Date: Mon, 13 Nov 2006 19:10:12 +0300 From: Spartak Radchenko <spartak@aif.ru> To: freebsd-stable@freebsd.org Subject: Re: sio driver sucks Message-ID: <455898E4.6000100@aif.ru> In-Reply-To: <200611131447.kADElvjo044200@lava.sentex.ca> References: <455768F3.4000407@FreeBSD.org> <455786DB.4020807@mail.zedat.fu-berlin.de> <455858A3.9060701@aif.ru> <200611131447.kADElvjo044200@lava.sentex.ca>
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Mike Tancsa wrote: > At 06:36 AM 11/13/2006, > =?KOI8-R?Q?=F3=D0=C1=D2=D4=C1=CB_=F2=C1=C4=DE=C5=CE=CB=CF?= wrote: >> O. Hartmann пишет: >>> Sergey Matveychuk wrote: >>> >>>> Do you know an old sio driver is hardly usable? >>>> >>>> There are many silo overflows, working with a terminal device is a >>>> nightmare. There was a report about one crash with a message about a >>>> spinlock holed more than 5 seconds (there is no core dump because >>>> it has >>>> not repeated). >>>> >>>> After a discussion in a Russian FIDO group I've change it on uart and >>>> the problems gone. >>>> >>>> I think a default driver should be changed from sio to uart until it >>>> will be fixed. >>>> >>>> >>> >>> Had those overflows many times when I used FreeBSD 6.0-STABLE, >>> 6.1-STABLE and a modem. >>> But this never had a so bad influence forcing me into using uart. >>> >> I had serious problems with sio on Intel STL2 motherboard and recent >> stable. Massive silo overflows (modem was almost unusable) and at >> least 1 sio-related panic (spinlock held for more than 5 sec). Now I >> changed sio to uart ant it works like a charm. All problems gone. > > How do you switch it from sio to uart on RELENG_6 ? I compiled a new kernel with device uart instead of sio (not sure it was necessary, but I did it) and edited /boot/device.hints (sio -> uart). Kernel config was standard SMP from FreeBSD distribution. Also edited /etc/ttys and /etc/ppp/* to switch from ttyd? to ttyu?. -- Spartak Radchenko SVR1-RIPE
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