WLAN: known issues and how to help - uptime test - new record!
Werner Almesberger
werner at openmoko.org
Wed Feb 11 16:47:16 CET 2009
Philip Rhoades wrote:
>> - just hope WLAN will stay up long enough for you to take dmesg before
>> another error pushes the first one out of the message buffer, or
>
>
> "WLAN will stay up long enough" ?
During that second session, after the first hang.
>> - before starting the test, set log_buf_len=2M in bootargs_base in
>> the u-boot environment, and then retrieve the kernel messages with
>> dmesg -s 2000000
>
>
> Sounds like the best course . . so the complete command would be?:
- Enter u-boot and do:
setenv bootargs_base ${bootargs_base} log_buf_len=2M
saveenv
- Reboot into Linux
- Check that log_buf_len has really been set:
cat /proc/cmdline
- Wait for WLAN to go down
- Connect and
dmesg -s 2000000
Thanks,
- Werner
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