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Old 09-23-2012, 09:46 AM   #1
Registered: May 2010
Posts: 427

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modinfo network controller

How can I interpret the output of the "modinfo" command.
For example, the network module information is

filename:       /lib/modules/2.6.32-34-generic/kernel/drivers/net/r8169.ko
version:        2.3LK-NAPI
license:        GPL
description:    RealTek RTL-8169 Gigabit Ethernet driver
author:         Realtek and the Linux r8169 crew <>
srcversion:     741D80D73655DA31EBC1103
alias:          pci:v00000001d00008168sv*sd00002410bc*sc*i*
alias:          pci:v00001737d00001032sv*sd00000024bc*sc*i*
alias:          pci:v000016ECd00000116sv*sd*bc*sc*i*
alias:          pci:v00001259d0000C107sv*sd*bc*sc*i*
alias:          pci:v00001186d00004300sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008169sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008168sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008167sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008136sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008129sv*sd*bc*sc*i*
depends:        mii
vermagic:       2.6.32-34-generic SMP mod_unload modversions 
parm:           rx_copybreak:Copy breakpoint for copy-only-tiny-frames (int)
parm:           use_dac:Enable PCI DAC. Unsafe on 32 bit PCI slot. (int)
parm:           debug:Debug verbosity level (0=none, ..., 16=all) (int)
On another linux (which has intel controller), I see that the depends" field is empty. So what does "mii" mean here?

Also, how can I enable the debug verbosity? it says there are 16 levels!
Old 09-23-2012, 11:06 AM   #2
Registered: May 2001
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Originally Posted by mahmoodn View Post
what does "mii" mean here?
Another module. Run 'modinfo mii'.

Originally Posted by mahmoodn View Post
Also, how can I enable the debug verbosity?
If you want it permanently add an entry 'echo "options r8169 debug=16" >> /etc/modprobe.conf' or use an /etc/modprobe.d/ entry elif it's a one-off then 'modprobe r8169 debug=16' should set it but you may have to 'rmmod r8169' before that which your system probably won't allow if the card is in use.


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