fixing IRQ storms

Mike Tancsa mike at sentex.net
Fri Apr 6 11:30:57 UTC 2007


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

>--------------------------------------------------------------------
>Mike Tancsa,                                      tel +1 519 651 3400
>Sentex Communications,                            mike at sentex.net
>Providing Internet since 1994                    www.sentex.net
>Cambridge, Ontario Canada                         www.sentex.net/mike



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