Try updating to 2.2. But you can cause this warning with long RT
interrupt handlers or tasks. The problem is that Linux on CPU_A is
sending a message to Linux on CPU_B asking it to synchronize on clearing
the memory management TLB cache. Linux on CPU_A then waits for CPU_B to
ack. If CPU_B is busy doing some RT activity, it will not ack in time and
CPU_A will complain. If the warning is causing real problems, tell me and
I'll fix it: there is a easy fix, but we have not yet put it in.
On Thu, Mar 30, 2000 at 02:09:35AM -0800, Surya wrote:
> Hi all,
> This is a repeat of my previous postings, I am still stuck with this
> problem.... any help/suggestion is highly regarded.
>
> My RTLinux (v2.0 + 2.2.13 kernel, Redhat6.1) system is getting stuck
> with "Stuck with TLB wait on CPU#0" error message. Whereas my normal SMP
> kernel on 2.2.10 is running properly. I got a couple of replies for my
> previous posting on SMP support for RTLinux saying that they are running
> the system successfully on a dual-processor machine. So what is causing
> this problem? Is it a bug in RTLinux or is it some other problem? Any
> suggestions. I am using Thunder 2( from Tyan) motherboard, 440LX AGP
> chipset dual PII 300MHz processors. Should I try another motherboard, if
> so which one are you using successfully.
>
> Thanx in anticipation,
> Surya.
>
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