https://community.nxp.com/t5/i-MX-Processors/MDIO-read-timeout/m-p/1280887#M174438 <P>Hi Thepnimit</P> <P>&nbsp;</P> <P>reason may be wrong image, one can look at compulab design resources and post issue</P> <P>on board vendor support portal</P> <P><A href="https://www.compulab.com/products/computer-on-modules/cl-som-imx8-nxp-i-mx-8-system-on-module-computer/#devres" target="_blank">https://www.compulab.com/products/computer-on-modules/cl-som-imx8-nxp-i-mx-8-system-on-module-computer/#devres</A></P> <P>&nbsp;</P> <P>Best regards<BR />igor</P> Mon, 24 May 2021 06:31:42 GMT igorpadykov 2021-05-24T06:31:42Z https://community.nxp.com/t5/i-MX-Processors/MDIO-read-timeout/m-p/1280678#M174415 <P>Hi</P><P>we have problem with PHY driver&nbsp;</P><P>[ 11.057721] fec 5b040000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx<BR />[ 11.092883] fec 5b040000.ethernet eth0: MDIO read timeout<BR />[ 11.098371] ------------[ cut here ]------------<BR />[ 11.103006] WARNING: CPU: 1 PID: 375 at drivers/net/phy/phy.c:716 phy_error+0x10/0x58<BR />[ 11.110840] Modules linked in: crct10dif_ce<BR />[ 11.115218] CPU: 1 PID: 375 Comm: kworker/u8:3 Tainted: G C 5.4.70 #4<BR />[ 11.124681] Hardware name: CompuLab CL-SOM-iMX8X on SB-iMX8X (DT)<BR />[ 11.130789] Workqueue: events_power_efficient phy_state_machine<BR />[ 11.136715] pstate: 60000005 (nZCv daif -PAN -UAO)<BR />[ 11.141508] pc : phy_error+0x10/0x58<BR />[ 11.145087] lr : phy_state_machine+0x90/0x178<BR />[ 11.149447] sp : ffff8000126dbd60<BR />[ 11.152757] x29: ffff8000126dbd60 x28: ffff800011616000<BR />[ 11.158072] x27: 0000000000000000 x26: ffff80001006bce8<BR />[ 11.163388] x25: 0000000000000000 x24: 00000000ffffff92<BR />[ 11.168706] x23: ffff0000794dc800 x22: 0000000000000005<BR />[ 11.174022] x21: ffff0000794dcc38 x20: ffff0000794dc7e0<BR />[ 11.179339] x19: ffff0000794dc800 x18: 0000000000000010<BR />[ 11.184656] x17: 0000000000000000 x16: 0000000000000000<BR />[ 11.189972] x15: ffff00007831f470 x14: ffffffffffffffff<BR />[ 11.195289] x13: ffff8000926db8a7 x12: ffff8000126db8b0<BR />[ 11.200606] x11: ffff800011631000 x10: ffff800011725328<BR />[ 11.205923] x9 : 0000000000000000 x8 : ffff800011726000<BR />[ 11.211239] x7 : ffff80001067bb78 x6 : 00000000159b1c45<BR />[ 11.216556] x5 : 00ffffffffffffff x4 : 0000000000000000<BR />[ 11.221873] x3 : ffff0000794dcc38 x2 : 0000000000000000<BR />[ 11.227190] x1 : ffff00007831f000 x0 : ffff0000794dc800<BR />[ 11.232510] Call trace:<BR />[ 11.234963] phy_error+0x10/0x58<BR />[ 11.238191] phy_state_machine+0x90/0x178<BR />[ 11.242208] process_one_work+0x198/0x320<BR />[ 11.246220] worker_thread+0x48/0x420<BR />[ 11.249890] kthread+0xf0/0x120<BR />[ 11.253033] ret_from_fork+0x10/0x18<BR />[ 11.256610] ---[ end trace 0ff57ed249eee65b ]---</P><P>Thepnimit</P> Sat, 22 May 2021 16:27:30 GMT https://community.nxp.com/t5/i-MX-Processors/MDIO-read-timeout/m-p/1280678#M174415 thepnimit 2021-05-22T16:27:30Z https://community.nxp.com/t5/i-MX-Processors/MDIO-read-timeout/m-p/1280887#M174438 <P>Hi Thepnimit</P> <P>&nbsp;</P> <P>reason may be wrong image, one can look at compulab design resources and post issue</P> <P>on board vendor support portal</P> <P><A href="https://www.compulab.com/products/computer-on-modules/cl-som-imx8-nxp-i-mx-8-system-on-module-computer/#devres" target="_blank">https://www.compulab.com/products/computer-on-modules/cl-som-imx8-nxp-i-mx-8-system-on-module-computer/#devres</A></P> <P>&nbsp;</P> <P>Best regards<BR />igor</P> Mon, 24 May 2021 06:31:42 GMT https://community.nxp.com/t5/i-MX-Processors/MDIO-read-timeout/m-p/1280887#M174438 igorpadykov 2021-05-24T06:31:42Z