NAME
dev - device data
SYNOPSIS
dev [-i | -p]
DESCRIPTION
If no argument is entered, this command dumps the contents of the chrdevs
and blkdevs arrays.
-i display I/O port usage; on 2.4 kernels, also display I/O memory usage.
-p display PCI device data.
EXAMPLES
Display the chrdevs and blkdevs array contents:
crash> dev
CHRDEV NAME OPERATIONS
1 mem c02c9580 <memory_fops>
2 pty c02c9280 <tty_fops>
3 ttyp c02c9280 <tty_fops>
4 ttyS c02c9280 <tty_fops>
5 cua c02c9280 <tty_fops>
7 vcs c02ca940 <vcs_fops>
10 misc c02c5480 <misc_fops>
128 ptm c02c9280 <tty_fops>
136 pts c02c9280 <tty_fops>
162 raw c02ca880 <raw_fops>
BLKDEV NAME OPERATIONS
2 fd c02c4fc0 <floppy_fops>
8 sd c02cec80 <sd_fops>
22 ide1 c02c4274 <ide_fops>
65 sd c02cec80 <sd_fops>
66 sd c02cec80 <sd_fops>
Display PCI data:
crash> dev -p
PCI_DEV BU:SL.FN CLASS: VENDOR-DEVICE
c00051c0 00:00.0 Host bridge: Intel 440BX - 82443BX Host
c0005250 00:01.0 PCI bridge: Intel 440BX - 82443BX AGP
c00052e0 00:07.0 ISA bridge: Intel 82371AB PIIX4 ISA
c0005370 00:07.1 IDE interface: Intel 82371AB PIIX4 IDE
c0005400 00:07.2 USB Controller: Intel 82371AB PIIX4 USB
c0005490 00:07.3 Bridge: Intel 82371AB PIIX4 ACPI
c0005520 00:11.0 Ethernet controller: 3Com 3C905B 100bTX
c00055b0 00:13.0 PCI bridge: DEC DC21152
c0005640 01:00.0 VGA compatible controller: NVidia [PCI_DEVICE 28]
c00056d0 02:0a.0 SCSI storage controller: Adaptec AIC-7890/1
c0005760 02:0e.0 SCSI storage controller: Adaptec AIC-7880U
Display I/O port and I/O memory usage:
crash> dev -i
RESOURCE RANGE NAME
c03036d4 0000-ffff PCI IO
c0302594 0000-001f dma1
c03025b0 0020-003f pic1
c03025cc 0040-005f timer
c03025e8 0060-006f keyboard
c0302604 0080-008f dma page reg
c0302620 00a0-00bf pic2
c030263c 00c0-00df dma2
c0302658 00f0-00ff fpu
c122ff20 0170-0177 ide1
c122f240 0213-0213 isapnp read
c122ff40 02f8-02ff serial(auto)
c122ff00 0376-0376 ide1
c03186e8 03c0-03df vga+
c122ff60 03f8-03ff serial(auto)
c123851c 0800-083f Intel Corporation 82371AB PIIX4 ACPI
c1238538 0840-085f Intel Corporation 82371AB PIIX4 ACPI
c122f220 0a79-0a79 isapnp write
c122f200 0cf8-0cff PCI conf1
c1238858 dc00-dc7f 3Com Corporation 3c905B 100BaseTX [Cyclone]
c122fc00 dc00-dc7f 00:11.0
c12380c8 dce0-dcff Intel Corporation 82371AB PIIX4 USB
c1238d1c e000-efff PCI Bus #02
c1237858 e800-e8ff Adaptec AIC-7880U
c1237458 ec00-ecff Adaptec AHA-2940U2/W / 7890
c1239cc8 ffa0-ffaf Intel Corporation 82371AB PIIX4 IDE
RESOURCE RANGE NAME
c03036f0 00000000-ffffffff PCI mem
c0004000 00000000-0009ffff System RAM
c03026ac 000a0000-000bffff Video RAM area
c03026fc 000c0000-000c7fff Video ROM
c0302718 000c9800-000cdfff Extension ROM
c0302734 000ce000-000ce7ff Extension ROM
c0302750 000ce800-000cffff Extension ROM
c03026e0 000f0000-000fffff System ROM
c0004040 00100000-07ffdfff System RAM
c0302674 00100000-0028682b Kernel code
c0302690 0028682c-0031c63f Kernel data
c0004060 07ffe000-07ffffff reserved
c1239058 ec000000-efffffff Intel Corporation 440BX/ZX - 82443BX/ZX Host
bridge
c1238d54 f1000000-f1ffffff PCI Bus #02
c1239554 f2000000-f5ffffff PCI Bus #01
c1237074 f4000000-f5ffffff nVidia Corporation Riva TnT2 [NV5]
c1238d38 fa000000-fbffffff PCI Bus #02
c1237874 faffe000-faffefff Adaptec AIC-7880U
c127ec40 faffe000-faffefff aic7xxx
c1237474 fafff000-faffffff Adaptec AHA-2940U2/W / 7890
c127eec0 fafff000-faffffff aic7xxx
c1239538 fc000000-fdffffff PCI Bus #01
c1237058 fc000000-fcffffff nVidia Corporation Riva TnT2 [NV5]
c1238874 fe000000-fe00007f 3Com Corporation 3c905B 100BaseTX [Cyclone]
c0004080 fec00000-fec0ffff reserved
c00040a0 fee00000-fee0ffff reserved
c00040c0 ffe00000-ffffffff reserved
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