Hi Rumen,

the error message is actually expected in this case. Since the VFS in this example is static (i.e. immutable), fs_query fails to set up a watch handler. However, it still outputs the directory listing correctly. If you change the '<vfs/>' into '<vfs><ram/></vfs>' to make the VFS mutable, the error message will disappear.

Cheers
Johannes


On 09/08/2024 15:20, Rumen Mitov wrote:
Hello,

I was following this article on Genode's VFS 
(http://genodians.org/m-stein/2021-06-21-vfs-1), but I cannot get the first 
example run script to run. I get the following runtime error, on which I could not 
find any information online: [init -> fs_query] Error: failed to watch '/'.

I have attached the run script below for convenience; the platform I ran it on 
was x86 KERNEL=linux BOARD=linux. Please note that the build phase does not 
output any errors.

Any help and tips will be greatly appreciated!

Sincerely,
Rumen





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