Load Kernel Module configfs. [ 10.640000] systemd[1]: modprobe@drm.service: Deactivated successfully. [ 10.660000] systemd[1]: Finished Load Kernel Module drm. [ 10.680000] systemd[1]: modprobe@fuse.service: Deactivated successfully. [ 10.690000] systemd[1]: Finished Load Kernel Module fuse. [ 10.730000] systemd[1]: Finished Remount Root and Kernel File Systems. [ 10.770000] systemd[1]: Finished Apply Kernel Variables. [ 10.810000] systemd[1]: FUSE Control File System was skipped because of an unmet condition check (ConditionPathExists=/sys/fs/fuse/connections). [ 10.880000] systemd[1]: Mounting Kernel Configuration File System... [ 10.920000] systemd[1]: First Boot Wizard was skipped because of an unmet condition check (ConditionFirstBoot=yes). [ 10.930000] systemd[1]: Rebuild Hardware Database was skipped because of an unmet condition check (ConditionNeedsUpdate=/etc). [ 10.980000] systemd[1]: Starting Load/Save Random Seed... [ 11.010000] systemd[1]: Create System Users was skipped because no trigger condition checks were met. [ 11.030000] systemd[1]: Starting Create Static Device Nodes in /dev... [ 11.100000] systemd[1]: Mounted Kernel Configuration File System. [ 11.500000] systemd[1]: Reached target Host and Network Name Lookups. [ 11.540000] systemd[1]: Listening on RPCbind Server Activation Socket. [ 11.580000] systemd[1]: Reached target RPC Port Mapper. [ 11.650000] systemd[1]: Starting NFS status monitor for NFSv2/3 locking.... [ 11.830000] systemd[1]: Finished Coldplug All udev Devices. [ 11.930000] systemd[1]: Starting RPC Bind... [ 12.270000] systemd[1]: Finished Create Static Device Nodes in /dev. [ 12.310000] systemd[1]: Reached target Preparation for Local File Systems. [ 12.350000] systemd[1]: Virtual Machine and Container Storage (Compatibility) was skipped because of an unmet condition check (ConditionPathExists=/var/lib/machines.raw). [ 12.370000] systemd[1]: Reached target Local File Systems. [ 12.410000] systemd[1]: Entropy Daemon based on the HAVEGE algorithm was skipped because of an unmet condition check (ConditionKernelVersion=<5.6). [ 12.430000] systemd[1]: Rebuild Dynamic Linker Cache was skipped because no trigger condition checks were met. [ 12.490000] systemd[1]: Starting Notify NFS peers of a restart... [ 12.540000] systemd[1]: Set Up Additional Binary Formats was skipped because no trigger condition checks were met. [ 12.550000] systemd[1]: systemd-journald.service: unit configures an IP firewall, but the local system does not support BPF/cgroup firewalling. [ 12.570000] systemd[1]: (This warning is only shown for the first unit using IP firewalling.) [ 12.620000] systemd[1]: Starting Journal Service... [ 12.690000] systemd[1]: Starting Rule-based Manager for Device Events and Files... [ 12.750000] systemd[1]: Started RPC Bind. [ 12.800000] systemd[1]: Started Notify NFS peers of a restart. [ 12.870000] systemd[1]: Started NFS status monitor for NFSv2/3 locking.. [ 13.180000] systemd[1]: Started Journal Service. [ 17.010000] systemd-journald[86]: Received client request to flush runtime journal. [ 21.390000] random: dbus-daemon: uninitialized urandom read (12 bytes read) [ 22.200000] random: dbus-daemon: uninitialized urandom read (12 bytes read) [ 51.370000] random: crng init done -- Kind Regards, Niklas Söderlund
