GS752TPv2 firmware failure, or hardware failure?

Hello all!

I have exactly the same problem also with an GS752TPv2!

So i connected a TTL-USB converter to the console port on rear side an read with TeraTerm following Bootseq

BOOT Loader Version 1.0.0.5 (2017-12-28 09:35:22 UTC)



CPU : 700 MHz

RAM : 128 MB

FLASH: 32 MB



Model: GS752TPv2

MAC : 80:CC:9C:**:**:**



Hit Esc key to stop autoboot: 0

## Booting image from partition ... 0

## Booting kernel from Legacy Image at 81000000 ...

Version: 6.0.6.2

Created: 2021-02-04 17:31:48 UTC

Data Size: 11009456 Bytes = 10.5 MB

Checksum ... OK

Uncompressing ... OK



Starting kernel ...



dal_cypress_construct_phyConfig_init,1039: 0.0 phy enable fail.

dal_cypress_construct_phyConfig_init,1039: 0.1 phy enable fail.

dal_cypress_construct_phyConfig_init,1039: 0.2 phy enable fail.

dal_cypress_construct_phyConfig_init,1039: 0.3 phy enable fail.

dal_cypress_construct_phyConfig_init,1039: 0.4 phy enable fail.

dal_cypress_construct_phyConfig_init,1039: 0.5 phy enable fail.

dal_cypress_construct_phyConfig_init,1039: 0.6 phy enable fail.

dal_cypress_construct_phyConfig_init,1039: 0.7 phy enable fail.

dal_cypress_construct_phyConfig_init,1055: 0.0 phy enable fail.

dal_cypress_construct_phyConfig_init,1055: 0.1 phy enable fail.

dal_cypress_construct_phyConfig_init,1055: 0.2 phy enable fail.

dal_cypress_construct_phyConfig_init,1055: 0.3 phy enable fail.

dal_cypress_construct_phyConfig_init,1055: 0.4 phy enable fail.

dal_cypress_construct_phyConfig_init,1055: 0.5 phy enable fail.

dal_cypress_construct_phyConfig_init,1055: 0.6 phy enable fail.

dal_cypress_construct_phyConfig_init,1055: 0.7 phy enable fail.

unknown rt error code f030



<3><!-RTK_INIT_FAILURE-!>Init SKI Core Driver Module....FAILED

CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 8003de18, ra == c00ebf84

Oops[#1]:

CPU: 0 PID: 128 Comm: insmod Tainted: P O 3.18.24 #3

task: 8090c5a8 ti: 8093c000 task.ti: 8093c000

$ 0 : 00000000 00000000 00000000 0000007d

$ 4 : 00000000 ffffffff 00000000 00000000

$ 8 : 0000003c 80152134 ffffffff 803fba40

$12 : 810b6014 803120ac 00000000 00000000

$16 : 00000001 00000000 00000000 00040000

$20 : 00000001 c1a50000 c1a50000 00000000

$24 : 8003de00 c00ebe90

$28 : 8093c000 8093d9a8 803e0000 c00ebf84

Hi : 00000004

Lo : d39ab280

epc : 8003de18 down_interruptible+0x18/0x60

ra : c00ebf84 osal_sem_take+0xf4/0x158 [rtcore]

Status: 1000ff02 KERNEL EXL

Cause : 08800008

BadVA : 00000000

PrId : 00019555 (MIPS 34Kc)

Modules linked in: l2g_igmp(PO+) l2g_lacp(PO) l2g_authmgr(PO) l2g_stp(PO) l2g_gvrp(PO) ski(PO) osal(O) ksi(PO) net(PO) board_conf(O) max3421_hcd rtdrv rtk rtcore

Process insmod (pid: 128, threadinfo=8093c000, task=8090c5a8, tls=77b0a460)

Stack : 00000000 00000141 803fb940 00000000 ffffffff c00ebf84 00000000 000c0000

00000001 00000000 c15afe60 c1310000 c00ebfe8 8093da28 00040000 00000001

c1a50000 c07a7620 ffffffff ffffffff 00000000 803fb940 80152080 c1a50000

803e0000 c15a1318 00000000 87c01640 00000020 810b6000 87c02380 00000000

00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

...

Call Trace:

[<8003de18>] down_interruptible+0x18/0x60

[<c00ebf84>] osal_sem_take+0xf4/0x158 [rtcore]

[<c07a7620>] rsd_l3_adminIntfMgmt_get+0x34/0xa0 [ski]

[<c15a1318>] mcast_querier_init+0xf4/0x19c [l2g_igmp]

[<c158dda8>] mcast_init+0x84/0x1a4 [l2g_igmp]

[<c1a61038>] init_module+0x38/0x90 [l2g_igmp]

[<8000058c>] do_one_initcall+0xf8/0x25c

[<80061608>] load_module+0x1ecc/0x22a8

[<80061a84>] SyS_init_module+0xa0/0x104

[<8000a81c>] handle_sys+0x11c/0x140





Code: 41706000 32100001 000000c0 <8c820000> 1040000c 00000000 2442ffff ac820000 00001021

---[ end trace ec21f9d5a702edb1 ]---

Segmentation fault

Segmentation fault



~ #

Can anybody tell me what's happens?

I have tried to load the FW v6.0.6.2 with "loady" to the flash and save them als runtime1 and runtime 2, but same sh... before...

How can i fix the problem? TFTP is not possible, but all LAN Ports are down.

Regards Sascha