From owner-freebsd-bugs Fri Apr 6 11: 0:25 2001 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 1658A37B496 for ; Fri, 6 Apr 2001 11:00:10 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.11.1/8.11.1) id f36I0Aa15111; Fri, 6 Apr 2001 11:00:10 -0700 (PDT) (envelope-from gnats) Received: from smtp.popsite.net (smtp.popsite.net [216.126.128.17]) by hub.freebsd.org (Postfix) with ESMTP id 06E4037B43C for ; Fri, 6 Apr 2001 10:57:30 -0700 (PDT) (envelope-from bill@twwells.com) Received: from twwells.com (03-151.051.popsite.net [64.24.21.151]) by smtp.popsite.net (Postfix) with ESMTP id B037F508CE for ; Fri, 6 Apr 2001 12:56:55 -0500 (CDT) Received: from bill by twwells.com with local (Exim 3.22 #1) id 14laSY-000Bc8-00 for FreeBSD-gnats-submit@freebsd.org; Fri, 06 Apr 2001 13:55:46 -0400 Message-Id: Date: Fri, 06 Apr 2001 13:55:46 -0400 From: "T. William Wells" Reply-To: bill@twwells.com To: FreeBSD-gnats-submit@freebsd.org X-Send-Pr-Version: 3.113 Subject: kern/26384: dc driver hangs in dc_rxeof Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >Number: 26384 >Category: kern >Synopsis: dc driver hangs in dc_rxeof >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Apr 06 11:00:09 PDT 2001 >Closed-Date: >Last-Modified: >Originator: T. William Wells >Release: FreeBSD 4.3-RC i386 >Organization: >Environment: System: FreeBSD twwells.com 4.3-RC FreeBSD 4.3-RC #3: Tue Apr 3 00:32:08 EDT 2001 root@twwells.com:/usr/obj/usr/src/sys/TWWELLS i386 Copyright (c) 1992-2001 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 4.3-RC #3: Tue Apr 3 00:32:08 EDT 2001 root@twwells.com:/usr/obj/usr/src/sys/TWWELLS Timecounter "i8254" frequency 1193182 Hz Timecounter "TSC" frequency 350796143 Hz CPU: AMD-K6(tm) 3D processor (350.80-MHz 586-class CPU) Origin = "AuthenticAMD" Id = 0x580 Stepping = 0 Features=0x8001bf AMD Features=0x80000800 real memory = 134201344 (131056K bytes) avail memory = 127873024 (124876K bytes) Preloaded elf kernel "kernel" at 0xc02b9000. Preloaded userconfig_script "/boot/kernel.conf" at 0xc02b909c. npx0: on motherboard npx0: INT 16 interface pcib0: on motherboard pci0: on pcib0 pcib1: at device 1.0 on pci0 pci1: on pcib1 chip1: at device 3.0 on pci0 isab0: at device 7.0 on pci0 isa0: on isab0 dc0: port 0xd800-0xd8ff mem 0xdf000000-0xdf0000ff irq 10 at device 10.0 on pci0 dc0: Ethernet address: 00:a0:cc:e2:ff:24 miibus0: on dc0 dcphy0: on miibus0 dcphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto pci0: at 11.0 irq 11 atapci0: port 0xd400-0xd40f irq 0 at device 15.0 on pci0 ata1: at 0x170 irq 15 on atapci0 pca0 at port 0x40 on isa0 atkbdc0: at port 0x60,0x64 on isa0 atkbd0: flags 0x1 irq 1 on atkbdc0 kbd0 at atkbd0 psm0: irq 12 on atkbdc0 psm0: model Generic PS/2 mouse, device ID 0 vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 sc0: at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0 sio0: type 16550A sio1 at port 0x2f8-0x2ff irq 3 on isa0 sio1: type 16550A ppc0: at port 0x378-0x37f irq 7 on isa0 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode ppc0: FIFO with 16/16/7 bytes threshold plip0: on ppbus0 lpt0: on ppbus0 lpt0: Interrupt-driven port ppi0: on ppbus0 fdc0: at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0 fdc0: FIFO enabled, 8 bytes threshold fd0: <1440-KB 3.5" drive> on fdc0 drive 0 aha0 at port 0x330-0x333 irq 9 drq 6 on isa0 aha0: AHA-1540/1542 64 head BIOS FW Rev. 0.8 (ID=41) SCSI Host Adapter, SCSI ID 7, 16 CCBs IP packet filtering initialized, divert enabled, rule-based forwarding disabled, default to deny, logging limited to 1000 packets/entry by default DUMMYNET initialized (010124) acd0: CDROM at ata1-master using PIO4 Waiting 2 seconds for SCSI devices to settle Mounting root from ufs:/dev/da0s1a da0 at aha0 bus 0 target 0 lun 0 da0: Fixed Direct Access SCSI-2 device da0: 3.300MB/s transfers da0: 8191MB (16777215 512 byte sectors: 64H 32S/T 8191C) makeoptions DEBUG=-g options DDB machine i386 cpu I486_CPU cpu I586_CPU cpu I686_CPU ident BILL maxusers 64 options CD9660 #ISO 9660 Filesystem options CD9660_ROOT #CD-ROM usable as root, CD9660 required options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!] options DUMMYNET options FFS #Berkeley Fast Filesystem options FFS_ROOT #FFS usable as root device [keep this!] options ICMP_BANDLIM #Rate limit bad replies options INCLUDE_CONFIG_FILE # Include this file in kernel options INET #InterNETworking options IPDIVERT #divert sockets options IPFIREWALL #firewall options IPFIREWALL_VERBOSE #print information about dropped packets options IPFIREWALL_VERBOSE_LIMIT=1000 #limit verbosity options IPSTEALTH #support for stealth forwarding options KBD_INSTALL_CDEV # install a CDEV entry in /dev options KTRACE #kernel tracing options NO_F00F_HACK #Not a Pentium! options P1003_1B #Posix P1003_1B real-time extensions options PROCFS #Process filesystem options SCSI_DELAY=2000 #Delay (in ms) before probing SCSI options SOFTUPDATES #Enable FFS soft updates support options SYSVMSG #SYSV-style message queues options SYSVSEM #SYSV-style semaphores options SYSVSHM #SYSV-style shared memory options UCONSOLE #Allow users to grab the console options USERCONFIG #boot -c editor options VISUAL_USERCONFIG #visual boot -c editor options _KPOSIX_PRIORITY_SCHEDULING device isa device pci device npx0 at nexus? port IO_NPX irq 13 device pca0 at isa? port IO_TIMER1 device atkbdc0 at isa? port IO_KBD device atkbd0 at atkbdc? irq 1 flags 0x1 device psm0 at atkbdc? irq 12 device vga0 at isa? device sc0 at isa? flags 0x100 options SC_KERNEL_CONS_ATTR="(FG_WHITE|BG_BLACK)" options SC_KERNEL_CONS_REV_ATTR="(FG_YELLOW|BG_BLACK)" options SC_NORM_ATTR="(FG_WHITE|BG_BLUE)" options SC_NORM_REV_ATTR="(FG_YELLOW|BG_BLUE)" device sio0 at isa? port IO_COM1 flags 0x10 irq 4 device sio1 at isa? port IO_COM2 irq 3 device ppc0 at isa? irq 7 device ppbus # Parallel port bus (required) device lpt # Printer device plip # TCP/IP over parallel device ppi # Parallel port interface device device fdc0 at isa? port IO_FD1 irq 6 drq 2 device fd0 at fdc0 drive 0 device fd1 at fdc0 drive 1 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 device atapifd # ATAPI floppy drives device atapist # ATAPI tape drives options ATA_STATIC_ID #Static device numbering device miibus # MII bus support device dc # DEC/Intel 21143 and various workalikes device pcm pseudo-device bpf 4 # Berkeley packet filter pseudo-device ether # Ethernet support pseudo-device gzip #Exec gzipped a.out's pseudo-device loop # Network loopback pseudo-device pty 64 # Pseudo-ttys (telnet etc) pseudo-device speaker #Play IBM BASIC-style noises out your speaker pseudo-device splash # splash screen/screen saver pseudo-device tun # Packet tunnel. pseudo-device vn #Vnode driver (turns a file into a device) >Description: My system hangs while doing large incoming data transfers via dc0. I can break into the debugger but I can't do anything else. Here's a backtrace. #14 0xc019787b in dc_rxeof (sc=0xc095f000) at /usr/src/sys/pci/if_dc.c:2365 #15 0xc0197edf in dc_intr (arg=0xc095f000) at /usr/src/sys/pci/if_dc.c:2640 #16 0xc020aa92 in slow_copyin () #17 0xc015d248 in sosend (so=0xc3d03480, addr=0x0, uio=0xc420fed8, top=0x0, control=0x0, flags=0, p=0xc3fa73c0) at /usr/src/sys/kern/uipc_socket.c:585 #18 0xc015178c in soo_write (fp=0xc09dbd00, uio=0xc420fed8, cred=0xc0a69180, flags=0, p=0xc3fa73c0) at /usr/src/sys/kern/sys_socket.c:81 #19 0xc014e3b1 in dofilewrite (p=0xc3fa73c0, fp=0xc09dbd00, fd=3, buf=0x8145004, nbyte=135088, offset=-1, flags=0) at /usr/src/sys/sys/file.h:163 #20 0xc014e26a in write (p=0xc3fa73c0, uap=0xc420ff80) at /usr/src/sys/kern/sys_generic.c:329 #21 0xc020c27d in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 134684360, tf_esi = -1077939264, tf_ebp = -1077939324, tf_isp = -1004470316, tf_ebx = 135088, tf_edx = 134682404, tf_ecx = 3, tf_eax = 4, tf_trapno = 0, tf_err = 2, tf_eip = 672976284, tf_cs = 31, tf_eflags = 642, tf_esp = -1077939368, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1150 #22 0xc01ffe65 in Xint0x80_syscall () #23 0x804ef42 in ?? () #24 0x804c7aa in ?? () #25 0x804c111 in ?? () #26 0x804af05 in ?? () I went into the debugger to see where things were going. It went through the dc_rxeof loop indefinitely, without ever exiting. In each iteration, ether_input got called. Beyond that, I'm clueless. :) >How-To-Repeat: Start this and wait: while :; do scp /usr/tmp/root.tmp twwells.com:/usr/tmp/root.tmp; done >Fix: None known. >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message