On Mon, 30 Sep 2013, Ruslan N. Marchenko wrote:

> Hi Julia et al.,
> 
> With this commit VIA NANO board get CPU lockup in random places on any 
> network activity.
> The error is random, most of the times dead locked CPU on boot.
> 
> After loading via-velocity module it hangs for a while and then spits kernel 
> mesages
> about hanged tasks from varios places - like ata, rcu_preempt or network 
> stack.
> Also, if you boot the box with network disconnected - it works, until you 
> plug the network cable.
> 
> On some kernel builds (like ubuntu stock) behaviour varies, sometimes the box 
> itself works,
> but network stack dies after multiple ICMPv6 skb errors, so box ends up with 
> network disconnected.
> Reloading network susbsys helps to recover for some time (depending on how 
> fast eth led is blinking).
> 
> Reverting the patch allows me to boot without problems even from latest Linus 
> trunk and send this mail.

There has already been a discussion about this, and a patch has already 
been proposed.  It has to do with lock managament.  I will look for the 
email.

julia
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to