Not sure if its any help, but I too experience this on my P4 +Nova-T system.
I find waiting about 3 minutes after running make insmod before using the card leaves my machine in sane state.. Using immediately after loading the modules nearly always causes a hardhang. I have all the debug options enabled in the kernel, and even running everything outside X from a tty leaves the machine without any debug information.. just a hang.. I need to brush up on my morse code to findout what the lock lights are saying.. the sys-rq keys do, even though the machine does not respond to anything else, let me unmount the filesystem and reboot the machine.. which I find odd since nothing is displayed on the console past: dvbmachine:~# dvbtune -f blargh <HANG> > Peter Martin wrote: > > Hi, > > > > I am experiencing a hardware lock up problem when using the current CVS > > version of the DVB drivers with a Haupauge nova-t DVB card. > > > > I am using the following sequence: > > > > 1. Power the computer up and boot into Linux > > 2. cd DVB/driver > > 3. make insmod > > 4 run dvbtune. > > > > The computer then locks up. It appears that some kind of reset has occured, > > since the keyboard lights flash. I have no mouse or keyboard response. If I > > then reset the computer and repeat the above steps, dvbtune runs > > correctly.This is reasonably repeatable - it heppens most times I start the > > computer from cold. > > > > Config: > > Mandrake 9.0 > > Kernel 2.4.19-16mdk > > DVB taken from CVS on 3/Dec/2002 > > > > The dvb card is a haupauge nova-t budget card. The kernel reports it is a > > (TT-Budget/WinTV-NOVA-T PCI) > > The front end is reported as : Grundig 29504-401. > > > > Can anyone give me some pointers to help track this down? I am guessing that > > there is some card initialisation missing from the driver. > > Please enably SysRequests in your kernel config, switch to a text > console, log in, enter 'dmesg -n 8', test your config by pressing > alt-sysrq-s (now you should see a 'Emergency Sync' on your console and > in your kernel log). > > Now lock up your machine and press alt-sysrq-p. Write down the EIP > address and the Call Trace addresses. Then reboot your box, load all > modules as before. > > Call 'cat /proc/ksyms | sort | less' and search the EIP and Call Trace > addresses between two of the listed kernel symbols. Please tell me then > in which function the kernel hangs and how he was going there. > > When you have a second computer you can do this much more comfortable by > using the serial kernel console and ksymoops to resolve the adresses. > > Holger > > > > -- > Info: > To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe linux-dvb" as >subject. > > -- Info: To unsubscribe send a mail to [EMAIL PROTECTED] with "unsubscribe linux-dvb" as subject.
