docs/install/bbb_setup.html: more notes about ehci debug

1 files changed, 18 insertions, 0 deletions

diff --git a/docs/install/bbb_setup.html b/docs/install/bbb_setup.html
index dfd8d90b..4bef4411 100644
--- a/docs/install/bbb_setup.html
+++ b/docs/install/bbb_setup.html
@@ -352,6 +352,24 @@ from #coreboot
 <stefanct> tty0_: the coreboot config is clear to me... it fails to show up in lsusb already
 <tty0_> on BBB, unload all the modules, then modprobe g_dbgp
 <tty0_> ... and when i siad lsusb, you do that on the target system, not on BBB
+
+<tty0_> fchmmr, the kernel should be compiled with: CONFIG_EARLY_PRINTK_DBGP=y to output on EHCI debug: https://wiki.ubuntu.com/Kernel/Debugging/USBearlyprintk
+
+<tty0_> stefanct, carldani: Note that the script has small bug in the last for loop:  for dev in "$debug_dmesg_devs"; do ...
+<stefanct> tty0_: had ;)
+<stefanct> carldani: ok that's what i was expecting, thanks
+* ob-sed has quit (Ping timeout: 248 seconds)
+<tty0_> On the wiki there are links to two scripts, the updated one has bug
+<tty0_> $debug_dmesg_devs should not be quoted
+<tty0_> ... if there are multiple controllers with debug, $dev will be assgined <controller1 controller2> instead of iterating throug each of them
+<stefanct> i have seen your conversation with mtjm earlier
+<stefanct> that's the reason why i was working on usb debug today at all :)
+<stefanct> idwer: ping
+<carldani> tty0_: indeed, this was a bug.
+<stefanct> carldani: the most annoying thing about lsusb... the debug device is actually missing from lsusb -t as i have found out today
+<tty0_> It shows only ports that have something attached to them, because of that you have to go with usb stick through all the ports and run the script each time
+<stefanct> tty0_: lsusb without the -t shows the debug device... but doesnt print the port number
+
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