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Path: sserve!newshost.anu.edu.au!munnari.oz.au!constellation!osuunx.ucc.okstate.edu!moe.ksu.ksu.edu!crcnis1.unl.edu!wupost!howland.reston.ans.net!xlink.net!math.fu-berlin.de!zib-berlin.de!cs.tu-berlin.de!nuggets From: nuggets@cs.tu-berlin.de (Lars Hentschke) Newsgroups: comp.os.386bsd.bugs Subject: Re: [FreeBSD1.0] panic trap 19 ??? Date: 12 Nov 1993 10:23:09 GMT Organization: Technical University of Berlin, Germany Lines: 47 Message-ID: <2bvo6e$p1s@news.cs.tu-berlin.de> References: <2bnkj6$b35@news.cs.tu-berlin.de> NNTP-Posting-Host: jet.cs.tu-berlin.de Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Lars Hentschke (nuggets@cs.tu-berlin.de) wrote: : Hi : I'm running FreeBSD1.0-RELEASE on : 486DX50 16Mb AHA1542b AtiGraphicsUltra1MB with busmouse : lpt1,sio0,sio1,ed0,sd0,sd1 : On heavy traffic (make install on tex-package) : between sd0(240-quantum) and sd1(540 seagate) my : kernel escapes with trap 19. : autoboot, fsck means ok - nothing lost : same action again (make install) some points later my : kernel escapes with trap 19 : autoboot, fsck means ok - nothing lost : and again make install ... same trap : i turn power off and wait some minutes, : switch turbo down to 16MHz and try again, it : works. : now i switch turbo up to 50MHz and try again, it : works too ... ???????@#$%!&@^%%??????? : strange thing ... what is trap 19 ? : is anywhere a doc for trap numbers ? : (i'm using my computer very careful at this moment to : get rid off heavy traffic and trap 19 :-| ) : Bis denne ... Lars! : Ok, after a few answers to this posting i've "half-solved" this problem: (thanx for mails) AHA1542B uses some factory default settings like SCSI-Parity=ON I've moved jumpers on SEAGATE to parity=on too. Quantum's disk can't be jumpered for any parity. This may cause a crash! Now someone told me, that quantum uses no parity. Thats why i switch all to parity=off. hmmm 1 day heavy traffic (X up, X down, X up, Xdown, ... and continously compiling): stable, but sometimes: "/386bsd: NMI ... port ...". What's this? Bis denne ... Lars.