Date: Sun, 13 Oct 1996 01:43:57 -0400 (EDT) From: bill@twwells.com (T. William Wells) To: freebsd-questions@freebsd.org Subject: gratuitous system hangs -- 2.1.5 Message-ID: <m0vCJLC-0001CbC@twwells.com>
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I posted the bulk of this message before but got no answers.... (Actually, it looks like my mail problem ate both messages. So here it is One More Time.) In addition to the original post, which I've included at the end of this new text, I have this (slightly edited) vmstat. Yes, the vmstat kept running through the crash; I got this output by having been telnetted in and capturing the vmstat on another machine. procs memory page disks faults cpu r b w avm fre flt re pi po fr sr s0 s1 in sy cs us sy id 3 0 0 421488 5144 619 17 1 0 616 0 4 13 434 1299 189 13 25 62 2 1 0 397596 5048 532 3 1 0 535 0 4 12 481 1062 189 9 15 76 2 0 0 379872 5736 439 3 0 0 464 0 2 10 480 932 195 8 15 77 4 1 0 401056 4832 1213 19 3 0 1146 0 3 18 544 1985 262 14 31 55 **presumably, this is where things started going wrong.... 19 36 0 610428 1664 1182 17 6 0 1039 0 19 45 564 1650 296 22 38 41 60 37 3 764756 220 1374 0 14 47 1076 6787 45 56 769 2394 518 11 45 43 16 45 21 704324 2228 629 0 17 36 636 4358 48 49 590 1601 433 15 39 46 13 34 17 664476 5336 34 1 3 51 101 4375 55 47 515 10320 210 7 38 56 14 36 0 544712 8192 48 1 3 18 53 7460 22 1 374 413 127 2 22 75 14 36 0 516176 7940 19 0 1 0 10 0 2 1 359 456 137 1 6 93 14 36 0 376420 7916 11 0 2 0 15 0 5 2 356 439 137 3 8 89 14 36 0 363124 8120 8 1 1 0 25 0 3 2 358 544 131 6 8 86 14 36 0 322944 8476 22 0 0 0 42 0 0 1 316 261 80 2 3 95 14 36 0 318748 9440 61 0 1 0 107 0 10 12 347 345 103 2 8 90 15 37 0 307268 10072 51 0 4 0 88 0 4 2 337 325 104 2 5 93 15 37 0 296872 10028 3 0 1 0 2 0 0 1 326 307 76 3 5 92 15 37 0 311468 9052 48 0 10 0 37 0 4 9 355 428 117 4 7 89 17 38 1 313476 9384 24 0 2 0 44 0 1 1 326 335 87 3 4 93 15 37 0 303860 9496 59 0 7 0 67 0 7 2 338 345 93 3 6 91 16 38 0 300732 9408 9 0 2 0 5 0 6 12 363 421 115 4 6 90 16 38 0 286192 9800 23 0 1 0 43 0 0 0 297 278 73 3 5 92 16 38 0 273460 10236 8 0 1 0 31 0 0 2 291 182 47 1 2 97 One other, possibly irrelevant, datum. There seems to be an unusual number of processes in "lock_write" state, says the results of a ps taken via ddb during the crash. ------------ I've been having some unexplained system hangs. These occured in 2.1 and continue in 2.1.5. The symptoms are these: processes that are running keep running. Processes cannot start. Processes appear to be unable to exit. For example, if I'm running a shell I can (always? I can't say for sure) run internal shell commands but as soon as I try to run anything external, it hangs. I run a radius server on that machine; it keeps responding to requests. There are no console messages. There are no abnormal log entries. The disk is still active. The behavior of the system does change with time -- the radius server stops responding eventually; when telnetting in, instead of a connected-to message and a hang, it just doesn't connect. The only remedy is the reset switch.... I've included the boot messages and the config. Any ideas? FreeBSD 2.1.5-RELEASE #0: Tue Aug 27 21:14:03 EDT 1996 root@ux1.cyberenet.net:/usr/src/sys/compile/UX1 CPU: 133-MHz Pentium 735\90 or 815\100 (Pentium-class CPU) Origin = "GenuineIntel" Id = 0x52b Stepping=11 Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8> real memory = 67108864 (65536K bytes) avail memory = 63217664 (61736K bytes) Probing for devices on PCI bus 0: chip0 <Intel 82437 PCI cache memory controller> rev 2 on pci0:0 chip1 <Intel 82371 PCI-ISA bridge> rev 2 on pci0:7:0 chip2 <Intel 82371 Bus-master IDE controller> rev 2 on pci0:7:1 de0 <Digital DC21041 Ethernet> rev 17 int a irq 5 on pci0:13 de0: DC21041 [10Mb/s] pass 1.1 Ethernet address 00:00:c0:3b:ae:c7 Probing for devices on the ISA bus: sc0 at 0x60-0x6f irq 1 on motherboard sc0: VGA color <16 virtual consoles, flags=0x0> sio0 not found at 0x3f8 sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A lpt0 not found at 0xffffffff fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: NEC 72065B fd0: 1.44MB 3.5in wdc0 not found at 0x1f0 wdc1 not found at 0x170 aha0 at 0x330-0x333 irq 11 drq 5 on isa aha0 waiting for scsi devices to settle (aha0:0:0): "FUJITSU M2694ES-512 8134" type 0 fixed SCSI 1 sd0(aha0:0:0): Direct-Access 1033MB (2117025 512 byte sectors) (aha0:1:0): "QUANTUM XP34301 1071" type 0 fixed SCSI 2 sd1(aha0:1:0): Direct-Access 4106MB (8410200 512 byte sectors) npx0 on motherboard npx0: INT 16 interface changing root device to sd0a WARNING: / was not properly dismounted. de0: enabling Thinwire/BNC port machine "i386" cpu "I486_CPU" cpu "I586_CPU" ident "UX1" maxusers 64 options INET #InterNETworking options FFS #Berkeley Fast Filesystem options "CD9660" #ISO 9660 Filesystem options PROCFS #Process filesystem options "COMPAT_43" #Compatible with BSD 4.3 options "FAT_CURSOR" options "SCSI_DELAY=15" #Be pessimistic about Joe SCSI device options BOUNCE_BUFFERS #include support for DMA bounce buffers options DODUMP options DDB options "NMBCLUSTERS=4096" # lots of mbufs! options "INITIAL_CBLOCKS=200" # start with more clists options SYSVSHM options SYSVSEM options SYSVMSG config kernel root on wd0 controller isa0 controller pci0 controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr disk fd0 at fdc0 drive 0 disk fd1 at fdc0 drive 1 controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr disk wd0 at wdc0 drive 0 disk wd1 at wdc0 drive 1 controller wdc1 at isa? port "IO_WD2" bio irq 15 vector wdintr disk wd2 at wdc1 drive 0 disk wd3 at wdc1 drive 1 options ATAPI #Enable ATAPI support for IDE bus device wcd0 #IDE CD-ROM controller ahc0 controller aha0 at isa? port "IO_AHA0" bio irq ? drq 5 vector ahaintr controller scbus0 device sd0 device st0 device cd0 #Only need one of these, the code dynamically grows # syscons is the default console driver, resembling an SCO console device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr device npx0 at isa? port "IO_NPX" irq 13 vector npxintr 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 lpt0 at isa? port? tty irq 7 vector lptintr device de0 pseudo-device loop pseudo-device ether pseudo-device log pseudo-device pty 64 pseudo-device gzip # Exec gzipped a.out's
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