On Thu, Apr 07, 2016 at 03:04:55PM +1000, Brian Chadwick wrote: > On 06/04/16 19:53, Greg KH wrote: > > On Tue, Apr 05, 2016 at 06:42:51PM +1000, Brian Chadwick wrote: > > > SETUP: > > > > > > i7 16GB Computer. > > > > > > 1 x PCI-x USB3 adaptor card (i think uses xhci-hcd)04:00.0 USB controller: > > > Renesas Technology Corp. uPD720202 USB 3.0 Host Controller (rev 02) > > > Kernel driver in use: xhci_hcd > > > > > > 2 x USB3 to dual SATA HDD docks. uses JMicron JMS56x Series controllers, > > > uses uas.ko kernel module > > > Bus 004 Device 002: ID 152d:9561 JMicron Technology Corp. / JMicron USA > > > Technology Corp. > > > Bus 004 Device 003: ID 152d:9561 JMicron Technology Corp. / JMicron USA > > > Technology Corp. > > > > > > 3 x Western Digital 320GB 3.5" SATA drives > > > > > > USE: > > > > > > RAID 5 > > > > > > KERNEL: > > > 4.3.5 > > > > > > System works perfectly as expected. > > > > > > > > > Change to kernel 4.4.x or 4.5 and RAID 5 doesnt work. I am not sure whether > > > its actually RAID 5 at fault or if its the USB Attached SCSI driver uas.ko, > > > or maybe the host driver xhci-hcd. > > Can you run 'git bisect' to try to track down the offending commit? > > > > thanks, > > > > greg k-h > > Hi, I am unfamiliar with that command, when should it be run, and in what > directory? Use it on the Linux kernel source git tree. 'man git-bisect' will describe all about how to use it. If you have specific questions about it after reading that, please let us know. thanks, greg k-h -- 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
