Hi all I recently posted a message about the strange beavior in the subject.
The device is an USB1.1 and the kernel is 2.4.26. The PC mount an UHCI Intel, the host driver is usb-uhci. I send usb_set_interface and then and usb_bulk_msg(Ep2out) or an interrupt out one-shot on EP2out. Then with this sequence the usb_bulk_msg or the interrupt are ignored This is the log SET INTERFACE Jul 15 10:27:37 saturno last message repeated 923 times Jul 15 10:27:39 saturno last message repeated 104 times Jul 15 10:27:39 saturno kernel: usb-uhci.c: search_dev_ep: Jul 15 10:27:39 saturno kernel: usb-uhci.c: urb: cf72e18c Jul 15 10:27:39 saturno kernel: usb-uhci.c: urb: cf72e104 Jul 15 10:27:39 saturno kernel: usb-uhci.c: submit_urb: scheduling d024a874 Jul 15 10:27:39 saturno kernel: usb-uhci.c: uhci_submit_control start Jul 15 10:27:39 saturno kernel: usb-uhci.c: Allocated qh @ cc9ad400 Jul 15 10:27:39 saturno kernel: usb-uhci.c: uhci_submit_control end Jul 15 10:27:39 saturno kernel: usb-uhci.c: submit_urb: scheduled with ret: 0 Jul 15 10:27:39 saturno kernel: usb-uhci.c: interrupt Jul 15 10:27:39 saturno kernel: usb-uhci.c: process_transfer: len:8 status:38000007 mapped:0 toggle:0 Jul 15 10:27:39 saturno kernel: usb-uhci.c: process_transfer: len:0 status:190007ff mapped:0 toggle:1 Jul 15 10:27:39 saturno kernel: usb-uhci.c: uhci_clean_transfer: No more bulks for urb d024a874, qh cc9ad400, bqh 00000000, nqh 00000000 Jul 15 10:27:39 saturno kernel: usb-uhci.c: unlink qh cc9ad400, pqh cc9ad0c0, nxqh cc9ad080, to 0c9ad080 Jul 15 10:27:39 saturno kernel: usb-uhci.c: process_transfer: (end) urb d024a874, wanted len 0, len 0 status 0 err 0 Jul 15 10:27:39 saturno kernel: usb-uhci.c: dequeued urb: d024a874 Jul 15 10:27:40 saturno kernel: usb-uhci.c: interrupt INTERRUPT OUT Jul 15 10:28:02 saturno last message repeated 111 times Jul 15 10:28:02 saturno kernel: usb-uhci.c: search_dev_ep: Jul 15 10:28:02 saturno kernel: usb-uhci.c: urb: cf72e18c Jul 15 10:28:02 saturno kernel: usb-uhci.c: urb: cf72e104 Jul 15 10:28:02 saturno kernel: usb-uhci.c: submit_urb: scheduling d02784bc Jul 15 10:28:02 saturno kernel: usb-uhci.c: Rounded interval to 0, chain 0 Jul 15 10:28:02 saturno kernel: usb-uhci.c: submit_urb: scheduled with ret: 0 Jul 15 10:28:02 saturno kernel: usb-uhci.c: interrupt Jul 15 10:28:02 saturno kernel: usb-uhci.c: ONE-SHOT!! Jul 15 10:28:02 saturno kernel: usb-uhci.c: unlink_urb_async called d02784bc Jul 15 10:28:02 saturno kernel: usb-uhci.c: dequeued urb: d02784bc Jul 15 10:28:02 saturno kernel: usb-uhci.c: unlink td @ cc9ad440 Jul 15 10:28:02 saturno kernel: usb-uhci.c: unlink td @ cc9ad480 Jul 15 10:28:02 saturno kernel: usb-uhci.c: interrupt INTERRUPT OUT IGNORED SET INTERFACE Jul 15 10:28:19 saturno last message repeated 104 times Jul 15 10:28:19 saturno kernel: usb-uhci.c: search_dev_ep: Jul 15 10:28:19 saturno kernel: usb-uhci.c: urb: cf72e18c Jul 15 10:28:19 saturno kernel: usb-uhci.c: urb: cf72e104 Jul 15 10:28:19 saturno kernel: usb-uhci.c: submit_urb: scheduling d29e1984 Jul 15 10:28:19 saturno kernel: usb-uhci.c: uhci_submit_control start Jul 15 10:28:19 saturno kernel: usb-uhci.c: Allocated qh @ cc9ad400 Jul 15 10:28:19 saturno kernel: usb-uhci.c: