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#1 2013-01-30 13:10:18

psathiya1987
Member
Registered: 2012-02-26
Posts: 11

Kernel3.7.5 version compile doubts

Hey Guys,
I downloaded and compiled the kernel 3.7.5 from kernel.org . All functionalities are working fine except two. I have listed them below

1) In conky, the wireless network strength option does display the % in number but as unk% . I checked conky forums and they have stated the problem is not with conky but with the kernel. This is not a show-stopper but I would like to know.

2) getcap functionality is not available. I use ext4 filesystem throughout and have disabled ext2,ext3 in the kernel config. My ext4 config below

CONFIG_EXT4_FS=y
CONFIG_EXT4_USE_FOR_EXT23=y
CONFIG_EXT4_FS_XATTR=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y

I have enabled extended attributes for ext4 in the kernel. Please let me know where I am going wrong.

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#2 2013-01-30 18:17:34

the sad clown
Member
From: 192.168.0.X
Registered: 2011-03-20
Posts: 833

Re: Kernel3.7.5 version compile doubts

re: conky, are you talking about this:

 ${wireless_link_qual_perc <yourwirelessnetworknamehere>}

I laugh, yet the joke is on me

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#3 2013-01-31 07:36:26

psathiya1987
Member
Registered: 2012-02-26
Posts: 11

Re: Kernel3.7.5 version compile doubts

Yes, but in my conky the property is like this

${wireless_link_qual_perc wlan0}%

I mucked up the kernel config. will try your suggestion once I bring the kernel up

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#4 2013-01-31 21:26:54

the sad clown
Member
From: 192.168.0.X
Registered: 2011-03-20
Posts: 833

Re: Kernel3.7.5 version compile doubts

I just want to make sure of something.  You haven't switched over to the new naming convention for network interfaces?  The conky command is working fine with me, and I'm using 3.7.5 also.  My wireless interface is now named wlp2s0.  What does "ip link" show you?


I laugh, yet the joke is on me

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#5 2013-02-21 14:19:07

psathiya1987
Member
Registered: 2012-02-26
Posts: 11

Re: Kernel3.7.5 version compile doubts

Sorry, I was away for some days. I have not switched over to any new naming conventions(that I am aware of).I downloaded the kernel and compiled it. that's it. But here is the result of ip link

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: sit0: <NOARP> mtu 1480 qdisc noop state DOWN mode DEFAULT
    link/sit 0.0.0.0 brd 0.0.0.0
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DORMANT qlen 1000
    link/ether 68:5d:43:2e:38:3f brd ff:ff:ff:ff:ff:ff

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#6 2013-02-21 14:36:54

mich41
Member
Registered: 2012-06-22
Posts: 599

Re: Kernel3.7.5 version compile doubts

1. Probably you didn't select
networking -> wireless -> cfg80211 -> wireless extension compatibility

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#7 2013-02-21 16:20:37

psathiya1987
Member
Registered: 2012-02-26
Posts: 11

Re: Kernel3.7.5 version compile doubts

That did the trick , Thank you.

I just have another doubt though. The arch kernel has a lot of modules, but the one I compiled has no modules. I am just wondering, for example the ethernet driver was loaded as r8169 module but in my custom kernel, I have included it directly in the kernel. Is this the correct approach or is the arch kernel way the correct one ?

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#8 2013-02-21 16:28:13

Scimmia
Bug Wrangler
Registered: 2012-09-01
Posts: 5,121

Re: Kernel3.7.5 version compile doubts

Either way is fine. By building what you need into the kernel, you don't have to have an initrd anymore, which can be nice, and you don't have all of the modules you don't need taking up drive space. Beyond that, it doesn't really matter.

The Arch kernel is built that way to be generic. It will load what it needs for whatever hardware it's running on.

Last edited by Scimmia (2013-02-21 16:28:54)

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