Date: Sun, 11 Jul 2004 16:26:36 +0100 From: John Murphy <spam-trap@freeode.co.uk> To: questions@FreeBSD.ORG Cc: blade@aknet.kg Subject: Re: Problem with hardware OX16PCI954 8-ports serial Message-ID: <3jm2f05p1pcoibm9qqve8v4j9e0gajd3gv@4ax.com> In-Reply-To: <opsau6sns8apfz86@mail.aknet.kg> References: <opsau6sns8apfz86@mail.aknet.kg>
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Harchenko Andrew <blade@aknet.kg> wrote: >I have FreeBSD 4.9 and try to install multiport card OX16PCI954 8-ports >serial. And I have some problem 4 ports >works normaly. But other don't work. > >dmesg >.... >puc0: <Oxford Semiconductor OX16PCI954 UARTs> port >0xa800-0xa81f,0xb000-0xb01f mem >0xf2000000-0xf2000fff,0xf2800000-0xf2800fff irq 9 at device 10.0 on pci2 >sio4: type 16550A >sio5: type 16550A >sio6: type 16550A >sio7: type 16550A >chip0: <PCI to Other bridge (vendor=1415 device=9511)> port >0xa000-0xa01f,0xa400-0xa41f mem >0xf1000000-0xf1000fff,0xf1800000-0xf1800fff irq 9 at device 10.1 on pci2 >.... > > >I compiled kernel with follow options > >options COM_MULTIPORT >device puc >options PUC_FASTINTR > > >What's wrong? man 4 puc says: If the PUC_FASTINTR option is used the driver will try to use fast inter- rupts. This should lower the interrupt latency and should be used if the sio(4) driver reports silo overflow errors. It cannot be used if the interrupt is shared. So try a kernel without the PUC_FASTINTR option. Also ensure you have sio* devices in /dev for the other four ports. -- John.
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