Date: Fri, 06 Apr 2007 14:13:59 +0200 From: Volker <volker@vwsoft.com> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-hackers@freebsd.org Subject: Re: Re: fixing IRQ storms Message-ID: <46163987.4010409@vwsoft.com> In-Reply-To: <200704061130.l36BUtjW064328@lava.sentex.ca> References: <7.1.0.9.0.20070405163059.16b8a220@sentex.net> <200704061130.l36BUtjW064328@lava.sentex.ca>
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On 12/23/-58 20:59, Mike Tancsa wrote: > At 04:47 PM 4/5/2007, Mike Tancsa wrote: > >> Using >> http://lists.freebsd.org/pipermail/freebsd-bugs/2007-March/022753.html >> > > Tried with sio, but the card is not usable due to all the overflows. > (e.g. just ati3 and only part of the info gets displayed) > > > isa0: <ISA bus> on motherboard > orm0: <ISA Option ROM> at iomem 0xc8000-0xd0fff on isa0 > ata0 at port 0x1f0-0x1f7,0x3f6 irq 14 on isa0 > ata1 at port 0x170-0x177,0x376 irq 15 on isa0 > sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 > sio0: type 16550A, console > Timecounters tick every 1.000 msec > Elan-mmcr driver: MMCR at 0xc5b71000. > Elan-mmcr Soekris net45xx comBIOS ver. 1.28 20050527 Copyright (C) > 2000-2005 > sio2: <Sierra Wireless AC860> at port 0x3e8-0x3ef irq 10 function 1 > config 34 on pccard0 > sio2: type 16550A > sio2: unable to activate interrupt in fast mode - using normal mode > ad0: 977MB <Hitachi XX.V.3.4.0.0 Rev 0.00> at ata0-master PIO4 > Trying to mount root from ufs:/dev/ad0s1a > sio2: 1 more interrupt-level buffer overflow (total 1) > sio2: 108 more interrupt-level buffer overflows (total 109) > sio2: 108 more interrupt-level buffer overflows (total 217) > sio2: 108 more interrupt-level buffer overflows (total 325) > sio2: 109 more interrupt-level buffer overflows (total 434) Mike, have a look at GNAT: http://www.freebsd.org/cgi/query-pr.cgi?pr=51982 You need to patch your kernel sources a bit (all info in the PR) and your silo overflows will be gone. I've done that to get a Merlin U630 working (w/o patching sio.c the card was almost unusable). HTH, Volker
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