From owner-freebsd-usb@FreeBSD.ORG  Sat Mar 14 16:56:08 2009
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Date: Sat, 14 Mar 2009 17:26:26 +0100 (CET)
From: Alexander Best <alexbestms@math.uni-muenster.de>
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Subject: problem with usb printer
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hi there.

i'm having a problem with my usb printer. it's being recognised as ulpt0, but
i cannot print. i'm using the cups port for printing. i've set
hw.usb2.ulpt.debug=15 and this is the output:

uhub_reattach_port:348: port 2 reset failed, error=USB_ERR_TIMEOUT
uhub_reattach_port:434: device problem (USB_ERR_TIMEOUT), disabling port 2
ugen0.3: <Samsung Electronics Co., Ltd.> at usbus0
ulpt_probe:472:
ulpt_attach:498: sc=0xc6f6be80
ulpt0: <Samsung Electronics Co., Ltd. Samsung ML-1510_700, class 0/0, rev
1.10/1.00, addr 3> on usbus0
ulpt_attach:538: setting alternate config number: 0
ulpt0: using bi-directional mode
ulpt_reset:164:
ulpt_write_callback:203: state=0x0
ulpt_write_callback:203: state=0x1
ulpt_write_callback:203: state=0x1
ulpt_write_callback:203: state=0x2

after turning off the device i constantly get this output:

ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED
ulpt_status_callback:328: error=USB_ERR_STALLED

the cups daemon cannot be stopped (even with kill -9) and none of the lp* apps
work anymore. also i'm not able to attach any new usb devices. so a reboot is
the only solution that worked in order to get my computer fully operational
again.

i'm running:

FreeBSD moshnroll 8.0-CURRENT FreeBSD 8.0-CURRENT #6 r189789M: Sat Mar 14
13:37:49 UTC 2009     root@moshnroll:/usr/obj/usr/src/sys/ARUNDEL  i386

cheers.