On Thu, Mar 09, 2023 at 10:42:41AM +0100, Sylvain Menu wrote: > Hello, > > I am writing to report an issue on a nfs mount that disappears due to > an inode revalide failure (already sent in January but probably banned > with html format...). > This very old commit > (https://github.com/torvalds/linux/commit/cc89684c9a265828ce061037f1f79f4a68ccd3f7) > exactly show the problem I have and this old resolved issue > (https://bugzilla.kernel.org/show_bug.cgi?id=117651) is probably > failing again today > > To sum up, I have a NFS mount inside another NFS mount (for example: > /opt/nfs/mount1 & /opt/nfs/mount1/mount2). > If I kill a task trying to get a file descriptor on > /opt/nfs/mount1/mount2 then it will be unmounted. My simple test code > to reproduce very easily: > > int main(int argc, char *argv[]) { > while (1) { > close(open(argv[1], O_RDONLY)); > } > } > > In logs, I have: "nfs_revalidate_inode: (0:62/845965) getattr failed, > error=-512" > > Tested on 5.19 and 6.1 kernel So is this a regression or something that has always been present? thanks, greg k-h