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Re: choosing memtest from 8.1 on USB stick triggers reboot


I just tried booting "memtest" from Knopix 8.1, but it seems to work
fine on x86_64 as well as i386. See attached screenshot.

I don't know why it does not work on your Intel PC. Maybe something in
the firmware disables direct hardware (RAM) access, or the RAM type is
not supported by this version memtest86.


On 16.12.17, Felix Miata wrote:
> I burned 8.1 DVD iso to DVD-R, then booted it on an 8 year old Intel Dell and
> ran flash-knoppix to put it on an 8GB stick. I rebooted the DVD and was able to
> run memtest (5.01), and same rebooting to the stick.
> I put the stick in a brand new Kaby Lake Intel PC with no OM drive, booted to
> the Knoppix menu, typed in memtest, and it reboots instead of starting memtest,
> whether BIOS is set to legacy or to UEFI. Without doing anything at the Knoppix
> menu it boots to the Knoppix LXDE desktop.
> inxi and lspci output atttached
> -- 
> "Wisdom is supreme; therefore get wisdom. Whatever else you
> get, get wisdom." Proverbs 4:7 (New Living Translation)
>  Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
> Felix Miata  ***  http://fm.no-ip.com/

> # inxi -c0 -v7
> System:    Host: Microknoppix Kernel: 4.12.7-64 x86_64 bits: 64 gcc: 6.3.0 Console: tty 1 dm: kdm
>            Distro: Debian GNU/Linux buster/sid
> Machine:   Device: desktop System: Gigabyte product: B250M-D3H serial: N/A
>            Mobo: Gigabyte model: B250M-D3H-CF v: x.x serial: N/A UEFI: American Megatrends v: F8 date: 11/08/2017
> CPU:       Dual core Intel Pentium G4600 (-HT-MCP-) arch: Skylake rev.9 cache: 3072 KB
>            flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 14404
>            clock speeds: min/max: 800/3600 MHz 1: 1126 MHz 2: 801 MHz 3: 974 MHz 4: 2078 MHz
> Memory:    Array-1 capacity: 64 GB devices: 4 EC: None
>            Device-1: ChannelA-DIMM0 size: 4 GB speed: 2133 MT/s type: DDR4 (Synchronous)
>            bus width: 64 bits manufacturer: 8313 part: CL15-15-15 D4-2133 serial: N/A
>            Device-2: ChannelA-DIMM1 size: No Module Installed type: N/A
>            Device-3: ChannelB-DIMM0 size: 4 GB speed: 2133 MT/s type: DDR4 (Synchronous)
>            bus width: 64 bits manufacturer: 8313 part: CL15-15-15 D4-2133 serial: N/A
>            Device-4: ChannelB-DIMM1 size: No Module Installed type: N/A
> Graphics:  Card: Intel HD Graphics 630 bus-ID: 00:02.0 chip-ID: 8086:5912
>            Display Server: X.org 1.19.3 driver: i915 tty size: 240x75 Advanced Data: N/A for root out of X
> Audio:     Card Intel 200 Series PCH HD Audio driver: snd_hda_intel bus-ID: 00:1f.3 chip-ID: 8086:a2f0
>            Sound: Advanced Linux Sound Architecture v: k4.12.7-64
> Network:   Card: Intel Ethernet Connection (2) I219-V
>            driver: e1000e v: 3.2.6-k bus-ID: 00:1f.6 chip-ID: 8086:15b8
>            IF: eth0 state: up speed: 1000 Mbps duplex: full mac: 1c:...
>            WAN IP: 24.....
>            IF: eth0 ip-v4: 192.... ip-v6-link: fe80:...
> Drives:    HDD Total Size: 8.0GB (Used Error!)
>            ID-1: USB /dev/sda model: Cruzer_Edge size: 8.0GB serial: 2006077423112440A9FB-0:0 temp: 0C
>            Optical: No optical drives detected.
> Partition: ID-1: / size: 3.8G used: 52K (1%) fs: rootfs dev: N/A label: N/A uuid: N/A
>            ID-2: /mnt-system size: 6.5G used: 4.3G (65%) fs: vfat dev: /dev/sda1 label: KNOPPIX uuid: BEEB-2C20
>            ID-3: /KNOPPIX-DATA size: 965M used: 4.6M (1%) fs: reiserfs dev: /dev/sda2
>            label: KNOPPIX-DATA uuid: a73d1a4d-4903-43f0-abb5-6807a3827f1e
>            ID-4: swap-1 size: 4.29GB used: 0.00GB (0%) fs: swap dev: /dev/zram0 label: N/A uuid: N/A
> RAID:      No RAID data: /proc/mdstat missing-is md_mod kernel module loaded?
> Unmounted: No unmounted partitions detected
> Sensors:   System Temperatures: cpu: 29.8C mobo: 27.8C
>            Fan Speeds (in rpm): cpu: N/A
> Info:      Processes: 180 Uptime: 3 min Memory: 118.9/7874.3MB
>            Init: SysVinit v: 2.88 runlevel: 2 default: 5 Gcc sys: 6.4.0
>            Client: Shell (bash 4.4.121 running in tty 1) inxi: 2.3.37
> # lspci -nnk | grep -A5 VGA
> 00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 630 [8086:5912] (rev 04)
> 	Subsystem: Gigabyte Technology Co., Ltd HD Graphics 630 [1458:d000]
> 	Kernel driver in use: i915
> 	Kernel modules: i915
> 00:08.0 System peripheral [0880]: Intel Corporation Skylake Gaussian Mixture Model [8086:1911]
> 	Subsystem: Gigabyte Technology Co., Ltd Skylake Gaussian Mixture Model [1458:5000]

Attachment: memtest.png
Description: PNG image

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