I am using klogd and its running and also at boot time. I also search my printk message in these files /var/log/kern.log /var/log/boot, /var/log/dmesg, /var/log/messages, but no luck, anything else i need to look for?
Regards
On Fri, May 20, 2011 at 2:51 PM, mosta <mosta.me@googlemail.com> wrote:
This depends on your kernel logger. Do you use klogd/ sysklogd or
another one?
On 05/20/11 08:40, toqeer ali wrote:
> Hi Mosta,
>
> Thanks for the prompt reply, I added the same printk message in the
> other kernel files like here /usr/src/linux-2.6.33.3/init/calibrate.c
>
> int lps_precision = LPS_PREC;
> printk("*** Just testing prinkt to work ***\n");
> static bool printed;
>
> and recompiled the kernel and its showing in the dmesg. Is this means
> kernel logger is fine?
>
> also can please verify the steps i made to make lsm module just for
> pirnkt message.
>
> Regards
>
> On Fri, May 20, 2011 at 1:56 PM, mosta <mosta.me
> > mob: +60166205504 <tel:%2B60166205504> <tel:%2B60166205504>> <http://mosta.me>@googlemail.com <http://googlemail.com>> wrote:
>
> you have to check at what level you're kernel logger is and set it to
> the according level.
>
>
> greetings mosta
>
> On 05/20/11 06:29, toqeer ali wrote:
> > Hi All,
> >
> >
> > I am writing a skeleton LSM module to only print the message at boot
> > time, but I could not see any printk message in the dmesg.
> >
> > Below are steps i did to enable the printk messages in the LSM
> module.
> >
> > What i did is download linux kernel 2.6.33.3.
> >
> > 1) added the line source security/lsmcustommod/Kconfig in
> > linuxsrc/security/Kconfig near ima/Kconfig.
> > 2) added "subdir-$(CONFIG_SECURITY_LSMCUSTOMMOD) +=
> > lsmcustommod" line at linuxsrc/security/Makefile
> > 3) created a directory in linuxsrc/security/lsmcustommod and putted
> > three files
> >
> > i) lsmcustommod.c
> > ii) Kconfig
> > iii) Makefile
> >
> > *Kconfig file contents*
> >
> > config SECURITY_LSMCUSTOMMOD
> > bool "LSMCUSTOMMOD Support"
> > depends on SECURITY
> > select NETWORK_SECMARK
> > default n
> > help
> >
> > *Makefile Contents*
> >
> > obj-$(CONFIG_SECURITY_LSMCUSTOMMOD) := lsmcustommod.o
> >
> > *lsmcustommod.c* contents
> >
> > static __init lsmcustommod_init(void){
> > /* register the hooks */
> >
> > if (register_security(&lsmcustommod_ops))
> > panic("lsmcustommod: Unable to register lsmcustommod
> > with kernel.\n");
> > else
> > printk("lsmcustommod: registered with the
> kernel\n");
> >
> > return 0;
> > }
> >
> > static void __exit lsmcustommod_exit (void)
> > {
> > return;
> > }
> >
> >
> >
> > module_init (lsmcustommod_init);
> > module_exit (lsmcustommod_exit);
> >
> > MODULE_DESCRIPTION("lsmcustommod");
> > MODULE_LICENSE("GPL");
> > #endif /* CONFIG_SECURITY_LSMCUSTOMMOD */
> >
> >
> >
> > After that I also added some return 0 and printk statments in the
> > lsmcustommod_ops stucture.
> >
> > lastly disabled all modules in make menuconfig and select
> LSMCUTOMMOD
> > in security sections of the menufile and compile the kernel by the
> > following command.
> >
> > make && make modules && make modules_install && make install
> > updategrub2
> >
> >
> > --
> > Toqeer Ali Syed
> >
> > Red Hat Certified Engineer
> >
> > mob: +92 321 9059916 <tel:%2B92%20321%209059916>> <mailto:Kernelnewbies@xxxxxxxxxxxxxxxxx>
> <tel:%2B92%20321%209059916>
> >
> >
> > _______________________________________________
> > Kernelnewbies mailing list
> > Kernelnewbies@xxxxxxxxxxxxxxxxx
> > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
>
>
>
>
> --
> Toqeer Ali Syed
>
> Red Hat Certified Engineer
>
> mob: +60166205504
> mob: +92 321 9059916
--
Toqeer Ali Syed
Red Hat Certified Engineer
mob: +60166205504
mob: +92 321 9059916
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