Hi Greg, Ya my device did pass the USB Functional tests. The following is the message i get when i do dmesg for 2.4.20-8: scsi0 : SCSI emulation for USB Mass Storage devices WARNING: USB Mass Storage data integrity not assured USB Mass Storage device found at 4 I checked it on 2.6 kernel, its getting detected fine with out any additional modprobe. Kindly suggest. Thanks and regards, Adi On Fri, 2005-03-18 at 21:46, Greg KH wrote: > On Fri, Mar 18, 2005 at 05:11:43PM +0530, Praveen wrote: > > Hi, > > I am a newbie working for a project involving Mass Storage Driver. > > I am seriously struck up at an issue and thought that u can really > > suggest me regarding this. > > My problem is that my mass storage device is not detected at first time. > > But when i rmmod usb-storage and do modprobe usb-storage again then its > > happening. can you please suggest me why is this happening and how can i > > avoid this? > > Does your usb device pass the USB functional tests as provided at > usb.org? If not, I'd blame your hardware. > > If so, what kernel version are you using? And what is the messages that > happen when you plug the device in the first time? > > thanks, > > greg k-h > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/