Re: NFS file sharing causing system hangs
Glen Gray wrote:
> On Thu, 2005-07-07 at 16:44 +0200, Thiemo Seufer wrote:
> > Glen Gray wrote:
> > [snip]
> > > I doubt it's the network bug being seen in the latest version of the
> > > kernel as simply doing and ifdown and ifup on the ethernet device would
> > > bring the network back. This seems to hang the box, possibly a bug in
> > > the NFS version on MIPS ?
> >
> > That's a known bug in the -8 cobalt kernel, and some of the changes in
> > -10 were supposed to fix it... Namely what you can see in the diff at
> >
> > http://svn.debian.org/wsvn/kernel/trunk/kernel-2.4/mips/kernel-patch-2.4.27-mips-2.4.27/debian/patches/10_cobalt-patch.dpatch?op=diff&rev=0&sc=0
> >
> Ah right. But as you know, it just made it worse for Qube2 owners from
> what I can see on the lists.
>
> > It is not a problem of the NFS version (that's generic code), it is
> > related to the Galileo PCI bridge setup in the Cobalt.
>
> So the changes from -8 to -10 simply exposed the bug more rather than
> fix it. The symptoms I was seeing where different. Restarting networking
> on -10 fixed it for a little while 'til it happened again. But -8 locks
> up totally.
>
> If I can help in anyway then please let me know.
You could take the -10 source, reintroduce the #if 0 / #endif around the
new Galileo support by editing the start of 10_cobalt_patch.dpatch, and
try if the resulting kernel works better.
Thiemo
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