On Mon, Jan 17, 2011 at 11:43 AM, Stephen Powell <zlinux...@wowway.com> wrote: > On Mon, 17 Jan 2011 11:02:15 -0500 (EST), frank thyes wrote: >> On Mon, 2011-01-17 at 10:53 -0500, Stephen Powell wrote: >>> Hello, list. I am trying to find a way to track boot messages. I know >>> about >>> things like >>> >>> dmesg|less >>> >>> and >>> >>> less /var/log/syslog >>> >>> but they don't cover everything. For example, /etc/init.d/console-setup >>> issues a message during boot that goes something like this: >>> >>> Setting up console font and keymap >>> >>> and this does not appear in either dmesg output or in /var/log/syslog. >>> Furthermore, it appears that the font change done by console-setup >>> kills my scrollback; so that Shift+PageUp and Shift+PageDown don't >>> work. That is, I can't scroll back prior to the font change. >>> >>> On some hardware platforms, such as s390, when running in a >>> virtual machine under z/VM, I can capture the console boot messages by >>> "spooling the virtual console". But on other platforms, such as >>> i386, I do not know of a way to capture all the boot messages. Does >>> anybody know of a way? (I am running Debian Squeeze.) >> >> /etc/default/bootlogd >> >> Set BOOTLOGD_ENABLE=YES and examine /var/log/boot or dmesg after >> rebooting. > > Hmm. Well, that helps. dmesg still does not contain the message from > console-setup, but /var/log/boot now does. I'm not sure if I needed > to rebuild my initial RAM file system image after making the above > change, but I did anyway for good measure. > > Still, I was hoping for all boot messages in a single file somewhere. > /var/log/boot starts with > > Setting parameters of disc: (none). > > This is about three lines prior to > > Checking root file system...fsck from util-linux-ng 2.17.2 > > All boot messages prior to this point are not included in /var/log/boot. > Is there any way to get *all* messages actually written to the console > during boot in a single file somewhere?
The closest to what you're looking for is to add "debug" to the boot command line to have your initrd's "/init" run with "set -x" and have its output saved to "/dev/.initramfs/initramfs.debug". -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/AANLkTinXCJycZrzPuFwpE-62=D-CTZQ0KoW=al7fd...@mail.gmail.com
