On Wed, 2007-07-25 at 12:59 -0500, Noah Watkins wrote:
> dmesg below shows two BUGs, one in the middle, one at the end. here are
> system specs (config attached):
>
> Also, this kernel boots up EXTREMELY slow. once it is booted, the timer
> soft-irqs on both cpus run (according to top) at about 4% of the CPU
> constantly. X is very jerky, I assume because of the soft-irqs running
> so much...?
I don't know about the slowness, but I think the BUG warnings are from
CONFIG_DEBUG_SHIRQ .
Try this patch,
Signed-off-by: Daniel Walker <dwalker@xxxxxxxxxx>
---
kernel/irq/manage.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6.22/kernel/irq/manage.c
===================================================================
--- linux-2.6.22.orig/kernel/irq/manage.c
+++ linux-2.6.22/kernel/irq/manage.c
@@ -578,9 +578,9 @@ int request_irq(unsigned int irq, irq_ha
if (irqflags & IRQF_DISABLED) {
unsigned long flags;
- local_irq_save(flags);
+ local_irq_save_nort(flags);
handler(irq, dev_id);
- local_irq_restore(flags);
+ local_irq_restore_nort(flags);
} else
handler(irq, dev_id);
}
-
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