Linux version 6.18.7 (br-user@runner-pdwm2rams-project-3290221-concurrent-3) (m68k-linux-gcc.br_real (toolchains.bootlin.com 2026.08-1) 16.2.0, GNU ld (GNU Binutils) 2.46.1) #2 Sun Sep 6 00:32:20 UTC 2026 uClinux with CPU COLDFIRE(m520x) COLDFIRE port done by Greg Ungerer, gerg@snapgear.com Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne Zone ranges: DMA [mem 0x0000000040000000-0x0000000047ffffff] Normal empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000040000000-0x0000000047ffffff] Initmem setup node 0 [mem 0x0000000040000000-0x0000000047ffffff] Kernel command line: console=ttyS0,115200 printk: log buffer data + meta data: 131072 + 409600 = 540672 bytes Dentry cache hash table entries: 16384 (order: 3, 65536 bytes, linear) Inode-cache hash table entries: 8192 (order: 2, 32768 bytes, linear) Built 1 zonelists, mobility grouping on. Total pages: 16384 mem auto-init: stack:all(zero), heap alloc:off, heap free:off SLUB: HWalign=16, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 NR_IRQS: 256 clocksource: pit: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 3669622406313 ns Console: colour dummy device 80x25 Calibrating delay loop... 501.35 BogoMIPS (lpj=2506752) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 2048 (order: 0, 8192 bytes, linear) Mountpoint-cache hash table entries: 2048 (order: 0, 8192 bytes, linear) Memory: 123928K/131072K available (4179K kernel code, 537K rwdata, 600K rodata, 512K init, 187K bss, 6808K reserved, 0K cma-reserved) devtmpfs: initialized gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation. clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns posixtimers hash table entries: 512 (order: 0, 2048 bytes, linear) futex hash table entries: 256 (4096 bytes on 1 NUMA nodes, total 4 KiB, linear). NET: Registered PF_NETLINK/PF_ROUTE protocol family pps_core: LinuxPPS API ver. 1 registered pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti PTP clock support registered clocksource: Switched to clocksource pit NET: Registered PF_INET protocol family IP idents hash table entries: 2048 (order: 1, 16384 bytes, linear) tcp_listen_portaddr_hash hash table entries: 2048 (order: 0, 8192 bytes, linear) Table-perturb hash table entries: 65536 (order: 5, 262144 bytes, linear) TCP established hash table entries: 2048 (order: 0, 8192 bytes, linear) TCP bind hash table entries: 2048 (order: 1, 16384 bytes, linear) TCP: Hash tables configured (established 2048 bind 2048) UDP hash table entries: 256 (order: 0, 8192 bytes, linear) UDP-Lite hash table entries: 256 (order: 0, 8192 bytes, linear) NET: Registered PF_UNIX/PF_LOCAL protocol family workingset: timestamp_bits=30 max_order=14 bucket_order=0 io scheduler mq-deadline registered io scheduler kyber registered ColdFire internal UART serial driver mcfuart.0: ttyS0 at MMIO 0xfc060000 (irq = 90, base_baud = 2083333) is a ColdFire UART printk: legacy console [ttyS0] enabled mcfuart.0: ttyS1 at MMIO 0xfc064000 (irq = 91, base_baud = 2083333) is a ColdFire UART mcfuart.0: ttyS2 at MMIO 0xfc068000 (irq = 92, base_baud = 2083333) is a ColdFire UART fec fec.0 (unnamed net_device) (uninitialized): MDIO read timeout ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at kernel/workqueue.c:4234 __flush_work+0xda/0x134 CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.18.7 #2 NONE Stack from 4082bd10: 4082bd10 404b16bd 404b16bd 404a9605 00000000 40026cb6 404b16bd 4002de46 404a6f9b fffffffb 404d00a6 00000000 408234a0 0000108a 00000009 400208a4 404a9605 0000108a 40044436 00000009 00000000 00000000 40823740 00000000 00000000 40044436 404a9605 0000108a 00000009 00000000 4082be34 4082bdac 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 4004777a 40823740 00000001 40029a00 4024cf28 40823740 40823000 402493d8 Call Trace: [<40026cb6>] dump_stack+0xc/0x10 [<4002de46>] __warn+0xea/0x116 [<400208a4>] warn_slowpath_fmt+0x40/0x72 [<40044436>] __flush_work+0xda/0x134 [<40044436>] __flush_work+0xda/0x134 [<4004777a>] cancel_delayed_work_sync+0x5e/0xa6 [<40029a00>] trap_c+0x174/0x1ea [<4024cf28>] fec_ptp_stop+0x1e/0x6a [<402493d8>] fec_probe+0xad8/0x1122 [<4042f6b6>] mutex_unlock+0x0/0x36 [<4023212c>] platform_probe+0x2a/0x64 [<4022f7e6>] really_probe+0x9c/0x30c [<4022fd06>] driver_probe_device+0x22/0x11a [<4023003e>] __driver_attach+0xdc/0x1ea [<404048d8>] klist_next+0x0/0x1c4 [<4022ff62>] __driver_attach+0x0/0x1ea [<4022d7de>] bus_for_each_dev+0x52/0xcc [<4022d7fc>] bus_for_each_dev+0x70/0xcc [<4022f2f0>] driver_attach+0x16/0x1c [<4022ff62>] __driver_attach+0x0/0x1ea [<4022ec90>] bus_add_driver+0x130/0x21e [<40562514>] fec_driver_init+0x0/0x12 [<40405032>] kobject_put+0x0/0x148 [<40230bc8>] driver_register+0x64/0x116 [<40552b26>] do_one_initcall+0x34/0x23c [<40562522>] fec_driver_init+0xe/0x12 [<40552b64>] do_one_initcall+0x72/0x23c [<404233ca>] strcpy+0x0/0x16 [<40552f10>] kernel_init_freeable+0x18a/0x1ee [<40562514>] fec_driver_init+0x0/0x12 [<400215d0>] _printk+0x0/0x18 [<4042d5c0>] kernel_init+0x0/0xf0 [<4042d5da>] kernel_init+0x1a/0xf0 [<40028414>] ret_from_kernel_thread+0xc/0x14 ---[ end trace 0000000000000000 ]--- fec fec.0: probe with driver fec failed with error -5 NET: Registered PF_INET6 protocol family Segment Routing with IPv6 In-situ OAM (IOAM) with IPv6 sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver NET: Registered PF_PACKET protocol family Freeing unused kernel image (initmem) memory: 512K This architecture does not have kernel memory protection. Run /init as init process random: crng init done Saving 256 bits of creditable seed for next boot Starting network: Waiting for interface eth0 to appear............... timeout! run-parts: /etc/network/if-pre-up.d/wait_iface: exit status 1 FAIL Starting tests TODO: add some more tests Ending tests Welcome to Buildroot buildroot login: root root Jan 1 00:00:29 login[75]: root login on 'ttyS0' ~ # poweroff poweroff ~ # ~ # This is the toolchain test suite Usage: /etc/init.d/S90tests start Stopping network: ifdown: interface eth0 not configured OK Seeding 256 bits and crediting Saving 256 bits of creditable seed for next boot umount: devtmpfs busy - remounted read-only The system is going down NOW! ~ # Sent SIGTERM to all processes Sent SIGKILL to all processes Requesting system poweroff reboot: Power off not available: System halted instead Cannot halt machine