> > wait_on_irq, CPU1:
> > irq: 0 [0 0]
> > bh: 1 [1 0]
> CPU0 was executing a bottom half handler.
> > I decoded above code trace:
> > Trace: c010b5dd <__global_cli+b9/130>
> CPU1 tried to acquire the global-cli lock.
> > Trace: c01a4005 <rs_write+141/1f4>
> > Trace: c01ac015 <ppp_tty_push+c5/180>
> > Trace: c01abf3f <ppp_async_send+67/78>
> > Trace: c01ae293 <ppp_send_frame+267/29c>
> > Trace: c01ae5f8 <ppp_send_ctrl+e0/11c>
> > Trace: c01ab7e7 <ppp_tty_write+103/110>
> Could you post a few more details about your server? ie which serial
Well, ok. I forgot to mention, that I have Moxa 8-port serial board
(16550A). It is the only board on 10th IRQ. I use in-kernel serial driver
for it. (configure with setserial).
I also use onboard /dev/ttyS0 for ppp too.
> card are you using, how many serial ports, how many interrupts for
> serial ports, SCSI or IDE, which network card, any special kernel
3 interrupts. irq 3,4 for ttyS{1,0}, and irq 10 for 8 posrts on Moxa.
I have 3 rtl8029 based ethernet cards, and one rtl8139 based.
Adaptec 2940UW-2 SCSI card.
Here is my irq map:
irq 0: 79541 timer irq 13: 1 fpu
irq 1: 4816 keyboard irq 14: 8 ide0
irq 2: 0 cascade [4] irq 15: 56 ide1
irq 3: 1 irq 16: 20271 aic7xxx, eth0, eth3
^^^^
That's inactive channel. eth3 - rtl8129
irq 4: 71348 serial irq 17: 2740 eth1
irq 8: 1 rtc irq 18: 821 eth2
irq 10: 1767 serial irq 19: 19307 aic7xxx
irq 12: 2058 PS/2 Mouse
> drivers?
No. Although papers with boardstated that there is special kernel driver,
I prefer to use well tested in-kernel ones.
BTW, I have Raid012345 patchset applied, I don't consider this as driver,
it doesn't muck with interrupts and so on. I have 1 raid-1 mirror.
Bye,
Oleg
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