2008/12/9 luca pisani <[EMAIL PROTECTED]> > Hello.. > I'm trying to change u-boot options for boot a larger kernel ( > http://people.openmoko.org/sean_mcneil/uImage-android) > I'm doing (with neo in "flashing mode" Power+Aux): > > *bash-3.1$ su - > Password: > [EMAIL PROTECTED]:~# dmesg | tail > usbcore: registered new interface driver cdc_acm > drivers/usb/class/cdc-acm.c: v0.25:USB Abstract Control Model driver for > USB modems and ISDN adapters > usb 3-1: new full speed USB device using uhci_hcd and address 4 > usb 3-1: configuration #1 chosen from 2 choices > drivers/usb/class/cdc-acm.c: This device cannot do calls on its own. It is > no modem. > cdc_acm 3-1:1.0: ttyACM0: USB ACM device > [EMAIL PROTECTED]:~# cu -l /dev/ttyACM0 > cu: creat (/var/lock/TMP0000000e56): Permission denied > cu: /dev/ttyACM0: Line in use > [EMAIL PROTECTED]:~# l /dev/ttyACM0 > crw-rw---- 1 root uucp 166, 0 2008-12-09 00:54 /dev/ttyACM0 > [EMAIL PROTECTED]:~# chown uucp.uucp /dev/ttyACM0 > [EMAIL PROTECTED]:~# l /dev/ttyACM0* > * crw-rw---- 1 uucp uucp 166, 0 2008-12-09 00:54 /dev/ttyACM0 > [EMAIL PROTECTED]:~# cu -l /dev/ttyACM0 > cu: creat (/var/lock/TMP0000000e75): Permission denied > cu: /dev/ttyACM0: Line in use > > *I was able to connect to u-boot in the past, I'm wondering what's > happening now? >
Who is using the the line? Try "fuser */dev/ttyACM0". Maybe a getty started from inittab, or udev thinks it must do something. And then, there are other ways to modify the uboot environment while the FR is booted. *
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