During boot, if R52H is connected, I can see this by serial port:
jumping to kernel code
Starting...
Starting services...
Oops[#1]:
Cpu 0
$ 0 : 00000000 00000064 d1320000 deadc0de
$ 4 : 000000c8 00004d58 ffffffff c03bebac
$ 8 : c03c2c65 00000000 000000bc 00000000
$12 : 00000000 080072ff 080072df 6e637920
$16 : c1f70000 00000002 fffcffff 00000064
$20 : 00010000 c1f74470 0000005a c1f70080
$24 : 00000003 00000000
$28 : c1f6c000 c1f6dc58 00450000 c1faabf0
Hi : 000000bc
Lo : a1d80000
epc : c1faabfc a5212_swba_int+0x382c/0x4a08 [a5212@0xc1fa0000]
Tainted: P
ra : c1faabf0 a5212_swba_int+0x3820/0x4a08 [a5212@0xc1fa0000]
Status: 1000c603 KERNEL EXL IE
Cause : 1080001c
PrId : 00019374 (MIPS 24Kc)
Process insmod (pid: 236, threadinfo=c1f6c000, task=c085c450, tls=00000000)
Stack : 00010000 000000d0 00438a4c 00010000 c1f70000 00000013 00000013 00000000
00000000 c1fab5a0 000000d0 00000041 d0000000 00000000 00000001 00000034
10000000 00000000 00000000 00000000 c1f70000 00000000 00000000 c1fac4dc
10000000 c1f74470 0000005a c1f70080 00000000 c02f9a54 10000000 c010ffdc
c1f70000 c1f70080 00000002 d1320000 10000000 c1fa20a0 00000000 0000000a
...
Call Trace:
[<c1faabfc>] a5212_swba_int+0x382c/0x4a08 [a5212@0xc1fa0000]
[<c1faabf0>] a5212_swba_int+0x3820/0x4a08 [a5212@0xc1fa0000]
Code: 8e020a18 26310001 8c434004 <00721824> ac434004 5633fff4 8e020a18 3c0
---[ end trace dfde3d450a918355 ]---
Netfilter messages via NETLINK v0.30.
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
MikroTik 5.16
MikroTik Login: ctnetlink v0.93: registering with nfnetlink.
ip6_tables: (C) 2000-2006 Netfilter Core Team
usbcore: registered new device driver usb
ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
rb400-ohci rb400-ohci.0: RB400 OHCI
rb400-ohci rb400-ohci.0: new USB bus registered, assigned bus number 1
rb400-ohci rb400-ohci.0: irq 22, io mem 0x1c000000
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
ip_tables: (C) 2000-2006 Netfilter Core Team
usb 1-2: new full speed USB device using rb400-ohci and address 2
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
Warning! ehci_hcd should always be loaded before uhci_hcd and ohci_hcd, not aftr
ath chip revision: 000000a8
rb400-ehci rb400-ehci.0: RB400 EHCI
rb400-ehci rb400-ehci.0: new USB bus registered, assigned bus number 2
rb400-ehci rb400-ehci.0: irq 3, io mem 0x1b000000
rb400-ehci rb400-ehci.0: USB 2.0 started, EHCI 1.00
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
ar724x_usb: Host Tx Pre-Buffer Packet Tuning [00000000]
usb 1-2: can't set config #1, error -62
usb 1-2: USB disconnect, address 2
netfilter PSD loaded - (c) astaro AG
hub 2-0:1.0: unable to enumerate USB device on port 2
usbcore: registered new interface driver usbserial
USB Serial support registered for generic
usb 1-2: new full speed USB device using rb400-ohci and address 3
usbcore: registered new interface driver usbserial_generic
usbserial: USB Serial Driver core
USB Serial support registered for Sierra USB modem
sierra 1-2:1.0: Sierra USB modem converter detected
usb 1-2: Sierra USB modem converter now attached to ttyUSB0
usb 1-2: Sierra USB modem converter now attached to ttyUSB1
usb 1-2: Sierra USB modem converter now attached to ttyUSB2
usbcore: registered new interface driver sierra
sierra: v.1.7.16:USB Driver for Sierra Wireless USB modems
rb400_beep 5000
rb400_beep 0
rb400_beep 5000
rb400_beep 0
rb400_beep 0
reset ag7100
eth0: reset unit 0 (phy 1)
eth0: open
skb_bin_request: add eth0 1526 1622
eth0: reset unit 0 (phy 1)
eth0: link down
and without any operation this is the "console" abnormar output:
alg: No test for ecb(cipher_null) (ecb-cipher_null)
alg: No test for digest_null (digest_null-generic)
alg: No test for compress_null (compress_null-generic)
NET: Registered protocol family 15
mpls_nl_init: id 17
fan: init
rb_ioctl, cmd: 0x1, arg: 0x0
rb: RB_CFG_SIZE
rb_ioctl, cmd: 0x3, arg: 0x4208d0
rb: RB_READ_CFG
rb_ioctl, cmd: 0xf, arg: 0x0
rb: RB_GET_TYPE
rb_ioctl, cmd: 0x2, arg: 0x0
rb: RB_INFO_SIZE
rb_ioctl, cmd: 0x4, arg: 0x4218d8
rb: RB_READ_INFO
