Hi! I noticed that in Grub 2.00~beta3 the halt command just hangs my
system. Does anyone else experience this? Could it be broke?
I boot my system, hit "c" to get to command line, type "halt", and hit
enter. And I guess you could say that it's halting...but not in the
intended fashion.
This Grub I ran "halt" in was compiled for i386-pc (the one most
people would consider normal, as of 2012. BIOS 32-bit). This is what I
compiled it with:
./configure --disable-werror --enable-device-mapper
--enable-cache-stats --enable-efiemu
My computer is a Dell XPS 8300. I attached the output of lshw, in case
any hardware info is needed.
Today I was just playing around with Grub and was again amazed. I read
all the commands that show up from hitting tab. I thought the hardware
listers
and lsmmap were pretty cool. I wonder if the info given by lsmmap is
all the info needed to dump your BIOS (and just your BIOS) with dd
from /dev/mem in Linux.
Cheers,
Jake
vineyard
description: Desktop Computer
product: XPS 8300 ()
vendor: Winbond Electronics
serial: H5NJHQ1
width: 64 bits
capabilities: smbios-2.6 dmi-2.6 vsyscall64 vsyscall32
configuration: boot=normal chassis=desktop
uuid=44454C4C-3500-104E-804A-C8C04F485131
*-core
description: Motherboard
product: 0Y2MRG
vendor: Winbond Electronics
physical id: 0
version: A00
serial: ..CN7360413301RW.
slot: To Be Filled By O.E.M.
*-cpu
description: CPU
product: Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz
vendor: Intel Corp.
physical id: 4
bus info: cpu@0
version: Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz
serial: To Be Filled By O.E.M.
slot: CPU 1
size: 1600MHz
capacity: 1600MHz
width: 64 bits
clock: 100MHz
capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce
cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss
ht tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl
xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx
est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 x2apic popcnt aes xsave avx lahf_lm
ida arat epb xsaveopt pln pts tpr_shadow vnmi flexpriority ept vpid cpufreq
configuration: cores=4 enabledcores=1 threads=2
*-cache:0
description: L1 cache
physical id: 5
slot: L1-Cache
size: 256KiB
capacity: 256KiB
capabilities: internal write-through unified
*-cache:1
description: L2 cache
physical id: 6
slot: L2-Cache
size: 1MiB
capacity: 1MiB
capabilities: internal write-through unified
*-cache:2 DISABLED
description: L3 cache
physical id: 7
slot: L3-Cache
size: 8MiB
capacity: 8MiB
capabilities: internal write-back unified
*-memory
description: System Memory
physical id: 20
slot: System board or motherboard
size: 8GiB
*-bank:0
description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns)
product: M378B5773DH0-CH9
vendor: Samsung
physical id: 0
serial: 66253CD
slot: DIMM3
size: 2GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:1
description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns)
product: M378B5773DH0-CH9
vendor: Samsung
physical id: 1
serial: 66253CD
slot: DIMM1
size: 2GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:2
description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns)
product: M378B5773DH0-CH9
vendor: Samsung
physical id: 2
serial: 66253B2
slot: DIMM4
size: 2GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-bank:3
description: SODIMM DDR3 Synchronous 1333 MHz (0.8 ns)
product: M378B5773DH0-CH9
vendor: Samsung
physical id: 3
serial: 66253B2
slot: DIMM2
size: 2GiB
width: 64 bits
clock: 1333MHz (0.8ns)
*-firmware
description: BIOS
vendor: Winbond Electronics
physical id: 0
version: A03
date: 02/15/2011
size: 64KiB
capacity: 4032KiB
capabilities: mca pci upgrade shadowing escd cdboot bootselect
socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen
int9keyboard int14serial int17printer int10video acpi usb zipboot
biosbootspecification
*-pci
description: Host bridge
product: 2nd Generation Core Processor Family DRAM Controller
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 09
width: 32 bits
clock: 33MHz
*-pci:0
description: PCI bridge
product: 2nd Generation Core Processor Family PCI Express Root Port
vendor: Intel Corporation
physical id: 1
bus info: pci@0000:00:01.0
version: 09
width: 32 bits
clock: 33MHz
capabilities: pci pm msi pciexpress normal_decode bus_master
cap_list
configuration: driver=pcieport
