hi, are u using printk() for tracing the function calls. then it might happen that xterm is just not displaying the output. i'm not familiar with pcmcia, so please forgive me for any foolish comments. On 6/9/06, kaustav.majumdar@xxxxxxxxx <kaustav.majumdar@xxxxxxxxx> wrote:
Hi all, We are developing a device driver for a PCMCIA based USB Host Controller. We are facing an issue in the operation of the driver under X Windows. In the PCMCIA client driver, we register a platform device. Through this platform device, we are passing the resources to the Host Controller Driver. The HCD is using these resources for driving the Host Controller. The issue arises for the following situation under X Windows. 1. Insert a USB mass storage device 2. Mount the device. 3. While transfer is in progress, remove the PC card. In this situation, we have noted that the platform_device.dev.release function is not getting called. If we do not mount the device, then the release function is getting called. Can anyone please tell why this may be happening? When we operate from console, we are not facing the issue. In that case the release function is getting called properly.
ie, it gets called whether the device is mounted or not. right?
Then does the issue have anything to do with X Windows?
BTW, i didn't understand what u meant by operating from console. what are u operating. did u mean to say "when not running X server"? normally X server should in no way affect the functioning of a device driver. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
