make sure your not trying to read the value into an unallocated pointer. I boneheadedly did this and was banging my head for 20 minutes over it. Dave On Mon, 2002-12-16 at 22:03, Anjaneyulu wrote: > Hi, > I would like to know the reason for system hang when I access a configuration register of a PCI Device using pci_read_config_dword(). > I am working on Linux 2.4.18. > > > Thanks in advance. > > Regards, > Anj > > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/