resources: irq:40 ioport:e000(size=4096) memory:fe600000-fe6fffff
ioport:d0000000(size=268435456)
*-display
description: VGA compatible controller
product: Redwood [Radeon HD 5670]
vendor: ATI Technologies Inc
physical id: 0
bus info: pci@0000:01:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master
cap_list rom
configuration: driver=fglrx_pci latency=0
resources: irq:47 memory:d0000000-dfffffff
memory:fe620000-fe63ffff ioport:e000(size=256) memory:fe600000-fe61ffff
*-multimedia
description: Audio device
product: Redwood HDMI Audio [Radeon HD 5600 Series]
vendor: ATI Technologies Inc
physical id: 0.1
bus info: pci@0000:01:00.1
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list
configuration: driver=HDA Intel latency=0
resources: irq:45 memory:fe640000-fe643fff
*-communication UNCLAIMED
description: Communication controller
product: 6 Series Chipset Family MEI Controller #1
vendor: Intel Corporation
physical id: 16
bus info: pci@0000:00:16.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: latency=0
resources: memory:fe704000-fe70400f
*-usb:0
description: USB Controller
product: 6 Series Chipset Family USB Enhanced Host Controller #2
vendor: Intel Corporation
physical id: 1a
bus info: pci@0000:00:1a.0
version: 05
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci_hcd latency=0
resources: irq:16 memory:fe703000-fe7033ff
*-pci:1
description: PCI bridge
product: 6 Series Chipset Family PCI Express Root Port 1
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: b5
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master
cap_list
configuration: driver=pcieport
resources: irq:41 memory:fe500000-fe5fffff
*-network
description: Wireless interface
product: BCM4313 802.11b/g/n Wireless LAN Controller
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth1
version: 01
serial: c0:f8:da:66:04:90
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet
physical wireless
configuration: broadcast=yes driver=wl0
driverversion=5.100.82.38 ip=10.55.62.43 latency=0 multicast=yes wireless=IEEE
802.11
resources: irq:16 memory:fe500000-fe503fff
*-pci:2
description: PCI bridge
product: 6 Series Chipset Family PCI Express Root Port 4
vendor: Intel Corporation
physical id: 1c.3
bus info: pci@0000:00:1c.3
version: b5
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master
cap_list
configuration: driver=pcieport
resources: irq:42 memory:fe400000-fe4fffff
*-network
description: Ethernet interface
product: NetLink BCM57788 Gigabit Ethernet PCIe
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: eth0
version: 01
serial: 78:2b:cb:94:9f:17
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet
physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3
driverversion=3.116 duplex=full firmware=sb ip=10.55.62.15 latency=0 link=yes
multicast=yes port=MII speed=100Mbit/s
resources: irq:46 memory:fe400000-fe40ffff
*-pci:3
description: PCI bridge
product: 6 Series Chipset Family PCI Express Root Port 5
vendor: Intel Corporation
physical id: 1c.4
bus info: pci@0000:00:1c.4
version: b5
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master
cap_list
configuration: driver=pcieport
resources: irq:43 memory:fe300000-fe3fffff
*-pci
description: PCI bridge
product: [SB X-Fi Xtreme Audio] CA0110-IBG PCI to PCIe Bridge
vendor: Creative Labs
physical id: 0
bus info: pci@0000:04:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pci pm msi pciexpress normal_decode bus_master
cap_list
resources: iomemory:228001f10-228001f0f memory:fe300000-fe3fffff
*-multimedia
description: Audio device
product: [SB X-Fi Xtreme Audio] CA0110-IBG
vendor: Creative Labs
physical id: 0
bus info: pci@0000:05:00.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list
configuration: driver=HDA Intel latency=32 maxlatency=20
mingnt=2
resources: irq:16 memory:fe300000-fe303fff
*-usb:1
description: USB Controller
product: 6 Series Chipset Family USB Enhanced Host Controller #1
vendor: Intel Corporation
physical id: 1d
bus info: pci@0000:00:1d.0
version: 05
width: 32 bits
clock: 33MHz
capabilities: pm debug ehci bus_master cap_list
configuration: driver=ehci_hcd latency=0
resources: irq:23 memory:fe702000-fe7023ff
*-isa
description: ISA bridge
product: H67 Express Chipset Family LPC Controller
vendor: Intel Corporation
physical id: 1f
bus info: pci@0000:00:1f.0
version: 05
width: 32 bits
