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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!inferno.mpx.com.au!nsw1.news.telstra.net!news.telstra.net!news-out.internetmci.com!newsfeed.internetmci.com!news.cmc.net!news.gv.tsc.tdk.com!news.winterlan.com!frii.com!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.nacamar.de!news-kar1.dfn.de!hades.rz.uni-sb.de!news.phil.uni-sb.de!not-for-mail From: D. Rock <rock@wurzelausix.CS.Uni-SB.DE> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: 2.2.1-RELEASE: panic at floppy access Date: 3 Apr 1997 17:35:30 GMT Organization: Universität des Saarlandes Lines: 109 Message-ID: <5i0pp2$ac4$1@pf1.phil.uni-sb.de> References: <5hbo0e$kto$1@pf1.phil.uni-sb.de> <5hojb0$ai9@uriah.heep.sax.de> NNTP-Posting-Host: vodix.cs.uni-sb.de X-Newsreader: TIN [UNIX 1.3 unoff BETA 970222; i86pc SunOS 5.5.1] Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:38494 In Artikel <5hojb0$ai9@uriah.heep.sax.de> schrieb J Wunsch <j@uriah.heep.sax.de>: : D. Rock <rock@wurzelausix.CS.Uni-SB.DE> wrote: : > The error is fairly easy reproductable by first accessing the : > drive without a disk inserted, insert disk, do again: : > % mdir : > .... I/O error : > [slide in disk] : > % mdir : > panic: general protection fault : This is more likely to be a machine problem than a floppy driver one. I suspect it's a hardware fault. I was able to reproduce the same error on a totally different machine (the floppy port of an Adaptec 1542B, also detected as a NEC 765). So it seems to be more a problem of the handling of a "NEC 765" in the floppy driver? Daniel Just to be complete, here is the boot output of the 2nd machine: FreeBSD 2.2-STABLE #0: Tue Apr 1 03:39:28 CEST 1997 root@abrams:/usr/src/sys/compile/MODEM CPU: i486 DX2 (486-class CPU) Origin = "GenuineIntel" Id = 0x435 Stepping=5 Features=0x3<FPU,VME> real memory = 16777216 (16384K bytes) avail memory = 14958592 (14608K bytes) Probing for devices on the ISA bus: ed0 at 0x300-0x31f irq 5 on isa ed0: address 00:00:6e:20:fe:af, type NE2000 (16 bit) sio0 at 0x3f8-0x3ff irq 4 on isa sio0: type 8250 sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A sio2 at 0x3e8-0x3ef irq 10 on isa sio2: type 16550A sio3 at 0x2e8-0x2ef irq 12 on isa sio3: type 16550A sio4 at 0x3e0-0x3e7 irq 15 on isa sio4: type 16550A pca0 on motherboard pca0: PC speaker audio driver fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 765 fd0: 1.2MB 5.25in aha0 at 0x330-0x333 irq 11 drq 5 on isa (aha0:0:0): "IBM 0662SW1 !X 2 23" type 0 fixed SCSI 2 sd0(aha0:0:0): Direct-Access 1003MB (2055035 512 byte sectors) sd0(aha0:0:0): with 4119 cyls, 5 heads, and an average 99 sectors/track npx0 on motherboard npx0: INT 16 interface RTC BIOS diagnostic error 20<config_unit> IP packet filtering initialized, divert disabled, unlimited logging WARNING: / was not properly dismounted. The config file: machine "i386" cpu "I486_CPU" ident MODEM maxusers 8 config kernel root on sd0 options "COMPAT_43" options SYSVSHM options SYSVSEM options SYSVMSG options KTRACE options UCONSOLE options USERCONFIG options VISUAL_USERCONFIG options INET pseudo-device ether pseudo-device loop pseudo-device ppp 4 pseudo-device bpfilter 4 options MROUTING options IPFIREWALL options IPFIREWALL_VERBOSE options FFS options NFS options NFS_NOSERVER options PROCFS pseudo-device pty 4 pseudo-device speaker pseudo-device log pseudo-device snp 2 controller isa0 options "AUTO_EOI_1" device npx0 at isa? port "IO_NPX" irq 13 vector npxintr controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr disk fd0 at fdc0 drive 0 controller scbus0 device sd0 options SCSI_REPORT_GEOMETRY options BOUNCE_BUFFERS controller aha0 at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr device sio0 at isa? port "IO_COM1" tty irq 4 vector siointr device sio1 at isa? port "IO_COM2" tty irq 3 vector siointr device sio2 at isa? port "IO_COM3" tty irq 10 vector siointr device sio3 at isa? port "IO_COM4" tty irq 12 vector siointr device sio4 at isa? port 0x3e0 tty irq 15 vector siointr options COMCONSOLE device ed0 at isa? port 0x300 net irq 5 iomem 0xca000 vector edintr device pca0 at isa? port IO_TIMER1 tty