On Thu, 16 Sep 2004, Nix N. Nix wrote: > I have applied the patch, and now I am able to transfer files as large > as 1.4GB to the drive. Nonetheless, messages such as the ones at the > bottom of this mail are still being produced in the syslog. I find the > fact that the messages are mangled - in that the beginning of the > message is truncated off - quite disturbing.
The messages in your log were too badly truncated to be of any help. But you shouldn't be disturbed by this; it's perfectly normal. Especially when debugging high-speed USB connections, the kernel writes log messages to its internal buffer very rapidly. When the buffer gets full it simply wraps around and overwrites the oldest data. The logging daemons just aren't fast enough to keep up with all the messages, so they end up with gaps in their coverage. If you use dmesg to read the kernel's internal buffer, you'll get a consistent snapshot with no gaps and no data missing. The disadvantage, of course, is that dmesg is incapable of reporting old information that has been written over becaue of buffer wraparound. You can ameliorate this to some degree by increasing the size of the log buffer -- there's an option for it in the kernel configuration (Kernel log buffer size under General setup). Try using dmesg to view the debugging log. > I just finished rebooting and, unfortunately the kernel panic-ed much as > it did before when the system was going down. > > Conclusion: Transfers now seem to work, but the kernel still panics. That's not much help to anybody. For one thing it's unclear: Did the kernel panic just as you finished rebooting or when you tried to shut down? For that matter, how did the kernel panic before when the system was going down? You also didn't provide any information that would help anyone trying to figure out what the problem is. Not even a copy of the panic from your log! How do you expect to get any assistance when all you tell people is that there's something wrong and the kernel panics? Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170 Project Admins to receive an Apple iPod Mini FREE for your judgement on who ports your project to Linux PPC the best. Sponsored by IBM. Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
