Date: Fri, 30 Apr 2004 10:51:41 -0700 From: othermark <atkin901@yahoo.com> To: freebsd-current@freebsd.org Subject: Re: sio: lots of silo overflows on Asus K8V with Moxa Smartio C104H/PCI Message-ID: <c6u3nd$f8q$1@sea.gmane.org> References: <20040426111754.38a855c4.bm@malepartus.de> <20040426233925.Y5300@gamplex.bde.org> <20040430102504.477152ce.bm@malepartus.de>
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Burkard Meyendriesch wrote: > On Mon, 26 Apr 2004 23:48:46 +1000 (EST) Bruce Evans wrote: >> On Mon, 26 Apr 2004, Burkard Meyendriesch wrote: >> >> > on my Asus K8V with Moxa Smartio C104H/PCI I get lots of silo >> > overflows when backing up my Palm over a serial line, even at 19.200 >> > baud. >> > >> > What's going wrong here? And what can I do? >> > ... >> >> You seem to have trimmed too much from the boot messages (I trimmed >> the rest). sio5 is not there. >> >> > /var/log/messages after boot -v: >> > Apr 24 14:09:00 Reineke kernel: Mounting root from ufs:/dev/ad10s1a >> > Apr 24 14:09:00 Reineke kernel: ata6: spurious interrupt - >> > status=0x50 error=0x00 Apr 24 14:09:00 Reineke last message repeated >> > 4 times Apr 24 14:09:00 Reineke kernel: start_inata6: spurious >> > interrupt - status=0x50 error=0x00 Apr 24 14:09:00 Reineke kernel: >> > ata6: spurious interrupt - status=0x50 error=0x00 Apr 24 14:09:01 >> > Reineke last message repeated 666 times Apr 24 14:09:01 Reineke >> > named[301]: starting BIND 9.2.3.. >> > >> > Apr 26 11:03:12 Reineke kernel: sio5: 1 more silo overflow (total >> > 43) Apr 26 11:03:12 Reineke kernel: ata6: spurious interrupt - >> > status=0x50 error=0x00 Apr 26 11:03:32 Reineke last message repeated >> > 172 times Apr 26 11:03:33 Reineke kernel: sio5: 1 more silo overflow >> > (total 44) Apr 26 11:03:33 Reineke kernel: ata6: spurious interrupt >> > - status=0x50 error=0x00 Apr 26 11:03:43 Reineke last message >> > repeated 21 times Apr 26 11:03:44 Reineke kernel: sio5: 1 more silo >> > overflow (total 45) >> >> sio5's interrupt might be misconfigured. If it has none, then it is >> supposed to fall back to polled mode but should still get less >> overflows than above. ata6 seems to be getting sio5's interrupts. >> >> In general, puc must be used with sio except for isa ports, and all >> sio interrupts should be unshared. For pci sio cards, making the >> interrupt unshared may require juggling pci slots or using APIC mode. >> > Sorry, I forgot to send the sio's boot message (I forgot it because it > didn't say anything in boot -v mode). Here are the boot messages: > > Apr 30 10:13:38 Reineke kernel: puc0: <Moxa Technologies, Smartio > C104H/PCI> port 0xa000-0xa00f,0xa400-0xa43f,0xa800-0xa87f irq 19 at device > 14.0 on pci0 Apr 30 10:13:38 Reineke kernel: puc0: Reserved 0x40 bytes for > rid 0x18 type 4 at 0xa400 Apr 30 10:13:38 Reineke kernel: sio4: <Moxa > Technologies, Smartio C104H/PCI> on puc0 Apr 30 10:13:38 Reineke kernel: > sio4: type 16550A Apr 30 10:13:38 Reineke kernel: sio4: unable to activate > interrupt in fast mode - using normal mode Apr 30 10:13:38 Reineke kernel: > sio5: <Moxa Technologies, Smartio C104H/PCI> on puc0 Apr 30 10:13:38 > Reineke kernel: sio5: type 16550A Apr 30 10:13:38 Reineke kernel: sio5: > unable to activate interrupt in fast mode - using normal mode Apr 30 > 10:13:38 Reineke kernel: sio6: <Moxa Technologies, Smartio C104H/PCI> on > puc0 Apr 30 10:13:38 Reineke kernel: sio6: type 16550A Apr 30 10:13:38 > Reineke kernel: sio6: unable to activate interrupt in fast mode - using > normal mode Apr 30 10:13:38 Reineke kernel: sio7: <Moxa Technologies, > Smartio C104H/PCI> on puc0 Apr 30 10:13:38 Reineke kernel: sio7: type > 16550A Apr 30 10:13:38 Reineke kernel: sio7: unable to activate interrupt > in fast mode - using normal mode > > Meanwhile I plugged the Moxa board into another PCI slot of my motherboard > and the conflict with the ata6 interrupt seems to be solved. The silo > over- flows are still there. > > By the way: How should I set the BIOS parameters "PCPI 2.0 yes/no" and > "ACPI APIC yes/no"? Do they have anything to do with the PCI interrupt > behaviour? I had to enable APIC to get my puc supported card to work. W/o it the interrupts were shared and I received a ton of silo overflows and lost data on line. so try the following in your kernel and rebuild options COM_MULTIPORT options PUC_FASTINTR device apic > Burkard > > -- > Burkard Meyendriesch > Stevern 2 > D-48301 Nottuln > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" -- othermark atkin901 at nospam dot yahoo dot com (!wired)?(coffee++):(wired);
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