Date: Mon, 24 Apr 2000 20:25:39 +0200 (CEST) From: Eric Masson <e-masson@kisoft-services.com> To: freebsd-stable@FreeBSD.ORG Subject: Re: sio interrupt handler problem Message-ID: <14596.37283.563515.214828@localhost.nantes.kisoft-services.com> In-Reply-To: <20000424114057.A692@pir.net> References: <5564.000424@pd.chel.ru> <20000424114057.A692@pir.net>
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Peter Radcliffe writes: >Get some real serial ports. > >16450 ports, in my experience, really suck. From the era when they >were common you can find dual fast serial cards with two 16550A ports >on them, which are considerably better. Hello Thinkpad 390 2626-700 (PII-266 64Mo) FreeBSD notbsdems.nantes.kisoft-services.com 4.0-STABLE FreeBSD 4.0-STABLE #0: Mon Apr 24 13:02:58 CEST 2000 emss@notbsdems.nantes.kisoft-services.com: /usr/src/sys/compile/THINKPAD i386 sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 sio0: type 16550A So i assume my box has real serial ports :). I encounter lots of silo overflows while using userland ppp under Xfree. - Under XFree86 4.0, approximately 250 Silo Overflows (SO) while fetching mail & news (10 minutes). - Under XFree86 3.3.6, approximately 220 SO for the same task. - Shell mode, xemacs -nw & fetchnews generate 1 SO from time to time. From the previous, i could think that XFree86 is responsible for the SO, but one month ago this box was running 3.4-STABLE & XFree86 3.3.6 and I was wondering what were these SO messages in freebsd-stable mailing list ;). I don't really understand the point. Maybe i misconfigured my kernel. Well all comments welcome. Regards Eric Masson # # THINKPAD -- Generic kernel configuration file for FreeBSD/i386 # machine i386 cpu I686_CPU ident THINKPAD maxusers 32 makeoptions DEBUG=-g options INET #InterNETworking options FFS #Berkeley Fast Filesystem options FFS_ROOT #FFS usable as root device [keep this!] options MFS #Memory Filesystem options NFS #Network Filesystem options NFS_NOSERVER #Disable NFS server code options PROCFS #Process filesystem options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!] options UCONSOLE #Allow users to grab the console options USERCONFIG #boot -c editor options VISUAL_USERCONFIG #visual boot -c editor options KTRACE #ktrace(1) support options SOFTUPDATES options SYSVSHM #SYSV-style shared memory options SYSVMSG #SYSV-style message queues options SYSVSEM #SYSV-style semaphores options P1003_1B #Posix P1003_1B real-time extentions options _KPOSIX_PRIORITY_SCHEDULING options ICMP_BANDLIM #Rate limit bad replies options TCP_DROP_SYNFIN options TCP_RESTRICT_RST options PSM_HOOKRESUME options PSM_RESETAFTERSUSPEND options PCIC_RESUME_RESET options DDB device isa device pci device fdc0 at isa? port IO_FD1 irq 6 drq 2 device fd0 at fdc0 drive 0 device ata0 at isa? port IO_WD1 irq 14 device ata1 at isa? port IO_WD2 irq 15 device ata device atadisk # ATA disk drives device atapicd # ATAPI CDROM drives options ATA_STATIC_ID #Static device numbering device atkbdc0 at isa? port IO_KBD device atkbd0 at atkbdc? irq 1 device psm0 at atkbdc? irq 12 device vga0 at isa? device sc0 at isa? device npx0 at nexus? port IO_NPX irq 13 #device pcm device apm0 at nexus? flags 0x20 # Advanced Power Management device card device pcic0 at isa? device pcic1 at isa? device sio0 at isa? port IO_COM1 flags 0x10 irq 4 device ppc0 at isa? irq 7 device ppbus # Parallel port bus (required) device lpt # Printer device ed pseudo-device loop # Network loopback pseudo-device ether # Ethernet support pseudo-device tun # Packet tunnel. pseudo-device pty # Pseudo-ttys (telnet etc) pseudo-device bpf #Berkeley packet filter device uhci # UHCI PCI->USB interface device ohci # OHCI PCI->USB interface device usb # USB Bus (required) device ugen # Generic device uhid # "Human Interface Devices" device ukbd # Keyboard device ums # Mouse -- Opinions stated below are mine and can't be considered as official Kisoft Services policy. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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