Re: 2.4.30-hf1 do_IRQ stack overflows

["Manfred Schwarb" <manfred99@gmx.ch>]

> > 
> > Hi,
> > with recent versions of the 2.4 kernel (Vanilla), I get an increasing 
> > amount of do_IRQ stack overflows.
> > This night, I got 3 of them.
> > With 2.4.28 I got an overflow about twice a year, with 2.4.29 nearly 
> > once a month and with 2.4.30 nearly every day 8-((
> 
> stupid question : have you tried reverting to older versions to check
> if the problem follows kernel upgrades or if something is ageing badly
> in your machine ?
> 
No, I have not, and I think I will not find the needed time to fully 
track it down.

> > My layout: Pentium4 HT SMP, raid1 on a promise card, driven by 
> > libata_promise, everything using reiserfs, heavy nfs and network
> traffic, 
> > with a Linksys (tulip) and a Realtek (8139too) NIC.
> 
> do you mean that you tested both with tulip and realtek and that the
> problem happens with both of them, or that your machine needs those
> two NICs simultaneously ? Using a realtek with heavy NFS and network
> traffic seems somewhat odd, eventhough the driver is rather stable.
> 
both simultaneously. I thought the realtek is enough for the internet
connection, as the bottleneck clearly is the ISP (we have a 10Mb/s wire).
"heavy" is relative, a few handful (<20) of concurrent connections.
the other NIC is the connection to the internal network.

> > The used 2.4.30-hf1 is pure Vanilla.
> > 
> > Below my three overflow messages. Would the stack reduction patches of 
> > Badari Pulavarty help in my case? 
> 
> I don't know. I suspect that it might delay the problem but not remove
> it.
> 
> Regards,
> Willy
> 
Thanks,
Manfred

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