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[ubuntu] PCIe Bus Error, system doesn't boot

December 13, 2019, 3:15 pm
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Hello everyone.

I went away from my pc and Ubuntu went in sleep mode. When I came back for logging in, the log in page was having issues and got stuck, so I managed to reboot the system and got this error: (see thumbnail)



So I tried rebooting again and didn't got errors but now Ubuntu doesn't boot anymore.
I even tried to use recovery mode and run fsck and got
Code:
/lib/recovery-mode/recovery-menu: line 80: /etc/default/rcS: File or directory not existing
And nothing more happens. I also tried to use the dpkg option and seems like nothing happened.
Using Ubuntu 19.10
Attached Images
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18.04 Server: NVME issues with Software RAID - device not ready so it gets dropped

December 13, 2019, 6:07 pm
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Hi,

This setup was working fine -- Ubuntu 18.04 Server installation using software RAID 1 for system disk. Now, the OS only see's one of the two NVME's! Very confusing situation. How can I determine if this is indeed a hardware failure or some sort of incompatibility?

Here's what I see in the journal:

Dec 06 14:26:15 inferno kernel: nvme nvme1: Device not ready; aborting initialisation
Dec 06 14:26:15 inferno kernel: nvme nvme1: Removing after probe failure status: -19

cat /proc/mdstat:
md1 : inactive nvme0n1p2[1](S)
975872 blocks super 1.2

lshw (snippet):

*-storage
description: Non-Volatile memory controller
product: SSD Pro 7600p/760p/E 6100p Series
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:05:00.0
version: 03
width: 64 bits
clock: 33MHz
capabilities: storage pm msi pciexpress msix nvm_express bus_master cap_list
configuration: driver=nvme latency=0
resources: irq:16 memory:90600000-90603fff


Just to show it was indeed working:

