Hi, Alan & Co. On May 01 2009, Alan Stern wrote: > I've got a USB disk drive and cable that do not work on my home PC, > although they do work on my office PC. If I use a different cable then > the drive does work on the home PC. If I use the same cable but > substitute a USB stick for the drive, again it works. So which > component is bad: the home PC, the cable, or the drive? Yes, right. Resuming our earlier discussion, I got another case of weird USB messages here with kernel 2.6.30-rc5 (sorry, I have not yet had time to use anything newer). My father has a USB (1.1, I would say, which matches what the logs say) stick/pen drive that, when I connect to my ECHI controller on my machine with an ICH5 chipset, I get: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [ 2285.628018] usb 4-2: new full speed USB device using uhci_hcd and address 2 [ 2285.784924] usb 4-2: New USB device found, idVendor=067b, idProduct=2315 [ 2285.784932] usb 4-2: New USB device strings: Mfr=1, Product=3, SerialNumber=0 [ 2285.784936] usb 4-2: Product: USB Embedded Hub [ 2285.784939] usb 4-2: Manufacturer: Leading Driver Co.,LTD. [ 2285.785039] PM: Adding info for usb:4-2 [ 2285.785084] usb 4-2: configuration #1 chosen from 1 choice [ 2285.787985] PM: Adding info for usb:4-2:1.0 [ 2285.788046] hub 4-2:1.0: USB hub found [ 2285.789956] hub 4-2:1.0: 2 ports detected [ 2285.794051] PM: Adding info for No Bus:usbdev4.2_ep81 [ 2285.794137] PM: Adding info for No Bus:usbdev4.2_ep00 [ 2286.064854] usb 4-2.1: new full speed USB device using uhci_hcd and address 3 [ 2286.184819] usb 4-2.1: New USB device found, idVendor=067b, idProduct=2317 [ 2286.184825] usb 4-2.1: New USB device strings: Mfr=1, Product=4, SerialNumber=0 [ 2286.184830] usb 4-2.1: Product: USB Mass Storage Device [ 2286.184833] usb 4-2.1: Manufacturer: Leading Driver Co.,LTD. [ 2286.184926] PM: Adding info for usb:4-2.1 [ 2286.184974] usb 4-2.1: configuration #1 chosen from 1 choice [ 2286.187878] PM: Adding info for usb:4-2.1:1.0 [ 2286.187994] PM: Adding info for No Bus:usbdev4.3_ep01 [ 2286.188068] PM: Adding info for No Bus:usbdev4.3_ep82 [ 2286.188133] PM: Adding info for No Bus:usbdev4.3_ep00 [ 2286.239239] SCSI subsystem initialized [ 2286.253935] Initializing USB Mass Storage driver... [ 2286.254816] usb 4-2.2: new full speed USB device using uhci_hcd and address 4 [ 2286.255696] scsi0 : SCSI emulation for USB Mass Storage devices [ 2286.255763] PM: Adding info for scsi:host0 [ 2286.255830] PM: Adding info for No Bus:host0 [ 2286.256419] usbcore: registered new interface driver usb-storage [ 2286.256426] USB Mass Storage support registered. [ 2286.257378] usb-storage: device found at 3 [ 2286.257382] usb-storage: waiting for device to settle before scanning [ 2286.372799] usb 4-2.2: New USB device found, idVendor=067b, idProduct=2316 [ 2286.372807] usb 4-2.2: New USB device strings: Mfr=1, Product=5, SerialNumber=0 [ 2286.372811] usb 4-2.2: Product: USB Security Device [ 2286.372814] usb 4-2.2: Manufacturer: Leading Driver Co.,LTD. [ 2286.372906] PM: Adding info for usb:4-2.2 [ 2286.372957] usb 4-2.2: configuration #1 chosen from 1 choice [ 2286.375825] PM: Adding info for usb:4-2.2:1.0 [ 2286.375951] PM: Adding info for No Bus:usbdev4.4_ep00 [ 2291.258587] usb-storage: device scan complete [ 2291.261567] scsi 0:0:0:0: Direct-Access Prolific USB Flash Disk 1.00 PQ: 0 ANSI: 0 CCS [ 2291.262023] PM: Adding info for scsi:target0:0:0 [ 2291.262497] PM: Adding info for scsi:0:0:0:0 [ 2291.262711] PM: Adding info for No Bus:0:0:0:0 [ 2291.273924] Driver 'sd' needs updating - please use bus_type methods [ 2291.274557] PM: Adding info for No Bus:0:0:0:0 [ 2291.280525] sd 0:0:0:0: [sda] 256000 512-byte hardware sectors: (131 MB/125 MiB) [ 2291.283532] sd 0:0:0:0: [sda] Write Protect is off [ 2291.283539] sd 0:0:0:0: [sda] Mode Sense: 23 00 00 00 [ 2291.283543] sd 0:0:0:0: [sda] Assuming drive cache: write through [ 2291.283603] PM: Adding info for No Bus:sda [ 2291.290517] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2291.290523] : Sense Key : 0x0 [current] [ 2291.290529] : ASC=0x0 ASCQ=0x0 [ 2291.298513] sd 0:0:0:0: [sda] Assuming drive cache: write through [ 2291.298520] sda: sda1 [ 2291.304573] PM: Adding info for No Bus:sda1 [ 2291.309522] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2291.309527] : Sense Key : 0x0 [current] [ 2291.309533] : ASC=0x0 ASCQ=0x0 [ 2291.309625] PM: Adding info for No Bus:8:0 [ 2291.309651] sd 0:0:0:0: [sda] Attached SCSI removable disk [ 2291.330510] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2291.330518] : Sense Key : 0x0 [current] [ 2291.330524] : ASC=0x0 ASCQ=0x0 [ 2291.634434] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2291.634440] : Sense Key : 0x0 [current] [ 2291.634446] : ASC=0x0 ASCQ=0x0 [ 2291.703422] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2291.703430] : Sense Key : 0x0 [current] [ 2291.703436] : ASC=0x0 ASCQ=0x0 [ 2291.725411] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2291.725415] : Sense Key : 0x0 [current] [ 2291.725420] : ASC=0x0 ASCQ=0x0 [ 2291.735409] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2291.735417] : Sense Key : 0x0 [current] [ 2291.735423] : ASC=0x0 ASCQ=0x0 [ 2292.036329] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2292.036336] : Sense Key : 0x0 [current] [ 2292.036342] : ASC=0x0 ASCQ=0x0 [ 2292.046354] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2292.046361] : Sense Key : 0x0 [current] [ 2292.046367] : ASC=0x0 ASCQ=0x0 [ 2292.348248] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2292.348255] : Sense Key : 0x0 [current] [ 2292.348261] : ASC=0x0 ASCQ=0x0 [ 2292.414240] sd 0:0:0:0: ioctl_internal_command return code = 8000002 [ 2292.414246] : Sense Key : 0x0 [current] [ 2292.414252] : ASC=0x0 ASCQ=0x0 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - In particular, those ioctl_internal_command return code messages seem strange, regarding other USB devices that I have. Are they being shown because I have some debugging information in my kernel or are they abnormal? Thanks for any help, -- Rogério Brito : rbrito@{mackenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8 http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org -- 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