sorry for the noise..just to share this..i think i can answer my own question: klogd is not a kernel thread, but a userspace daemon. in FC10, it does not exists anymore: http://forums.fedoraforum.org/showthread.php?t=206690 thanks. On Thu, Sep 10, 2009 at 3:32 PM, Peter Teoh <htmldeveloper@xxxxxxxxx> wrote: > I liked all these articles....perhaps a suggestion for a new article: > klogd and its internal. > > First it started with me reading this: > > http://the-hydra.blogspot.com/2009/03/kernel-panic-when-calling-printk-inside.html > > and the comment was on klogd....but in my 2.6.31-rc9, i was not able > to find any klogd kernel when I do a "ps -ef", showing the following > list instead: > > root 2 0 0 10:42 ? 00:00:00 [kthreadd] > root 3 2 0 10:42 ? 00:00:00 [migration/0] > root 4 2 0 10:42 ? 00:00:00 [ksoftirqd/0] > root 5 2 0 10:42 ? 00:00:00 [watchdog/0] > root 6 2 0 10:42 ? 00:00:00 [migration/1] > root 7 2 0 10:42 ? 00:00:00 [ksoftirqd/1] > root 8 2 0 10:42 ? 00:00:00 [watchdog/1] > root 9 2 0 10:42 ? 00:00:00 [events/0] > root 10 2 0 10:42 ? 00:00:00 [events/1] > root 11 2 0 10:42 ? 00:00:00 [khelper] > root 17 2 0 10:42 ? 00:00:00 [async/mgr] > root 155 2 0 10:42 ? 00:00:00 [kintegrityd/0] > root 156 2 0 10:42 ? 00:00:00 [kintegrityd/1] > root 158 2 0 10:42 ? 00:00:00 [kblockd/0] > root 159 2 0 10:42 ? 00:00:00 [kblockd/1] > root 161 2 0 10:42 ? 00:00:00 [kacpid] > root 162 2 0 10:42 ? 00:00:00 [kacpi_notify] > root 163 2 0 10:42 ? 00:00:00 [kacpi_hotplug] > root 253 2 0 10:42 ? 00:00:00 [ata/0] > root 254 2 0 10:42 ? 00:00:01 [ata/1] > root 255 2 0 10:42 ? 00:00:00 [ata_aux] > root 257 2 0 10:42 ? 00:00:00 [ksuspend_usbd] > root 261 2 0 10:42 ? 00:00:00 [khubd] > root 264 2 0 10:42 ? 00:00:00 [kseriod] > root 333 2 0 10:42 ? 00:00:00 [khungtaskd] > root 356 2 0 10:42 ? 00:00:00 [pdflush] > root 357 2 0 10:42 ? 00:00:00 [pdflush] > root 358 2 0 10:42 ? 00:00:01 [kswapd0] > root 412 2 0 10:42 ? 00:00:00 [aio/0] > root 413 2 0 10:42 ? 00:00:00 [aio/1] > root 424 2 0 10:42 ? 00:00:00 [crypto/0] > root 425 2 0 10:42 ? 00:00:00 [crypto/1] > root 636 2 0 10:42 ? 00:00:00 [kpsmoused] > root 642 2 0 10:42 ? 00:00:00 [kstriped] > root 645 2 0 10:42 ? 00:00:00 [ksnapd] > root 674 2 0 10:42 ? 00:00:00 [usbhid_resumer] > root 807 2 0 10:42 ? 00:00:01 [scsi_eh_0] > root 808 2 0 10:42 ? 00:00:00 [scsi_eh_1] > root 819 2 0 10:42 ? 00:00:00 [scsi_eh_2] > root 820 2 0 10:42 ? 00:00:00 [scsi_eh_3] > root 822 2 0 10:42 ? 00:00:00 [scsi_eh_4] > root 823 2 0 10:42 ? 00:00:00 [scsi_eh_5] > root 830 2 0 10:42 ? 00:00:00 [kjournald] > root 1275 2 0 10:42 ? 00:00:00 [kgameportd] > root 1426 2 0 10:42 ? 00:00:00 [scsi_eh_6] > root 1427 2 0 10:42 ? 00:00:00 [scsi_eh_7] > root 1628 2 0 10:42 ? 00:00:00 [kauditd] > root 1784 2 0 10:42 ? 00:00:00 [kmpathd/0] > root 1786 2 0 10:42 ? 00:00:00 [kmpathd/1] > root 1787 2 0 10:42 ? 00:00:00 [kmpath_handlerd] > root 1829 2 0 10:43 ? 00:00:00 [kjournald2] > root 1830 2 0 10:43 ? 00:00:00 [kjournald] > root 1831 2 0 10:43 ? 00:00:00 [kjournald] > root 1832 2 0 10:43 ? 00:00:00 [kjournald] > root 1833 2 0 10:43 ? 00:00:00 [kjournald] > root 1834 2 0 10:43 ? 00:00:00 [kjournald] > root 1835 2 0 10:43 ? 00:00:00 [kjournald] > root 1836 2 0 10:43 ? 00:00:00 [kjournald] > root 1841 2 0 10:43 ? 00:00:00 [kjournald2] > root 2060 2 0 10:43 ? 00:00:00 [rpciod/0] > root 2062 2 0 10:43 ? 00:00:00 [rpciod/1] > root 2411 2 0 10:43 ? 00:00:00 [bluetooth] > > where is klogd? > > the /proc/kmsg and fs/proc/kmsg.c interface still exists, but I cannot > find who uses this facilitiy, and thus transferring the data from the > "ring buffer" (as mentioned in Mulyadi's blog) to the syslogd? > > kernel does changes very fast....:-), or perhaps i missed something. > > On Thu, Sep 10, 2009 at 1:36 AM, Robert P. J. Day <rpjday@xxxxxxxxxxxxxx> wrote: >> On Wed, 9 Sep 2009, Mulyadi Santosa wrote: >> >>> On Wed, Sep 9, 2009 at 11:04 PM, Robert P. J. Day<rpjday@xxxxxxxxxxxxxx> wrote: >>> > >>> > for various reasons, i skipped a week, but i like to think this >>> > week's column -- part 3 of 3 of sequence files -- makes up for it. >>> > it hurt to write. make sure you ask questions in the comments >>> > section. >>> > >>> > http://cli.gs/ShyJXz >>> > >>> > rday >>> >>> personally, I appreciate your effort on writing every article in >>> this series Robert. I think, in this particular article, you did >>> quite extensive explanation so one or two mistakes are quite >>> acceptable IMO. >> >> and if you do indeed find errors, by all means, leave a comment, and >> i'll take care of it. because at linux.com, we're all about customer >> service. :-) >> >> rday >> -- >> >> ======================================================================== >> Robert P. J. Day Waterloo, Ontario, CANADA >> >> Linux Consulting, Training and Annoying Kernel Pedantry. >> >> Web page: http://crashcourse.ca >> Twitter: http://twitter.com/rpjday >> ======================================================================== > > > > -- > Regards, > Peter Teoh > -- Regards, Peter Teoh -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
