Although that's an awesome trick, his laptop dosn't have a serial port (I checked). Anyone putting a number of machines into a datacenter environment however should keep this in mind. It can save you quite a boatload of problems. -porkchop
On 11/11/07 22:16 -0500, Jeremy Bongio wrote: > You could connect a second computer with a serial port cable and null > modem adapter and have all console output go through the serial port > to the second computer. This would allow any kernel panic messages to > be printed to the second computer. > > First, make sure you have support built into your kernel for the > serial port (you probably do). > > Second, add a line like this to your kernel boot line (in grub): > console=ttyS0,115200 > > Third, run `minicom` on the second computer to connect to the first > through the serial port. > > I haven't done this in a long time though, and I left most of the details out. > > This looks like a great document on the details: > http://tldp.org/HOWTO/Remote-Serial-Console-HOWTO/ > > -Jeremy Bongio > > On Nov 11, 2007 5:44 PM, Porkchop <[EMAIL PROTECTED]> wrote: > > I'd run the machine without X, and with console blanking disabled. > > I'm not sure how to get to a console in ubuntu ::ducks:: but console > > blanking can be disabled with "setterm -blank 0". There are other > > setterm options you may want to set too, in the same vain is -powersave > > and -powerdown. > > Then see if you can cause a panic and with any luck, the culprit will be > > staring you in the face. > > > > Keep in mind, I'm a bit of a dinosour when it comes to this stuff. I fix > > problems like people would in the mid-90s. There may be a magical dump > > setting in ubuntu somewhere that somebody like sean would know about... > > -porkchop > > > > > > On 11/11/07 17:32 -0500, Ed Nisley wrote: > > > So our Christmas cactus is actually pooting out flowers this > > > year and I thought it'd be neat to do a time-lapse video > > > showing a blossom opening up. Lashed up a Logitech Quickcam > > > to the Dell E1405 laptop (Kubuntu 7.10 & Win XP MCE) and > > > started looking for a Linux time-lapse program. > > > > > > I found Videodog, a command-line V4L-compatible utility to > > > take single images, and Transcode, which can stitch JPGs > > > into an MPEG-4 AVI. Works OK, although Videodog is what > > > might be called a mature program and is rather thin on > > > creature comforts. It would be -really- nice to find a > > > program that did automatic exposure settings... > > > > > > The real problem is that videodog (or the underlying V4L or > > > USB or something) rather frequently crashes the system > > > hard: everything's dead except for the scroll-lock and > > > num-lock LEDs, which are blinking slowly and steadily. > > > Keyboard's dead, can't ssh in to restart the box, the only > > > way out is hold the power button down to force it off. > > > > > > Drat! > > > > > > The screen is either blank (due to the backlight powering > > > off before the crash as it's supposed to do) or simply > > > frozen with a dead cursor (if the screensaver / power off > > > hasn't kicked in yet). No debugging info to be seen. > > > > > > Mr Google sez the LEDs are the visible symptom of a kernel > > > panic, but isn't helpful on What To Do Afterwards. > > > > > > Fairly obviously, I'm nowhere near good enough to debug this > > > stuff on my own, but I'd like to pass some evidence to > > > somebody who is, in the hope of getting a fix. > > > > > > How does one get evidence out of a hard crash and who's the > > > right person / group to debug something like that? > > > > > > Alternatively, is there a better / less obsolete / more > > > stable time-lapse video capture program that I simply > > > haven't been able to find? > > > > > > Thanks... > > > > > > -- > > > Ed > > > _______________________________________________ > > > Mid-Hudson Valley Linux Users Group http://mhvlug.org > > > http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug > > > Upcoming Meetings (6pm - 8pm) MHVLS Auditorium > > > Oct 3 - Security and Privacy > > > Nov 7 - Django Python Application Framework > > _______________________________________________ > > Mid-Hudson Valley Linux Users Group http://mhvlug.org > > http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug > > Upcoming Meetings (6pm - 8pm) MHVLS Auditorium > > Oct 3 - Security and Privacy > > Nov 7 - Django Python Application Framework > > > _______________________________________________ > Mid-Hudson Valley Linux Users Group http://mhvlug.org > > http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug > Upcoming Meetings (6pm - 8pm) MHVLS Auditorium > > Oct 3 - Security and Privacy > Nov 7 - Django Python Application Framework _______________________________________________ Mid-Hudson Valley Linux Users Group http://mhvlug.org http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug Upcoming Meetings (6pm - 8pm) MHVLS Auditorium Oct 3 - Security and Privacy Nov 7 - Django Python Application Framework
