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| jdahlin | (re-asking question asked in #ubuntu-devel) Was CONFIG_KPROBES recently turned on in ubuntu kernels? | 01:53 |
|---|---|---|
| BenC | jdahlin: it's disabled on all our architectures | 02:46 |
| jdahlin | BenC: just curious, do you know why? | 02:46 |
| BenC | because it's meant for kernel testing and debugging | 02:48 |
| BenC | and generally if you are doing debugging and testing of the kernel, you are compiling your own | 02:48 |
| jdahlin | developers are also ubuntu users | 02:48 |
| jdahlin | I'm mainly asking, because I'd like to run systemtap | 02:48 |
| jdahlin | and I'm not really interested in recompling my kernel | 02:49 |
| BenC | it isn't a matter of developer....kernel developers are building their own kernels | 02:49 |
| BenC | what is systemtap? | 02:49 |
| jdahlin | 'dtrace for linux' | 02:49 |
| jdahlin | http://www.google.com/url?sa=t&ct=res&cd=3&url=http%3A//www.redhat.com/magazine/011sep05/features/systemtap/&ei=LX4TROzjAZ6wqQKb7oWYDQ&sig2=Wov4CjGvzajGwoweaSbqtQ | 02:49 |
| jdahlin | oops | 02:49 |
| jdahlin | http://www.redhat.com/magazine/011sep05/features/systemtap/ | 02:49 |
| BenC | KPROBES is also marked experimental | 02:49 |
| BenC | isn't dtrace a kernel level tracing tool? | 02:50 |
| jdahlin | are experimental features generally turned off in stock kernels? | 02:50 |
| jdahlin | yes, but useful for monitoring applications | 02:51 |
| BenC | yes, generally, unless enough demand warrants it | 02:51 |
| jdahlin | fedora might have turned on by default | 02:51 |
| BenC | but this is only the first request | 02:51 |
| jdahlin | systemtap seems pretty new, I haven't actually managed to use it (since it requires a kernel recompilation) | 02:51 |
| BenC | it's a little late in dapper cycle to enable it, maybe propose it for dapper+1 | 02:52 |
| jdahlin | but assuming it can do useful things, it should probably be turned at some point (when both kernel and user space matures) | 02:52 |
| jdahlin | sure, I'm not proposing turning it off just yet | 02:52 |
| jdahlin | err, on | 02:52 |
| jdahlin | BenC: sounds good. I'll investigate the tool and file a bug for turning on CONFIG_KPROBES for dapper+1 iff it turns out to be useful | 02:54 |
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| triceratops | Will the needed fglrx kernel modules be in dapper to fix bugs #32332 and #34314? | 05:16 |
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| nhaines | Hello, everyone. :) | 09:22 |
| nhaines | It's quiet here, so I'll check back later. Good bye, all. | 09:29 |
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| lotu5 | hello all... | 11:26 |
| lotu5 | i'm having a little trouble building the softmac module to get my airportextreme card working... can anyone help a bit? | 11:26 |
| lotu5 | specifically, i'm getting this error: make[1] : Entering directory `/lib/modules/2.6.15.1/build' | 11:27 |
| lotu5 | make[1] : *** No rule to make target `modules'. Stop. | 11:27 |
| lotu5 | anyone here? | 11:29 |
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| ppd | hi. building lirc modules doesn't work in dapper. is that known? | 03:50 |
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| zyga | does standard dapper kernel omit any soundcard drivers? | 06:25 |
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| ppd | hello, I was sent here from ubuntu-desktop with that question. Can it be that the ingain channel is missing on dapper for c-media soundcards? | 06:26 |
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| netzmeister | anybody in da house? :-D | 06:33 |
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| netzmeister | anybody in da house? :-D | 07:28 |
| netzmeister | how can i use ioperm in my kernel modul? | 07:28 |
| netzmeister | Warning: implizite declaration of function ioperm | 07:29 |
| mjg59 | netzmeister: You can't. It's a userland call. | 07:31 |
| netzmeister | any alternatives? | 07:31 |
| mjg59 | Why do you need it? | 07:32 |
| mjg59 | The kernel can read/write any io ports it wants | 07:32 |
| netzmeister | i develop a kernel modul to read my uGuru MainBoard controller.. (CPU temp etc..) | 07:32 |
| netzmeister | mjg59: That's nice to hear.. ;-) | 07:33 |
| netzmeister | do you've any code example for me? | 07:33 |
| mjg59 | No | 07:33 |
| netzmeister | :-( | 07:33 |
| mjg59 | You can just use inb and outb | 07:34 |
| netzmeister | okay | 07:35 |
| netzmeister | yes it works.. | 07:36 |
| netzmeister | i convert a "userland" source in a kernel module source.. | 07:36 |
| netzmeister | i do not need the ioperm function.. | 07:36 |
| netzmeister | '/* ioperm...... */ and all is fine. ;) | 07:37 |
| netzmeister | mjg59: Are you there? | 09:33 |
| mjg59 | netzmeister: Hi | 09:34 |
| netzmeister | hi | 09:34 |
| netzmeister | one question.. | 09:34 |
| netzmeister | i have two source files.. | 09:34 |
| netzmeister | one.c and two.c | 09:34 |
| netzmeister | in one.c i use some functions which are in two.c | 09:35 |
| netzmeister | but i don't know how i should create the makefile | 09:35 |
| netzmeister | (i will create a kernel module) | 09:35 |
| mjg59 | netzmeister: If it's a kernel module, you need to look at the makefiles in the kernel | 09:35 |
| mjg59 | The only supported way of producing kernel modules is to use the kernel build system now | 09:36 |
| mjg59 | (Even if you're building outside the kernel) | 09:36 |
| netzmeister | kernel build system? | 09:37 |
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