kern/98064: Crash with FIFOs (named pipes) and truncate()

[Kirk Russell]

The following reply was made to PR kern/98064; it has been noted by GNATS.

From: Kirk Russell <kirk at ba23.org>
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/98064: Crash with FIFOs (named pipes) and truncate()
Date: Sun, 28 May 2006 18:42:00 -0400 (EDT)

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 FreeBSD 6.1-RELEASE #0: Sun May  7 18:29:20 UTC 2006
     root at ds10.freebie.xs4all.nl:/usr/obj/usr/src/sys/GENERIC
 DEC AlphaServer 2100
 AlphaServer 2100 5/300, 291MHz
 8192 byte page size, 2 processors.
 CPU: EV5 (21164) major=5 minor=5
 OSF PAL rev: 0x4000100020116
 real memory  = 937353216 (893 MB)
 avail memory = 909377536 (867 MB)
 FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
  cpu0 (BSP): PAL ID:  0
  cpu1 (AP): PAL ID:  1
 t20: using interrupt type 0 on pci bus 0
 t20: <T2 Core Logic chipset>
 pcib0: <T2 PCI host bus adapter> on t20
 pci0: <PCI bus> on pcib0
 de0: <Digital 21040 Ethernet> port 0x10200-0x1027f mem 0x81009100-0x8100917f irq 2 at device 0.0 on pci0
 de0: DEC 21040 [10Mb/s] pass 2.3
 de0: Ethernet address: 08:00:2b:e2:8f:02
 sym0: <810> port 0x10000-0x100ff mem 0x81009000-0x810090ff irq 1 at device 1.0 on pci0
 sym0: No NVRAM, ID 7, Fast-10, SE, parity checking
 sym0: [GIANT-LOCKED]
 eisab0: <PCI-EISA bridge> at device 2.0 on pci0
 eisa0: <EISA bus> on eisab0
 mainboard0: <DEC2a01 (System Board)> on eisa0 slot 0
 eisa0: unknown card CPQ3011 (0x0e113011) at slot 1
 isa0: <ISA bus> on eisab0
 ahc0: <Adaptec 2940 SCSI adapter> port 0x10100-0x101ff mem 0x81008000-0x81008fff irq 0 at device 6.0 on pci0
 ahc0: [GIANT-LOCKED]
 aic7870: Single Channel A, SCSI Id=7, 16/253 SCBs
 de1: <Digital 21040 Ethernet> port 0x10280-0x102ff mem 0x81009180-0x810091ff irq 4 at device 7.0 on pci0
 de1: DEC 21040 [10Mb/s] pass 2.3
 de1: Ethernet address: 08:00:2b:e4:d2:7c
 orm0: <ISA Option ROM> at iomem 0xc0000-0xc67ff on isa0
 ata0 at port 0x1f0-0x1f7,0x3f6 irq 14 on isa0
 ata1 at port 0x170-0x177,0x376 irq 15 on isa0
 atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
 atkbd0: <AT Keyboard> irq 1 on atkbdc0
 atkbd0: [GIANT-LOCKED]
 fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
 fdc0: [FAST]
 fd0: <1440-KB 3.5" drive> on fdc0 drive 0
 mcclock0: <MC146818A real time clock> at port 0x70-0x71 on isa0
 ppc0: <Parallel port> at port 0x3bc-0x3c3 irq 7 on isa0
 ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
 ppbus0: <Parallel port bus> on ppc0
 lpt0: <Printer> on ppbus0
 lpt0: Polled port
 ppi0: <Parallel I/O> on ppbus0
 sc0: <System console> on isa0
 sc0: VGA <16 virtual consoles, flags=0x0>
 sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
 sio0: type 16550A, console
 sio1: configured irq 3 not in bitmap of probed irqs 0
 sio1: port may not be enabled
 sio1 at port 0x2f8-0x2ff irq 3 flags 0x80 on isa0
 sio1: type 16550A
 vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
 Timecounter "i8254" frequency 1193182 Hz quality 0
 Timecounters tick every 0.976 msec
 Waiting 5 seconds for SCSI devices to settle
 SMP: AP CPU #1 Launched!
 cd0 at sym0 bus 0 target 5 lun 0
 cd0: <DEC RRD43   (C) DEC 1084> Removable CD-ROM SCSI-2 device
 cd0: 4.166MB/s transfers (4.166MHz, offset 8)
 cd0: cd present [49632 x 512 byte records]
 da0 at sym0 bus 0 target 0 lun 0
 da0: <QUANTUM XP39100S LYK8> Fixed Direct Access SCSI-2 device
 da0: 10.000MB/s transfers (10.000MHz, offset 8), Tagged Queueing Enabled
 da0: 8682MB (17781520 512 byte sectors: 255H 63S/T 1106C)
 Trying to mount root from ufs:/dev/da0a