netdev - RE: r8152: error when loading the module

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Message-ID: <a05475db018e4e5ea8d24a62e6aab4e4@realtek.com>
Date: Fri, 20 Oct 2023 05:59:18 +0000
From: Hayes Wang <hayeswang@...ltek.com>
To: Jakub Kicinski <kuba@...nel.org>, Ferenc Fejes <fejes@....elte.hu>
CC: netdev <netdev@...r.kernel.org>,
        "linux-usb@...r.kernel.org"
	<linux-usb@...r.kernel.org>
Subject: RE: r8152: error when loading the module

[...]
> > On my machine r8152 module loading takes about one minute.
> >
> > Its a Debian Sid:
> > uname -a
> > Linux pc 6.5.0-2-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.5.6-1 (2023-10-07) x86_64 GNU/Linux
> 
> Did this device work fine with older kernels or this is the only one
> you tried? The code doesn't seem to have changed all that much since
> RTL8156B support was added.
> 
> > dmesg:
> >
> >
> > [  899.522306] usbcore: registered new device driver r8152-cfgselector
> > [  899.601295] r8152-cfgselector 2-1.3: reset SuperSpeed USB device number 4 using xhci_hcd
> > [  927.789526] r8152 2-1.3:1.0: firmware: direct-loading firmware rtl_nic/rtl8156b-2.fw
> > [  942.033905] r8152 2-1.3:1.0: load rtl8156b-2 v2 04/27/23 successfully

Someone reports there is an error message when loading rtl8156b-2 v2 04/27/23.
	r8152 6-1:1.0: ram code speedup mode fail

I don't find the same message for you.
However, I check the firmware and find some wrong content.
Could you remove /lib/firmware/rtl_nic/rtl8156b-2.fw and unplug the device.
Then, plug the device and check it again.

> > [  956.269444] ------------[ cut here ]------------
> > [  956.269447] WARNING: CPU: 7 PID: 211 at drivers/net/usb/r8152.c:7668 r8156b_hw_phy_cfg+0x1417/0x1430 [r8152]
> > [  956.269458] Modules linked in: r8152(+) hid_logitech_hidpp uhid ccm


Best Regards,
Hayes