Date: Thu, 04 Jan 2001 21:55:57 -0800 From: Manfred Antar <null@pozo.com> To: Jake Burkholder <jburkhol@home.com> Cc: current@freebsd.org;, smp@freebsd.org;, tomdean@speakeasy.org Subject: Re: Continuing Fatal Trap 12 Message-ID: <5.0.2.1.2.20010104215541.00a63c38@pozo.com>
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Jake
I applied the patch:
#define LPT_DEBUG
--- lpt.c Thu Dec 7 17:33:12 2000
+++ lpt.c.hack Thu Jan 4 00:46:41 2001
@@ -394,6 +394,7 @@
/* retrieve the ppbus irq */
BUS_READ_IVAR(ppbus, dev, PPBUS_IVAR_IRQ, &irq);
+#if 0
if (irq > 0) {
/* declare our interrupt handler */
sc->intr_resource = bus_alloc_resource(dev, SYS_RES_IRQ,
@@ -403,9 +404,12 @@
sc->sc_irq = LP_HAS_IRQ | LP_USE_IRQ | LP_ENABLE_IRQ;
device_printf(dev, "Interrupt-driven port\n");
} else {
+#endif
sc->sc_irq = 0;
device_printf(dev, "Polled port\n");
+#if 0
}
+#endif
lprintf(("irq %x %x\n", irq, sc->sc_irq));
lpt_release_ppbus(dev);
And now printing seems to work fine under SMP
Just alot of debbuging stuff when I print :
Jan 4 21:52:45 pozo /boot/kernel/kernel: ppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
Jan 4 21:52:45 pozo /boot/kernel/kernel: pppppppppclosed.
Jan 4 21:52:45 pozo /boot/kernel/kernel: pppppppppclosed.
Manfred
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