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SubjectRe: softirq.c bug
farshad khoshkhui <farshad_kh@yahoo.com> wrote:
>
> I'm using 2.5.67, on a duron 1200 box , my keyboard lock up when a ppp
> connection goes down and also
> pppd process won't die and kill, and the box don't event shutdown!

I submitted the below (sad) patch yesterday:



This BUG_ON is triggering via ppp's line discipline flushing, due to
brokenness in tty_io.c.

We need to fix tty. Meanwhile, let's not gratuitously nuke people's boxes.



25-akpm/kernel/softirq.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)

diff -puN kernel/softirq.c~local_bh_enable-niceness kernel/softirq.c
--- 25/kernel/softirq.c~local_bh_enable-niceness Wed Apr 16 13:51:42 2003
+++ 25-akpm/kernel/softirq.c Wed Apr 16 13:51:47 2003
@@ -102,7 +102,7 @@ restart:
void local_bh_enable(void)
{
__local_bh_enable();
- BUG_ON(irqs_disabled());
+ WARN_ON(irqs_disabled());
if (unlikely(!in_interrupt() &&
local_softirq_pending()))
invoke_softirq();


> I also found that my ethernet (rtl8139 NIC) don't work while CONFIG_ACPI=y
> it's response to other stations arp requests but don't add others to arp table

Please log this in http://bugzilla.kernel.org

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