ec 02 12:54:21 inferno os-prober[23155]: debug: running /usr/lib/os-probes/mounted/05efi on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno 05efi[23157]: debug: /dev/nvme0n1p1 is a FAT32 partition
Dec 02 12:54:21 inferno 05efi[23165]: debug: /dev/nvme0n1p1 partition scheme is gpt
Dec 02 12:54:21 inferno 05efi[23166]: debug: /dev/nvme0n1p1 partition type is c12a7328-f81f-11d2-ba4b-00a0c93ec93b
Dec 02 12:54:21 inferno os-prober[23178]: debug: running /usr/lib/os-probes/mounted/10freedos on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno 10freedos[23180]: debug: /dev/nvme0n1p1 is a FAT32 partition
Dec 02 12:54:21 inferno os-prober[23183]: debug: running /usr/lib/os-probes/mounted/10qnx on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno 10qnx[23185]: debug: /dev/nvme0n1p1 is not a QNX4 partition: exiting
Dec 02 12:54:21 inferno os-prober[23186]: debug: running /usr/lib/os-probes/mounted/20macosx on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno macosx-prober[23188]: debug: /dev/nvme0n1p1 is not an HFS+ partition: exiting
Dec 02 12:54:21 inferno os-prober[23189]: debug: running /usr/lib/os-probes/mounted/20microsoft on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno os-prober[23192]: debug: running /usr/lib/os-probes/mounted/30utility on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno 30utility[23194]: debug: /dev/nvme0n1p1 is a FAT32 partition
Dec 02 12:54:21 inferno os-prober[23199]: debug: running /usr/lib/os-probes/mounted/40lsb on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno os-prober[23201]: debug: running /usr/lib/os-probes/mounted/70hurd on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno os-prober[23203]: debug: running /usr/lib/os-probes/mounted/80minix on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno os-prober[23205]: debug: running /usr/lib/os-probes/mounted/83haiku on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno 83haiku[23207]: debug: /dev/nvme0n1p1 is not a BeFS partition: exiting
Dec 02 12:54:21 inferno os-prober[23208]: debug: running /usr/lib/os-probes/mounted/90linux-distro on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno os-prober[23213]: debug: running /usr/lib/os-probes/mounted/90solaris on mounted /dev/nvme0n1p1
Dec 02 12:54:21 inferno os-prober[23218]: debug: /dev/nvme0n1p2: part of software raid array
Dec 02 12:54:21 inferno os-prober[23222]: debug: /dev/nvme0n1p3: part of software raid array
Dec 02 12:54:22 inferno os-prober[23228]: debug: running /usr/lib/os-probes/50mounted-tests on /dev/nvme1n1p1
Dec 02 12:54:22 inferno 05efi[23251]: debug: /dev/nvme1n1p1 is a FAT partition (mounted by GRUB)
Dec 02 12:54:22 inferno 05efi[23259]: debug: /dev/nvme1n1p1 partition scheme is gpt
Dec 02 12:54:22 inferno 05efi[23260]: debug: /dev/nvme1n1p1 partition type is c12a7328-f81f-11d2-ba4b-00a0c93ec93b
Dec 02 12:54:22 inferno 10freedos[23274]: debug: /dev/nvme1n1p1 is a FAT partition (mounted by GRUB)
Dec 02 12:54:22 inferno 10qnx[23279]: debug: /dev/nvme1n1p1 is not a QNX4 partition: exiting
Dec 02 12:54:22 inferno macosx-prober[23282]: debug: /dev/nvme1n1p1 is not an HFS+ partition: exiting
Dec 02 12:54:22 inferno 30utility[23288]: debug: /dev/nvme1n1p1 is a FAT partition (mounted by GRUB)
Dec 02 12:54:22 inferno 83haiku[23301]: debug: /dev/nvme1n1p1 is not a BeFS partition: exiting
Dec 02 12:54:22 inferno os-prober[23316]: debug: /dev/nvme1n1p2: part of software raid array
Dec 02 12:54:22 inferno os-prober[23320]: debug: /dev/nvme1n1p3: part of software raid array
Dec 02 17:08:06 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 02 17:08:06 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 02 17:08:06 inferno kernel: nvme0n1: p1 p2 p3
Dec 02 17:08:06 inferno kernel: nvme1n1: p1 p2 p3
Dec 02 17:08:06 inferno systemd-fsck[579]: /dev/nvme1n1p1: 12 files, 1558/124424 clusters
Dec 02 17:23:48 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 02 17:23:48 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 02 17:23:48 inferno kernel: nvme0n1: p1 p2 p3
Dec 02 17:23:48 inferno kernel: nvme1n1: p1 p2 p3
Dec 02 17:23:49 inferno systemd-fsck[554]: /dev/nvme1n1p1: 12 files, 1558/124424 clusters
Dec 02 20:02:26 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 02 20:02:26 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 02 20:02:26 inferno kernel: nvme0n1: p1 p2 p3
Dec 02 20:02:26 inferno kernel: nvme1n1: p1 p2 p3
Dec 02 20:02:26 inferno systemd-fsck[621]: /dev/nvme1n1p1: 12 files, 1558/124424 clusters
Dec 02 21:25:48 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 02 21:25:48 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 02 21:25:48 inferno kernel: nvme0n1: p1 p2 p3
Dec 02 21:25:48 inferno kernel: nvme1n1: p1 p2 p3
Dec 02 21:25:48 inferno systemd-fsck[559]: /dev/nvme1n1p1: 12 files, 1558/124424 clusters
Dec 02 21:37:54 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 02 21:37:54 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 02 21:37:54 inferno kernel: nvme0n1: p1 p2 p3
Dec 02 21:37:54 inferno kernel: nvme1n1: p1 p2 p3
Dec 02 21:37:54 inferno systemd-fsck[713]: /dev/nvme0n1p1: 12 files, 1558/124424 clusters
Dec 02 21:48:45 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 02 21:48:45 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 02 21:48:45 inferno kernel: nvme1n1: p1 p2 p3
Dec 02 21:48:45 inferno kernel: nvme0n1: p1 p2 p3
Dec 02 21:48:45 inferno systemd-fsck[588]: /dev/nvme0n1p1: 12 files, 1558/124424 clusters
Dec 03 11:10:47 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 03 11:10:47 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 03 11:10:47 inferno kernel: nvme1n1: p1 p2 p3
Dec 03 11:10:47 inferno kernel: nvme0n1: p1 p2 p3
Dec 03 11:10:48 inferno systemd-fsck[744]: /dev/nvme1n1p1: 12 files, 1558/124424 clusters
Dec 03 19:59:27 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 03 19:59:27 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 03 19:59:27 inferno kernel: nvme0n1: p1 p2 p3
Dec 03 19:59:27 inferno kernel: nvme1n1: p1 p2 p3
Dec 03 19:59:27 inferno systemd-fsck[635]: /dev/nvme0n1p1: 12 files, 1558/124424 clusters
Dec 03 20:03:31 inferno kernel: nvme nvme0: pci function 0000:05:00.0
Dec 03 20:03:31 inferno kernel: nvme nvme1: pci function 0000:0a:00.0
Dec 03 20:03:31 inferno kernel: nvme0n1: p1 p2 p3
Dec 03 20:03:31 inferno kernel: nvme1n1: p1 p2 p3
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Problems with very large hard disk drives: 4TB

