On Wed, Dec 22, 2004 at 01:57:13AM +0100, Marco d'Itri wrote: > reassign 286756 kernel-source-2.6.9 > > On Dec 22, "John R. McPherson" <[EMAIL PROTECTED]> wrote: > > > Debian sarge/x86, custom kernel 2.6.9. > > > > I built a kernel and didn't set CONFIG_TMPFS, and after installing the > > kernel and rebooting, udev mounts an unusable tmpfs over /dev, so > > no device files are accessible. The mount doesn't fail, but the > This is a known kernel bug (mount is supposed to fail), but I tought > that it had been fixed in 2.6.8 (2.6.9?). > I'm reassigning this bug to the kernel package. > > (I also accept suggestions for a better test for tmpfs presence...)
If /proc/config.gz exists, you can 'zgrep TMPFS /proc/config.gz' and see if it is ="y"/"m" vs "n". That won't help for kernels that don't have CONFIG_IKCONFIG_PROC set, so don't have a /proc/config.gz. But if the file exists, you can tell whether or not the kernel has tmpfs support. John McPherson
