Am Donnerstag, 11. März 2010 16:27:22 schrieb Alan Stern: > I guess the next step is to add a new printk at the end of > mon_text_get_data(): > > if (len == 18) printk(KERN_INFO "data %x %x %x %x\n", > src[0], src[2] & 0xf, src[12], src[13]); > > This will also tell us if len is somehow getting changed. Mar 11 23:22:38 vanamonde kernel: usb-storage: Issuing auto-REQUEST_SENSE Mar 11 23:22:38 vanamonde kernel: usb_stor_invoke_transport - sglist ffff8800b8c65dc8 sense buffer ffff880135c29c40 sense sgl ffff8800b8c65dc8 sg_virt ffff880135c29c40 page link ffffea00043c28fa dmaaddr (null) Mar 11 23:22:38 vanamonde kernel: usb-storage: Bulk Command S 0x43425355 T 0x88 L 18 F 128 Trg 0 LUN 0 CL 6 Mar 11 23:22:38 vanamonde kernel: usb-storage: usb_stor_bulk_transfer_buf: xfer 31 bytes Mar 11 23:22:38 vanamonde kernel: mon_text_get_data: num_sgs == 0: src ffff8800aced0000 Mar 11 23:22:38 vanamonde kernel: usb-storage: Status code 0; transferred 31/31 Mar 11 23:22:38 vanamonde kernel: usb-storage: -- transfer complete Mar 11 23:22:38 vanamonde kernel: usb-storage: Bulk command transfer result=0 Mar 11 23:22:38 vanamonde kernel: usb-storage: usb_stor_bulk_transfer_sglist: xfer 18 bytes, 1 entries Mar 11 23:22:38 vanamonde kernel: mon_text_get_data: num_sgs == 1: src ffff880135c29c40, length 18, scatterlist at ffff8800b8c65dc8, page ffffea00043c28f8 Mar 11 23:22:38 vanamonde kernel: data 0 0 0 0 Mar 11 23:22:38 vanamonde kernel: usb-storage: Status code 0; transferred 18/18 Mar 11 23:22:38 vanamonde kernel: usb-storage: -- transfer complete I can't explain that. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
