On Sun, 24 May 2009, [utf-8] Rogério Brito wrote: > 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: > [ 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 ... > 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? It is abnormal, but I can't tell what the reason is without more information. You should try using usbmon (see Documentation/usb/usbmon.txt) to trace these events. Alan Stern -- 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