On Tue, Oct 16, 2007 at 8:42 PM, Xiaofan Chen <[EMAIL PROTECTED]> wrote:
> > In the file "ugen.c" in the function "ugen_open_pipe_read()" you will find
> > a "case UE_INTERRUPT:". Some lines further down you will find:
> >
> > /* first transfer clears stall */
> > sce->read_stall = 1;
> >
> > This you can set to "0". Then recompile and install the "ugen" module
> and/or
> > kernel.
> >
> > Does your USB hardware work now ?
> >
>
> Yes with the changes, PICkit 2 is happy again under Linux.
>
> ===[mcuee] ~/Desktop/build/mypk2 # sudo python testpk2.py
> set Configuration 1
> claim Interface 0
> Turing power on by USB interrupt write
> Sending version command by USB interrupt write
> Getting version command by USB interrupt read
> (2, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
>
> Thanks a lot.
Sorry now I am facing problems again with the 7.0-RELEASE
and the HPS USB stack (I am not able to get the stock
kernel to work with interrupt read).
$ uname -a
FreeBSD freebsd7.MSHOME.net 7.0-RELEASE FreeBSD 7.0-RELEASE #1: Sun
Mar 30 16:29:52 SGT 2008
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/custom i386
[EMAIL PROTECTED] ~/Desktop/build/pyusb]$ python testpk2.py
set Configuration 1
claim Interface 0
Turing power on by USB interrupt write
Sending version command by USB interrupt write
Getting version command by USB interrupt write
(2, 30, 1, 44, 172, 167, 11, 189, 209, 147, 131, 98, 33, 10, 112, 128,
236, 48, 9, 38, 142, 188, 38, 49, 114, 75, 208, 84, 176, 170, 59, 148,
151, 97, 198, 145, 34, 12, 32, 71, 217, 74, 50, 92, 115, 100, 89, 130,
29, 176, 62, 56, 37, 6, 16, 102, 243, 53, 201, 160, 0, 2, 140, 4)
This works. However running pk2 and pk2cmd will result the system to
crash immediately.
[EMAIL PROTECTED] /var/crash]# ls -la
total 508352
drwxr-x--- 2 root wheel 512 Apr 24 22:07 .
drwxr-xr-x 25 root wheel 512 Apr 25 06:07 ..
-rw-r--r-- 1 root wheel 2 Apr 24 22:07 bounds
-rw------- 1 root wheel 444 Mar 30 16:19 info.0
-rw------- 1 root wheel 445 Mar 30 16:52 info.1
-rw------- 1 root wheel 446 Apr 24 21:58 info.2
-rw------- 1 root wheel 446 Apr 24 22:07 info.3
-rw-r--r-- 1 root wheel 5 Feb 25 01:53 minfree
-rw------- 1 root wheel 61952000 Mar 30 16:19 vmcore.0
-rw------- 1 root wheel 175443968 Mar 30 16:52 vmcore.1
-rw------- 1 root wheel 168951808 Apr 24 21:59 vmcore.2
-rw------- 1 root wheel 163037184 Apr 24 22:07 vmcore.3
[EMAIL PROTECTED] /var/crash]# cat info.3
Dump header from device /dev/ad4s4b
Architecture: i386
Architecture Version: 2
Dump Length: 163037184B (155 MB)
Blocksize: 512
Dumptime: Thu Apr 24 22:04:54 2008
Hostname: freebsd7.MSHOME.net
Magic: FreeBSD Kernel Dump
Version String: FreeBSD 7.0-RELEASE #1: Sun Mar 30 16:29:52 SGT 2008
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/custom
Panic String: page fault
Dump Parity: 2907024719
Bounds: 3
Dump Status: good
All the 4 crashes are caused by this problem.
It used to run fine with the 7.0-Beta1/2/3 kernel and the HPS stack.
http://mcuee.blogspot.com/2007/11/pk2cmd-ported-to-linux.html
How should I attack this problem?
Xiaofan
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