Date: Tue, 6 May 1997 23:07:28 -0500 (CDT) From: Bruce Albrecht <bruce@zuhause.mn.org> To: freebsd-current@freebsd.org Subject: Excessive tty-level buffer overflows Message-ID: <199705070407.XAA14409@zuhause.mn.org>
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In a five minute period while running uucp via an external sportster 33K modem at 57.6 KB on /dev/cuaa1, I received over 123,000 tty-level buffer overflows. This is a dual CPU Pentium Pro Tyan ATX 1668, running in single CPU mode. What does this mean? Is it a shoddy 16550 emulation? My kernel is from Saturday, or thereabouts. >From dmesg: sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A >From my console log: May 6 21:56:58 zuhause /kernel: sio1: 1402 more tty-level buffer overflows (total 116883) May 6 21:56:59 zuhause /kernel: sio1: 2162 more tty-level buffer overflows (total 119045) May 6 21:57:08 zuhause /kernel: sio1: 4435 more tty-level buffer overflows (total 123480) May 6 21:57:13 zuhause /kernel: sio1: 142 more tty-level buffer overflows (total 123622)
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