hi all: I have a USB hard disk and when I play specific file. it will show below message ( I purpose enable usb/storage/transport.c debug message about urb debug) what makes me confused are 1. Does " Unhandled sense code" mean the " SCSI Request Sense" command? 2. if #1 is correct, there should be any error handling for not keep sending following commands. Why usb driver keep clear this halt enpoint? isn't there any timeout mechanism no matter in scsi layer or usb layer? appreciate your help [22:06:48]clearing endpoint halt for pipe 0xc0008280 [22:06:48]sd 0:0:0:0: [sda] Unhandled sense code [22:06:48]sd 0:0:0:0: [sda] Result: hostbyte=0x10 driverbyte=0x08 [22:06:48]sd 0:0:0:0: [sda] Sense Key : 0x3 [current] [22:06:48]sd 0:0:0:0: [sda] ASC=0x11 ASCQ=0x0 [22:06:48]sd 0:0:0:0: [sda] CDB: cdb[0]=0x28: 28 00 00 24 42 22 00 00 f0 00 [22:06:48]end_request: critical target error, dev sda, sector 2376226 [22:06:48]-- short read transfer [22:06:48]clearing endpoint halt for pipe 0xc0008280 [22:06:48]-- short read transfer [22:06:48]clearing endpoint halt for pipe 0xc0008280 [22:06:48]-- short read transfer [22:06:48]clearing endpoint halt for pipe 0xc0008280 [22:06:48]-- short read transfer [22:06:48]clearing endpoint halt for pipe 0xc0008280 [22:06:48]-- short read transfer [22:06:48]clearing endpoint halt for pipe 0xc0008280 [22:06:48]-- short read transfer [22:06:48]clearing endpoint halt for pipe 0xc0008280 [22:06:48]-- short read transfer [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 [22:06:49]-- short read transfer [22:06:49]clearing endpoint halt for pipe 0xc0008280 .................. -- 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
