The following sequence induces an instant panic: 1) machine just up, no load 2) mount_devfs devfs /test/dev 3) chroot /test /bin/sh 4) ls /dev *PANIC* panic: kmem_malloc(-1905729536): kmem_map too small: 6881290 total allocated Dumping 8191 MB (3 chunks) chunk 0: 1MB (156 pages) ( dump fails to finish ) Kernel: GENERIC AMD64 6.0 Beta 5 I am aware of the VM_KMEM_SIZE_MAX kernel setting, but thought I'd drop a line on the list now because kmem_malloc(-1905729536) seems rather unusual to me. Thanks, Jon sysctl -a | grep kmem vm.kmem_size_scale: 3 vm.kmem_size_max: 419430400 vm.kmem_size: 419430400 Copyright (c) 1992-2005 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 6.0-BETA5 #0: Sat Oct 8 15:44:03 PDT 2005 xxx_at_xxxx:/usr/obj/usr/src/sys/SHELL Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: AMD Opteron(tm) Processor 250 (2390.61-MHz K8-class CPU) Origin = "AuthenticAMD" Id = 0xf5a Stepping = 10 Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CM OV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2> AMD Features=0xe0500800<SYSCALL,NX,MMX+,LM,3DNow+,3DNow> real memory = 9663676416 (9216 MB) avail memory = 8285224960 (7901 MB) ACPI APIC Table: <A M I OEMAPIC > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 MADT: Forcing active-low polarity and level trigger for SCI ioapic0 <Version 1.1> irqs 0-23 on motherboard ioapic1 <Version 1.1> irqs 24-27 on motherboard ioapic2 <Version 1.1> irqs 28-31 on motherboard acpi0: <A M I OEMRSDT> on motherboard acpi0: Power Button (fixed) pci_link0: <ACPI PCI Link LNKA> irq 11 on acpi0 pci_link1: <ACPI PCI Link LNKB> irq 10 on acpi0 pci_link2: <ACPI PCI Link LNKC> irq 0 on acpi0 pci_link3: <ACPI PCI Link LNKD> irq 9 on acpi0 Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x5008-0x500b on acpi0 cpu0: <ACPI CPU> on acpi0 acpi_throttle0: <ACPI CPU Throttling> on cpu0 cpu1: <ACPI CPU> on acpi0 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 pci0: <ACPI PCI bus> on pcib0 pcib1: <ACPI PCI-PCI bridge> at device 6.0 on pci0 pci3: <ACPI PCI bus> on pcib1 ohci0: <OHCI (generic) USB controller> mem 0xfc8fd000-0xfc8fdfff irq 19 at devic e 0.0 on pci3 ohci0: [GIANT-LOCKED] usb0: OHCI version 1.0, legacy support usb0: SMM does not respond, resetting usb0: <OHCI (generic) USB controller> on ohci0 usb0: USB revision 1.0 uhub0: AMD OHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 3 ports with 3 removable, self powered ohci1: <OHCI (generic) USB controller> mem 0xfc8fe000-0xfc8fefff irq 19 at devic e 0.1 on pci3 ohci1: [GIANT-LOCKED] usb1: OHCI version 1.0, legacy support usb1: SMM does not respond, resetting usb1: <OHCI (generic) USB controller> on ohci1 usb1: USB revision 1.0 uhub1: AMD OHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub1: 3 ports with 3 removable, self powered atapci0: <SiI 3114 SATA150 controller> port 0xbc00-0xbc07,0xb800-0xb803,0xb400-0 xb407,0xb000-0xb003,0xac00-0xac0f mem 0xfc8ffc00-0xfc8fffff irq 17 at device 11. 0 on pci3 ata2: <ATA channel 0> on atapci0 ata3: <ATA channel 1> on atapci0 ata4: <ATA channel 2> on atapci0 ata5: <ATA channel 3> on atapci0 isab0: <PCI-ISA bridge> at device 7.0 on pci0 isa0: <ISA bus> on isab0 atapci1: <AMD 8111 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376, 0xffa0-0xffaf at device 7.1 on pci0 ata0: <ATA channel 0> on atapci1 ata1: <ATA channel 1> on atapci1 pci0: <serial bus, SMBus> at device 7.2 (no driver attached) pci0: <bridge> at device 7.3 (no driver attached) pci0: <multimedia, audio> at device 7.5 (no driver attached) pcib2: <ACPI PCI-PCI bridge> at device 10.0 on pci0 pci2: <ACPI PCI bus> on pcib2 bge0: <Broadcom BCM5703 Gigabit Ethernet, ASIC rev. 0x1002> mem 0xfc6f0000-0xfc6 fffff irq 24 at device 9.0 on pci2 miibus0: <MII bus> on bge0 brgphy0: <BCM5703 10/100/1000baseTX PHY> on miibus0 brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX, 1000baseTX -FDX, auto bge0: Ethernet address: 00:e0:81:2d:a3:dc pci0: <base peripheral, interrupt controller> at device 10.1 (no driver attached ) pcib3: <ACPI PCI-PCI bridge> at device 11.0 on pci0 pci1: <ACPI PCI bus> on pcib3 pci0: <base peripheral, interrupt controller> at device 11.1 (no driver attached ) pcib4: <ACPI Host-PCI bridge> on acpi0 pci4: <ACPI PCI bus> on pcib4 agp0: <AMD 8151 AGP graphics tunnel> mem 0xf0000000-0xf7ffffff at device 0.0 on pci4 pcib5: <ACPI PCI-PCI bridge> at device 1.0 on pci4 pci5: <ACPI PCI bus> on pcib5 pci5: <display, VGA> at device 0.0 (no driver attached) acpi_button0: <Power Button> on acpi0 sio0: configured irq 4 not in bitmap of probed irqs 0 sio0: port may not be enabled sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 sio0: type 16550A sio1: configured irq 3 not in bitmap of probed irqs 0 sio1: port may not be enabled sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0 sio1: type 16550A fdc0: <floppy drive controller (FDE)> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on acpi 0 fdc0: [FAST] fd0: <1440-KB 3.5" drive> on fdc0 drive 0 orm0: <ISA Option ROMs> at iomem 0xc0000-0xc97ff,0xc9800-0xcdfff on isa0 atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0 ppc0: cannot reserve I/O port range sc0: <System console> at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 uhub2: NMB Dell USB Keyboard Hub, class 9/0, rev 1.10/0.01, addr 2 uhub2: 3 ports with 2 removable, bus powered ukbd0: NMB Dell USB 7HK Keyboard, rev 1.10/0.01, addr 3, iclass 3/1 kbd0 at ukbd0 uhid0: NMB Dell USB 7HK Keyboard, rev 1.10/0.01, addr 3, iclass 3/1 Timecounters tick every 1.000 msec acd0: CDROM <TOSHIBA CD-ROM XM-6002B/0527> at ata1-master PIO3 ad6: 70911MB <WDC WD740GD-50FLA1 27.08D27> at ata3-master SATA150 SMP: AP CPU #1 Launched! Trying to mount root from ufs:/dev/ad6s1aReceived on Fri Oct 14 2005 - 07:07:20 UTC
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