Wow, this is quite bad. Thank you Veli-Matti.
Workaround: Use the kernel from Precise in the chroot:
http://packages.ubuntu.com/precise/i386/linux-image-3.11.0-13-generic/download
Jakob
On Tue, May 13, 2014 at 4:11 PM, Veli-Matti Lintu <
veli-matti.li...@opinsys.fi> wrote:
> Hello,
>
> We came across the same symptoms in our systems with kernel 3.13 or newer.
> Also our Ubuntu 12.10 based systems failed the same way when kernel 3.13
> was used. Restarting nbd-server or killing the nbd-server process serving
> the client always fixed the problem.
>
> We found out that there was a change in kernel 3.13 that caused the
> nbd-client to always use the same source port number when connecting the
> nbd-server. As dhcpd usually gives out the same ip for the same client, the
> nbd tcp connection had always the same srcip:srcport <-> dstip:dstport
> pairs. As the nbd-server had the client's connection still open, it did not
> accept a new connection from the same port.
>
> Bisecting revealed that commit e34c9a69970d8664a36b46e6445a7cc879111cfd
> broke it (http://marc.info/?l=git-commits-head&m=138433307618907&w=2) and
> the fix is now here on its way to stable kernels too:
> http://www.spinics.net/lists/netdev/msg282079.html
>
> So if you are experiencing the same bug, a patch should be on its way.
>
>
> Happy hacking,
>
> Veli-Matti
>
>
> ----- Original Message -----
> From: "Jacob Tennant" <jacob.tenn...@pierpont.edu>
> To: "LTSP list" <ltsp-discuss@lists.sourceforge.net>
> Sent: Monday, May 5, 2014 3:36:03 PM
> Subject: [Ltsp-discuss] 1st boot - OK, 2nd boot - FAIL!?!?!
>
> I just booted up my first client on a fresh LTSP install on Ubuntu Server
> 14.04LTS and it worked.
>
> However when I shutdown the thin-client machine and restarted it,
> everything went as before except I got the following error;;;
>
> Error: Socket failed: Connection timed out
> Exiting.
> mount: mounting /dev/nbd0 on /root failed: Invlai argument
> /scripts/init-bottom/ltsp: line 27: panic: not found
> chroot can't execute 'usr/bin/test': No such file or directory
> mount: mounting /root on rofs failed: Invalid argument
> mount: mounting /root/rofs failed: Invalid argument
> mount: mounting /dev on /root/dev failed: No such file or directory
> mount: mounting /sys on /root/sys failed: No such file or directory
> mount: mounting /proc on /root/proc failed:No such file or directory
> Target filesystem doesn't have requested /sbin/init-ltsp
> No init found. Try passing init bootarg
>
> BusyBox v1.21.1 (Ubuntu 1:1.21.0-1ubuntu1) built-in shell (ash)
> Enter 'help' for a list of built-in commands.
>
> (initramfs)
>
> I have tried to reboot the thin-client 3 times and get the same error
> everytime.
>
> Any suggestions?
>
> --
>
>
> Jacob W. Tennant
>
>
>
>
>
>
> IT Specialist
>
> Pierpont Community & Technical College
>
> Office: 304-333-3641
>
> jacob.tenn...@pierpont.edu
>
>
>
>
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