Re: USB scanning -> hang or reset

[Thomas Klausner <tk%giga.or.at@localhost>]

On Sat, Sep 01, 2012 at 02:38:48PM +0200, Thomas Klausner wrote:
> I've just tried scanning on 6.99.10/amd64 with an Epson Perfection
> 2480 Photo, hardware I've been using successfully with NetBSD for a
> long time.
> 
> ugen0 at uhub3 port 5
> ugen0: EPSON EPSON Scanner, rev 2.00/50.63, addr 3
> 
> During the first try when doing a preview scan, the machine hung; I
> could only reset.
> 
> During the second try, the first preview scan worked, but during the
> second preview scan, the machine reset. During reboot, savecore
> reported:
> 
> savecore: reboot after panic: G: SPL NOT LOWERED ON TRAP EWXAIRTN I6N G0:  
> SPL NOT LOWERED ON TRAP EXIT 6 0 WARNING: SPL NOT vLOnW_ErReEaDd dOiNr (TRA

Update: This is fixed for me after

Module Name:    src
Committed By:   christos
Date:           Tue Jan 15 23:57:13 UTC 2013

Modified Files:
        src/sys/dev/usb: usbdi.c

Log Message:
Don't do the xfer once, wait till it is done. I did not find this, someone
else did. Fixes slow devices such as scanners.


To generate a diff of this commit:
cvs rdiff -u -r1.142 -r1.143 src/sys/dev/usb/usbdi.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


 Thomas