On 01/16/2015 07:09 AM, poma wrote:
On 16.01.2015 10:37, Hayes Wang wrote:
poma [mailto:pomidorabelisima@xxxxxxxxx]
Sent: Friday, January 16, 2015 4:25 PM
[...]
This looks like a USB problem. Is there a way to get usb (or
NetworkManager) to reinitialize the driver when this happens?
I would ask these people for advice, therefore.
Our hw engineers need to analyse the behavior of the device.
However, I don't think you have such instrument to provide
the required information. If we don't know the reason, we
couldn't give you the proper solution. Besides, your solution
would work if and only if reloading the driver is helpful.
The issue have to debug from the hardware, and I have no idea
about what the software could do before analysing the hw. Maybe
you could try the following driver first to check if it is useful.
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=2&PNid=13&PFid=56&Level=5&Conn=4&DownTypeID=3&GetDown=false
Best Regards,
Hayes
Thanks for your response, Mr. Hayes.
Mr. Sean, please download and check if "timeout" is still present with built RTL8153 module from REALTEK site, as Mr. Hayes proposed.
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=2&PNid=13&PFid=56&Level=5&Conn=4&DownTypeID=3&GetDown=false#2
r8152.53-2.03.0.tar.bz2
Procedure - should be equal for both, Fedora 21 & 20:
$ uname -r
3.17.8-300.fc21.x86_64
$ su -c 'yum install kernel-devel'
$ tar xf r8152.53-2.03.0.tar.bz2
$ cd r8152-2.03.0/
$ make
$ su
# cp 50-usb-realtek-net.rules /etc/udev/rules.d/
# udevadm trigger --action=add
# modprobe -rv r8152
# cp r8152.ko /lib/modules/$(uname -r)/updates/
# depmod
# modprobe -v r8152
poma
OK, will do.
In the meantime, here's the kernel log showing the timeout, the removal
of the usb ethernet adapter, and it's reinsertion:
Jan 15 00:15:18 kernel: r8152 2-1:1.0 internal: Tx timeout
Jan 15 00:15:23 kernel: r8152 2-1:1.0 internal: Tx timeout
Jan 15 00:15:29 kernel: usb 2-1: USB disconnect, device number 4
Jan 15 00:15:29 kernel: r8152 2-1:1.0 internal: Tx status -108
.....................
Jan 15 00:15:29 kernel: r8152 2-1:1.0 internal: Tx status -108
Jan 15 00:15:29 kernel: r8152 2-1:1.0 internal: Tx status -108
Jan 15 00:15:31 kernel: usb 2-1: new high-speed USB device number 5
using ehci-pci
Jan 15 00:15:31 kernel: usb 2-1: New USB device found, idVendor=0bda,
idProduct=8152
Jan 15 00:15:31 kernel: usb 2-1: New USB device strings: Mfr=1,
Product=2, SerialNumber=3
Jan 15 00:15:31 kernel: usb 2-1: Product: USB 10/100 LAN
Jan 15 00:15:31 kernel: usb 2-1: Manufacturer: CE-LINK
Jan 15 00:15:31 kernel: usb 2-1: SerialNumber: ...........
Jan 15 00:15:31 kernel: usb 2-1: reset high-speed USB device number 5
using ehci-pci
Jan 15 00:15:31 kernel: r8152 2-1:1.0 eth0: v1.06.1 (2014/10/01)
Jan 15 00:15:32 kernel: r8152 2-1:1.0 internal: renamed from eth0
Jan 15 00:15:32 systemd-udevd[12869]: renamed network interface eth0 to
internal
Jan 15 00:15:32 kernel: IPv6: ADDRCONF(NETDEV_UP): internal: link is not
ready
Jan 15 00:15:34 kernel: IPv6: ADDRCONF(NETDEV_CHANGE): internal: link
becomes ready
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