#21019: ar71xx serial cosnole broken on kernel 4.1/r47603
------------------------+------------------------------------------
Reporter: anonymous | Owner: developers
Type: defect | Status: new
Priority: normal | Milestone:
Component: kernel | Version: Trunk
Resolution: | Keywords: kernel ar71xx serial console
------------------------+------------------------------------------
Comment (by anonymous):
issue exists on latest official snapshot too
{{{
RouterBOOT booter 3.18
RouterBoard 411
CPU frequency: 300 MHz
Memory size: 32 MiB
NAND size: 64 MiB
Press any key within 2 seconds to enter setup..
trying bootp protocol... OK
Got IP address: 192.168.10.150
resolved mac address 90:E6:BA:D6:3A:3C
Gateway: 192.168.10.1
transfer started ........................................... transfer ok,
time=2.97s
setting up elf image... OK
jumping to kernel code
[ 0.000000] Linux version 4.1.11 (openwrt@gb-10) (gcc version 5.2.0
(OpenWrt GCC 5.2.0 r47665) ) #2 Fri Nov 27 22:05:31 UTC 2015
[ 0.000000] bootconsole [early0] enabled
[ 0.000000] CPU0 revision is: 00019374 (MIPS 24Kc)
[ 0.000000] SoC: Atheros AR7130 rev 2
[ 0.000000] Determined physical RAM map:
[ 0.000000] memory: 02000000 @ 00000000 (usable)
[ 0.000000] User-defined physical RAM map:
[ 0.000000] memory: 02000000 @ 00000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] Zone ranges:
[ 0.000000] Normal [mem 0x0000000000000000-0x0000000001ffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x0000000001ffffff]
[ 0.000000] Initmem setup node 0 [mem
0x0000000000000000-0x0000000001ffffff]
[ 0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32
bytes.
[ 0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases,
linesize 32 bytes
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
Total pages: 8128
[ 0.000000] Kernel command line: parts=1 boot_part_size=4194304
gpio=4031 HZ=150000000 mem=32M kmac=00:0C:42:35:50:8B board=411 ver=3.18
boot=1 mlc=6 rootfstype=yaffs noinitrd
[ 0.000000] PID hash table entries: 128 (order: -3, 512 bytes)
[ 0.000000] Dentry cache hash table entries: 4096 (order: 2, 16384
bytes)
[ 0.000000] Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000000] Writing ErrCtl register=00000000
[ 0.000000] Readback ErrCtl register=00000000
[ 0.000000] Memory: 26208K/32768K available (2931K kernel code, 164K
rwdata, 584K rodata, 1944K init, 196K bss, 6560K reserved, 0K cma-
reserved)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] NR_IRQS:83
[ 0.000000] Clocks: CPU:300.000MHz, DDR:300.000MHz, AHB:150.000MHz,
Ref:40.000MHz
[ 0.000000] clocksource MIPS: mask: 0xffffffff max_cycles: 0xffffffff,
max_idle_ns: 12741736309 ns
[ 0.000017] sched_clock: 32 bits at 150MHz, resolution 6ns, wraps every
14316557820ns
[ 0.007821] Calibrating delay loop... 199.06 BogoMIPS (lpj=995328)
[ 0.090374] pid_max: default: 32768 minimum: 301
[ 0.095167] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.101698] Mountpoint-cache hash table entries: 1024 (order: 0, 4096
bytes)
[ 0.113415] clocksource jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.125151] NET: Registered protocol family 16
[ 0.131986] MIPS: machine is MikroTik RouterBOARD 411/A/AH
[ 0.657046] registering PCI controller with io_map_base unset
[ 0.677347] rb4xx-spi rb4xx-spi: master is unqueued, this is deprecated
[ 0.685460] PCI host bridge to bus 0000:00
[ 0.689495] pci_bus 0000:00: root bus resource [mem
0x10000000-0x16ffffff]
[ 0.696355] pci_bus 0000:00: root bus resource [io 0x0000]
[ 0.701840] pci_bus 0000:00: root bus resource [??? 0x00000000 flags
0x0]
[ 0.708590] pci_bus 0000:00: No busn resource found for root bus, will
use [bus 00-ff]
[ 0.717094] pci 0000:00:12.0: BAR 0: assigned [mem
0x10000000-0x1000ffff]
[ 0.723837] pci 0000:00:12.0: using irq 40 for pin 1
[ 0.730138] Switched to clocksource MIPS
[ 0.736201] NET: Registered protocol family 2
[ 0.742384] TCP established hash table entries: 1024 (order: 0, 4096
bytes)
[ 0.749291] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.755660] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.762124] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.767888] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.774532] NET: Registered protocol family 1
[ 5.309013] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 5.340646] io scheduler noop registered
[ 5.344506] io scheduler deadline registered (default)
[ 5.350291] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
�[ 5.385243] serial8250.0: ttyS0 at MMIO 0x18020000 (irq = 11,
base_baud = 9375000) is a 16550A
}}}
--
Ticket URL: <https://dev.openwrt.org/ticket/21019#comment:2>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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