Bug#704242: Driver for PL-2303 HX not working

[Karsten Malcher <debian@dct.mine.nu>]

Am 18.04.2013 12:56, schrieb Johan Hovold:
> Can you generate a log where bytes are actually lost? Nothing seemed to
> get lost in the previous log you posted.

This was a log with lost data.
The logs seems to make politics. ;-)

> > How can i enable the debugging in kernel 3.8.5?
> Make sure debugfs is mounted:
>
> 	mount -t debugfs none /sys/kernel/debug
>
> and then enable debugging:
>
> 	echo "module usbserial +p">/sys/kernel/debug/dynamic_debug/control
> 	echo "module pl2303 +p">/sys/kernel/debug/dynamic_debug/control
>
> Johan

Sorry - this does not work for me?

root@PC# mount -t debugfs none /sys/kernel/debug

root@PC# mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,relatime,size=10240k,nr_inodes=1014924,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=819796k,mode=755)
/dev/disk/by-uuid/5166cbb1-8234-4127-bb0b-bbfda1658b68 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /run/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=1679740k)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
none on /sys/kernel/debug type debugfs (rw,relatime)

root@PC# echo "module usbserial +p" >/sys/kernel/debug/dynamic_debug/control
bash: /sys/kernel/debug/dynamic_debug/control: Datei oder Verzeichnis nicht gefunden

root@PC# ls -l /sys/kernel/debug
insgesamt 0
drwx------ 14 root root 0 Apr 19 10:27 .
drwxr-xr-x  6 root root 0 Apr 19 10:27 ..
drwxr-xr-x  2 root root 0 Apr 19 10:27 acpi
drwxr-xr-x 17 root root 0 Apr 19 10:27 bdi
drwxr-xr-x  2 root root 0 Apr 19 10:27 extfrag
-r--r--r--  1 root root 0 Apr 19 10:27 gpio
drwxr-xr-x  4 root root 0 Apr 19 10:27 hid
drwxr-xr-x  2 root root 0 Apr 19 10:27 kprobes
drwxr-xr-x  2 root root 0 Apr 19 10:27 kvm
drwxr-xr-x  2 root root 0 Apr 19 10:27 mce
drwxr-xr-x  2 root root 0 Apr 19 10:27 regmap
drwxr-xr-x  3 root root 0 Apr 19 10:27 regulator
-rw-r--r--  1 root root 0 Apr 19 10:27 sched_features
-r--r--r--  1 root root 0 Apr 19 10:27 suspend_stats
drwxr-xr-x  5 root root 0 Apr 19 10:27 tracing
drwxr-xr-x  2 root root 0 Apr 19 10:27 usb
-r--r--r--  1 root root 0 Apr 19 10:27 wakeup_sources
drwxr-xr-x  2 root root 0 Apr 19 10:27 x86

Karsten