Re: Real-Time Preemption, -RT-2.6.12-final-V0.7.50-45

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* Steven Rostedt <[email protected]> wrote:

> Hi Ingo,
> 
> I've just downloaded 51-09 and tried running it here on a normal intel 
> pentium4 box here at my customers site.  It included some hotplug PCI 
> modules (I don't know why since it's doesn't have hotplug devices) and 
> I got some init_MUTEX_LOCKED bugs on them.  Below you will find the 
> patch (I assume that compat_semaphore is still used).

thanks, i've applied it, and it's now in 51-11.

> Anyway, I also want to let you know that the e100 does not work.  It's 
> detected, but it wont bring up DHCP, and when I manually configued it, 
> it just froze (the process not the machine). But when I did a sysrq-t, 
> the machine froze up after it completed with some RT yeilding bug. 
> Here's what was last to spit out:

is PCI_MSI enabled by any chance? That is known to break level-triggered 
IOAPIC irqs and devices.

> NETDEV WATCHDOG: eth0: transmit timed out
> BUG: events/0:10 RT task yield()-ing!

i have replaced this yield() with msleep(1) in -51-11, but that's just 
fixing the symptom.

	Ingo
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