On Thu, 23 Jan 2014, Milan Svoboda wrote: > Whoaa!! > > I recompiled the master again, but now with a little bit modified configuration, mainly I disabled the CONFIG_USB_STORAGE_CYPRESS_ATACB and > it works like a charm! Disk is properly and immediately detected and works! I don't see how that could have made any difference. The Cypress-ATACB driver works just like the default driver, except for two commands (ATA(12) and ATA(16)) neither of which appeared in the usbmon trace. Your new config enables CONFIG_USB_STORAGE_DEBUG. More likely that is the reason for the improvement. Try taking out that one setting (don't change anything else) and see what happens. > I also tried to boot to standard kernel and disable loading ums_cypress by putting it on the blacklist but it didn't worked out. The > disk wasn't detected at all (no message about plug-in event nor report about disk size). > > I strongly belive that it is Linux kernel problem, not the disk's (apart it might need some quirks). If I remember correctly there hasn't > been the ums_cypress from the begining, right? So, perhaps the time when it was added corresponds with the time when it > worked for me last time. What do you mean by "from the beginning"? The ums-cypress driver was added in 2008. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