December 15, 2019, 7:55 pm
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My computer (home build)
motherboard: Asus M5A78L-M, chipset: AMD RS780, BIOS: AMI 1303
CPU: AMD FX-8320 x 8 @ 3.5GHz
RAM: 8GB, DDR3: PC3-10600
IDE PCI board:
40GB: Maxtor 6L040J2
80GB: WD800JB
SATA on motherboard
2.0TB: Western Digital WD20EZEX
3.0TB: Hitachi HUA72303
ATAPI DVD-RW
Video: NVidia GeForce 210
VGA: Samsung
DVI: Samsung
OS: Ubuntu 18.04.03 LTS, Linux 4.15.0-73


Using a JMicron SATA to USB plug and power supply
I connected a Western Digital WD Blue WD40EZRZ SATA 6Gb/s
I first plugged it into a Microsoft Surface Pro running Windows 10
(up to date as of today: 15 December 2019) and started the program
CrystalDisk to check the drive. It had been formatted to NTSF. I moved
two data files to the drive; the surface pro read the data files into
NotePad easily. The partition appears to be GUID


I connected it to my Linux computer (specs above) and the Disks program
showed it to be a 1.8TB, partitioning unknown (PMBR); the fdisk -l program
also showed it to be a 1.8TB with unknown partitions; the graphical GParted
would not read the drive. sfdisk would not read the disk. cfdisk would not
read the disk; parted would not read the disk.


Is there a problem with Ubuntu 18.04.03 and very large disk drives?
Is the problem in the USB driver in reading very large disk drives?

I also had similar problems with a new/unused 3TB HGST SATA drive (HUA723030ALA640).
It showed as an 801GB drive with all Linux partition programs and also under Windows 10 Disk Manager.
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[ubuntu] Help getting Ubuntu 19.10 working on HP Z200

December 17, 2019, 6:03 am
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I have a HP Z200 that I would like to run Ubuntu on. I have a SSD running Ubuntu 19.10. It floats from computer to computer at the moment. I have run it from both of my laptops and another desktop at different times. The HP Z200 refuses to boot from it. No GRUB, nothing. I can boot from a HDD with Windows 7 on it fine.

There are no options to turn off UEFI boot and turn on Legacy boot in the BIOS. It has the latest BIOS update, v1.19.

Any other options getting this old PC to run the latest version of Ubuntu?
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[ubuntu] Brightness and Contrast unstable

December 17, 2019, 7:28 am
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When I upgraded to 18.04LTS I found that my video display was rather unstable. I'd set the brightness/contrast/gamma once and suddenly it would jump to very bright and a loss of contrast with colors washing out. When I reset it, the same thing would happen again periodically during the day. I use the NVIDIA XServer video interface to set sliders where I want them.

My system: NVIDIA GT710 running NVIDIA driver set 340.107. My desktop is XFCE

The display will sometimes reset itself if I simply open the XServer interface, suddenly jumping back to the settings I want without me touching a single slider. Other times, I have to move them to reset things the way I want them.

ANy ideas?

Bill
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Using Intel Optane on Win 10 / Ubuntu dual boot

December 17, 2019, 4:21 pm
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I’m trying to use an Optane Memory in my dual boot system, but I’ve been getting this “problem loading uefi db x.509 certificate (-65)” error on every boot. Secure boot already disabled and for some reason Legacy isn’t available.
I know that Optane is not supported on Linux but I really need it on Windows, and unfortunatly I still need Windows. Does anyone know how to fix this?
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Ubuntu installation on a Dell Inspiron 17 3780 hybrid drive

December 18, 2019, 5:10 am
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Hello,

I am considering buying a new laptop to dual boot Windows 10 and a Ubuntu LTS release. On my shortlist is the Dell Inspiron 17 3780 Intel Core i5-8265U, 8 GB RAM, 128 GB SSD + 1 TB HDD, AMD Radeon 520 2 GB (https://www.amazon.co.uk/Dell-17-3-I.../dp/B07MJ29RSR). This will be the first computer I've owned with a hybrid drive. According to this Ubuntu Certification page the laptop is compatible with Linux, although I'm not sure if the drive is the same.

Reading around linux and hybrid drives, I'm getting very confused. According to this, hybrid drives can not be split into two separate drives, whilst these instructions on Ask Ubuntu indicate that you can.

My questions are:

  • Has anyone installed Ubuntu on this computer and dual booted?
  • Is 128 GB enough for Windows 10, the Dell stuff, and Ubuntu?
  • What's the recommended installation/partitioning procedure for hybrid drives? Do I follow the Ask Ubuntu instructions?


Thank you in advance for any advice you might be able offer. :)
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USB drive 'disappears' during use.