clock: 33MHz
capabilities: isa bus_master cap_list
configuration: latency=0
*-storage
description: SATA controller
product: 6 Series Chipset Family 6 port SATA AHCI Controller
vendor: Intel Corporation
physical id: 1f.2
bus info: pci@0000:00:1f.2
logical name: scsi0
logical name: scsi1
logical name: scsi2
version: 05
width: 32 bits
clock: 66MHz
capabilities: storage msi pm ahci_1.0 bus_master cap_list emulated
configuration: driver=ahci latency=0
resources: irq:44 ioport:f070(size=8) ioport:f060(size=4)
ioport:f050(size=8) ioport:f040(size=4) ioport:f020(size=32)
memory:fe701000-fe7017ff
*-disk
description: ATA Disk
product: ST31500341AS
vendor: Seagate
physical id: 0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: CC4G
serial: 9VS51LLD
size: 1397GiB (1500GB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 signature=94f81ddc
*-volume:0
description: Windows FAT volume
vendor: Winbond Electronics
physical id: 1
bus info: scsi@0:0.0.0,1
logical name: /dev/sda1
version: FAT16
serial: 5450-4444
size: 39MiB
capacity: 39MiB
capabilities: primary fat initialized
configuration: FATs=2 filesystem=fat label=DellUtility
*-volume:1
description: Windows NTFS volume
physical id: 2
bus info: scsi@0:0.0.0,2
logical name: /dev/sda2
version: 3.1
serial: 6a95-802a
size: 12GiB
capacity: 12GiB
capabilities: primary bootable ntfs initialized
configuration: clustersize=4096 created=2011-05-30 09:21:07
filesystem=ntfs label=RECOVERY state=clean
*-volume:2
description: Windows NTFS volume
physical id: 3
bus info: scsi@0:0.0.0,3
logical name: /dev/sda3
logical name: /media/internal/windows
version: 3.1
serial: 440a010d-6faa-0647-a6dd-28770a10aacb
size: 78GiB
capacity: 78GiB
capabilities: primary ntfs initialized
configuration: clustersize=4096 created=2011-05-30 09:21:11
filesystem=ntfs label=OS modified_by_chkdsk=true mount.fstype=fuseblk
mount.options=rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096
mounted_on_nt4=true resize_log_file=true state=mounted upgrade_on_mount=true
*-volume:3
description: Extended partition
physical id: 4
bus info: scsi@0:0.0.0,4
logical name: /dev/sda4
size: 1306GiB
capacity: 1306GiB
capabilities: primary extended partitioned
partitioned:extended
*-logicalvolume:0
description: Linux filesystem partition
physical id: 5
logical name: /dev/sda5
logical name: /
capacity: 1304GiB
configuration: mount.fstype=ext3
mount.options=rw,relatime,errors=remount-ro,user_xattr,commit=5,barrier=0,data=ordered
state=mounted
*-logicalvolume:1
description: Linux swap / Solaris partition
physical id: 6
logical name: /dev/sda6
capacity: 2499MiB
capabilities: nofs
*-cdrom:0
description: DVD-RAM writer
product: DVD+-RW DH-16ABS
vendor: PLDS
physical id: 1
bus info: scsi@1:0.0.0
logical name: /dev/cdrom1
logical name: /dev/cdrw1
logical name: /dev/dvd1
logical name: /dev/dvdrw1
logical name: /dev/scd0
logical name: /dev/sr0
version: PD11
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
configuration: ansiversion=5 status=nodisc
*-cdrom:1
description: DVD-RAM writer
product: DVDRWBD CH20N
vendor: HL-DT-ST
physical id: 0.0.0
bus info: scsi@2:0.0.0
logical name: /dev/cdrom
logical name: /dev/cdrw
logical name: /dev/dvd
logical name: /dev/dvdrw
logical name: /dev/scd1
logical name: /dev/sr1
version: A201
capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
configuration: ansiversion=5 status=nodisc
*-serial UNCLAIMED
description: SMBus
product: 6 Series Chipset Family SMBus Controller
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 05
width: 64 bits
clock: 33MHz
configuration: latency=0
resources: memory:fe700000-fe7000ff ioport:f000(size=32)
*-scsi
physical id: 1
bus info: usb@2:1.8
logical name: scsi6
capabilities: emulated scsi-host
configuration: driver=usb-storage
*-disk:0
description: SCSI Disk
physical id: 0.0.0
bus info: scsi@6:0.0.0
logical name: /dev/sdb
*-disk:1
description: SCSI Disk
physical id: 0.0.1
bus info: scsi@6:0.0.1
logical name: /dev/sdc
*-disk:2
description: SCSI Disk
physical id: 0.0.2
bus info: scsi@6:0.0.2
logical name: /dev/sdd
*-disk:3
description: SCSI Disk
product: MS/MS-Pro
vendor: Generic-
physical id: 0.0.3
bus info: scsi@6:0.0.3
logical name: /dev/sde
version: 1.03
serial: 3
capabilities: removable
*-medium
physical id: 0
logical name: /dev/sde
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