Public bug reported:
The sis190 driver generates a "PHY reset until link up" message on the
system logs every 5 or 10 seconds. That means that when you type 'dmesg'
there is A LOT of useless logs.
Cause: the network cable is not connected.
Fix:
Unload the current drivers:
sudo modprobe -v -r sis190
Download the kernel source code (2.6.24-19-generic)
edit this file on the kernel source: drivers/net/sis190.c
and change this:
#define SIS190_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | \
NETIF_MSG_LINK | NETIF_MSG_IFUP | \
NETIF_MSG_IFDOWN)
for this:
/*dc740 FIX:
Disable a really annoying driver log.
"PHY reset until link up."
*/
#define SIS190_MSG_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | \
NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
after changing the driver source code then we compile and install the new
modified and fixed driver, like this:
sudo make drivers/net/sis190.ko
sudo cp drivers/net/sis190.ko /lib/modules/`uname -r`/kernel/drivers/net/
sudo modprobe -v sis190
sudo ifconfig eth0 up
And the problem is gone.
This happens because the driver logs that the cable link y down by default,
thanks to this: "NETIF_MSG_LINK"
Of course this log is useless and it souldn't be there. The easy fix is to
change the default logging parameters.
lsb_release -rd
Description: Ubuntu 8.04.1
Release: 8.04
I hope to see this change on the next kernel release, but I don't know
where to report it.
Thanks for your time
** Affects: ubuntu
Importance: Undecided
Status: New
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PHY reset until link up excesive log on dmesg
https://bugs.launchpad.net/bugs/270184
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