Re: nfs-root: destructive call to __detach_mounts /dev

2015-08-17 Thread Sven Geggus
Eric W. Biederman wrote: > I don't have a clue what the issue would be but I would start with > something like the patch below. OK using it I got the following... This time with /dev on another machine (same nfs root-fs): Aug 17 13:57:04 dhcp195 kernel: NFS: nfs_lookup_revalidate(/dev): nfs_loo

Re: nfs-root: destructive call to __detach_mounts /dev

2015-08-14 Thread Eric W. Biederman
Sven Geggus writes: > On 31-07-15 09:27 Eric W. Biederman wrote: > >> I have added the linux-nfs list to hopefully add a wider interested >> audience. > > ... which made your mail get burried in my linux-nfs mailinglist folder :( > But I finaly found it. > >> If what is being revalidated is a mou

Re: nfs-root: destructive call to __detach_mounts /dev

2015-08-14 Thread Sven Geggus
On 31-07-15 09:27 Eric W. Biederman wrote: > I have added the linux-nfs list to hopefully add a wider interested > audience. ... which made your mail get burried in my linux-nfs mailinglist folder :( But I finaly found it. > If what is being revalidated is a mount point nfs4_lookup_revalidate >

Re: nfs-root: destructive call to __detach_mounts /dev

2015-07-31 Thread Eric W. Biederman
I have added the linux-nfs list to hopefully add a wider interested audience. Sven Geggus writes: > Hello, > > I have a couple of machines running Debian GNU/Linux 8 using an NFS-ro-mounted > root filesystem. > > The systems seem to get bitten by VFS changes in some (unfortunaly > somewhat diff

nfs-root: destructive call to __detach_mounts /dev

2015-07-31 Thread Sven Geggus
Hello, I have a couple of machines running Debian GNU/Linux 8 using an NFS-ro-mounted root filesystem. The systems seem to get bitten by VFS changes in some (unfortunaly somewhat difficult to reproduce) circumstances. The effect is, that /dev (dectmpfs) gets unmounted for some strange reason. I