uhci_submit_control end Jul 15 10:28:19 saturno kernel: usb-uhci.c: submit_urb: scheduled with ret: 0 Jul 15 10:28:19 saturno kernel: usb-uhci.c: interrupt Jul 15 10:28:19 saturno kernel: usb-uhci.c: process_transfer: len:8 status:38000007 mapped:0 toggle:0 Jul 15 10:28:19 saturno kernel: usb-uhci.c: process_transfer: len:0 status:190007ff mapped:0 toggle:1 Jul 15 10:28:19 saturno kernel: usb-uhci.c: uhci_clean_transfer: No more bulks for urb d29e1984, qh cc9ad400, bqh 00000000, nqh 00000000 Jul 15 10:28:19 saturno kernel: usb-uhci.c: unlink qh cc9ad400, pqh cc9ad0c0, nxqh cc9ad080, to 0c9ad080 Jul 15 10:28:19 saturno kernel: usb-uhci.c: process_transfer: (end) urb d29e1984, wanted len 0, len 0 status 0 err 0 Jul 15 10:28:19 saturno kernel: usb-uhci.c: dequeued urb: d29e1984 Jul 15 10:28:19 saturno kernel: usb-uhci.c: interrupt INTERRUPT OUT Jul 15 10:28:25 saturno last message repeated 107 times Jul 15 10:28:25 saturno kernel: usb-uhci.c: search_dev_ep: Jul 15 10:28:25 saturno kernel: usb-uhci.c: urb: cf72e18c Jul 15 10:28:25 saturno kernel: usb-uhci.c: urb: cf72e104 Jul 15 10:28:25 saturno kernel: usb-uhci.c: submit_urb: scheduling d2f77f5c Jul 15 10:28:25 saturno kernel: usb-uhci.c: Rounded interval to 0, chain 0 Jul 15 10:28:25 saturno kernel: usb-uhci.c: submit_urb: scheduled with ret: 0 Jul 15 10:28:25 saturno kernel: usb-uhci.c: interrupt Jul 15 10:28:25 saturno kernel: usb-uhci.c: ONE-SHOT!! Jul 15 10:28:25 saturno kernel: usb-uhci.c: unlink_urb_async called d2f77f5c Jul 15 10:28:25 saturno kernel: usb-uhci.c: dequeued urb: d2f77f5c ==> Jul 15 10:28:25 saturno kernel: usb-uhci.c: unlink td @ cc9ad440 ==> Jul 15 10:28:25 saturno kernel: usb-uhci.c: unlink td @ cc9ad480 Jul 15 10:28:25 saturno kernel: usb-uhci.c: interrupt INTERRUPT OUT IGNORED INTERRUPT OUT Jul 15 10:28:36 saturno last message repeated 157 times Jul 15 10:28:36 saturno kernel: usb-uhci.c: search_dev_ep: Jul 15 10:28:36 saturno kernel: usb-uhci.c: urb: cf72e18c Jul 15 10:28:36 saturno kernel: usb-uhci.c: urb: cf72e104 Jul 15 10:28:36 saturno kernel: usb-uhci.c: submit_urb: scheduling d02785cc Jul 15 10:28:36 saturno kernel: usb-uhci.c: Rounded interval to 0, chain 0 Jul 15 10:28:36 saturno kernel: usb-uhci.c: submit_urb: scheduled with ret: 0 Jul 15 10:28:36 saturno kernel: usb-uhci.c: interrupt Jul 15 10:28:36 saturno kernel: usb-uhci.c: ONE-SHOT!! Jul 15 10:28:36 saturno kernel: usb-uhci.c: unlink_urb_async called d02785cc Jul 15 10:28:36 saturno kernel: usb-uhci.c: dequeued urb: d02785cc Jul 15 10:28:36 saturno kernel: usb-uhci.c: interrupt INTERRUPT OUT OK The difference are marked with ==> Any idea? __________________________________________________________________ Tiscali ADSL Senza Canone, paga solo quello che consumi! Non perdere la promozione valida fino al 19 luglio. Per te gratis il modem in comodato e l'attivazione. In piu' navighi a soli 1,5 euro l'ora per i primi tre mesi. Cosa aspetti? Attivala subito! http://abbonati.tiscali.it/adsl/prodotti/640Kbps/ ------------------------------------------------------- This SF.Net email is sponsored by BEA Weblogic Workshop FREE Java Enterprise J2EE developer tools! 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