December 18, 2019, 5:28 am
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Using Ubuntu 18 LTS 64-bit, all patches applied, PC is an AMD Phenom x2 6-core, 8 GB of RAM. I have an 8 TB USB 3.0 Western Digital drive attached, this drive AND the backup drive (same specifications) have a habit of 'disappearing' when in use. By that, I mean that I can be playing a video from the drive, all of a sudden the video will stop playing. When I try to investigate, a df still shows the drive connected with the correct usage details, but if I try to access the files on the drive, it's just like the drive wasn't connected, i.e. I can change into the directory which is the mount point, but there are no subdirectories or files visible if I try an ls -l - this is not just playing videos, I was using Filezilla this morning and downloading into a directory on the drive, all of a sudden the download aborted with an error, same symptoms, the drive had disappeared again.

I've tried different USB ports, and obviously the two drives have their own power supplies and cables, so that's not the answer. It's not a frequent occurrence, just often enough to be annoying. I did a test on the backup drive, wrote a program which created a multi-terabyte random access file and then just went back and forth through the file, writing and reading binary patterns, and it took about 30 hours for the problem to occur. The error codes from the program just gave me a 'no such file' status on one of the reads.

Western Digital support is hopeless, the moment I mention Linux they throw a hissy fit and tell me that they can do nothing for me. I managed to get them to RMA one drive, but they've not managed to ship me a working replacement yet (third attempt in progress!)

Afterthought: The drive is formatted as one humongous ext4 partition mounted at /multimedia, and yes, when I look at the df and ls output, it's as root, it's not some kind of permissions problem.



Does anybody have any ideas, please?
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[18.04] Nvidia driver loads but can't use in gnome

December 19, 2019, 2:37 am
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I have the Nvidia 440 driver installed OK and running and prime-selected but my system won't seem to use it. See below outputs

When I run nvidia-settings, it complains that "You do not appear to be not running the Nvidia X driver", and the settings --> about screen still shows intel UHD. I tried a game in steam and it was a stutterfest, definitely not running on the Nvidia 1050Ti.
However some other nvidia commands show the correct driver etc. and recognised so its there, and driver installed, but how do I actually use it?

This is a new stock fully updated 18.04.3 install with the XPS15 respin script (https://github.com/JackHack96/dell-x...-ubuntu-respin) and yes I am running a Dell XPS 9570.

xxx@dellbot:~$ nvidia-smi
Thu Dec 19 21:32:43 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 440.44 Driver Version: 440.44 CUDA Version: 10.2 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+================= =====+======================|
| 0 GeForce GTX 105... Off | 00000000:01:00.0 Off | N/A |
| N/A 37C P8 N/A / N/A | 32MiB / 4042MiB | 0% Default |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|================================================= ============================|
| 0 3409 G /usr/lib/xorg/Xorg 32MiB |
+-----------------------------------------------------------------------------+

xxx@dellbot:~$ prime-select query
nvidia

xxx@dellbot:~$ lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:3e9b] (prog-if 00 [VGA controller])


xxx@dellbot:~$ glxinfo|egrep "OpenGL vendor|OpenGL renderer*"
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) UHD Graphics 630 (Coffeelake 3x8 GT2)
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[SOLVED] Brother MFC 7440N Printer and Scanner working USB-Connection

December 19, 2019, 10:39 am
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sudo nano /lib/udev/rules.d/40

ACTION!="add", GOTO="libsane_rules_end"
ENV{DEVTYPE}=="usb_device", GOTO="libsane_create_usb_dev"
SUBSYSTEMS=="scsi", GOTO="libsane_scsi_rules_begin"
SUBSYSTEM=="usb_device", GOTO="libsane_usb_rules_begin"
SUBSYSTEM!="usb_device", GOTO="libsane_usb_rules_end"

# Kernel >= 2.6.22 jumps here
LABEL="libsane_create_usb_dev"

# For Linux >= 2.6.22 without CONFIG_USB_DEVICE_CLASS=y
# If the following rule does not exist on your system yet, uncomment it
# ENV{DEVTYPE}=="usb_device", MODE="0664", OWNER="root", GROUP="root"

# Kernel < 2.6.22 jumps here
LABEL="libsane_usb_rules_begin"

# Brother MFC-7440N
SYSFS{idVendor}=="04f9", SYSFS{idProduct}=="01e6", MODE="664", GROUP="scanner"

ENV{libsane_matched}=="yes", RUN+="/bin/setfacl -m g:scanner:rw $env{DEVNAME}"

LABEL="libsane_usb_rules_end"

sudo ln -sfr /usr/lib64/libbrscandec* /usr/lib/x86_64-linux-gnu

sudo ln -sfr /usr/lib64/sane/libsane-brother* /usr/lib/x86_64-linux-gnu/sane

// Reboot computer and scanner via power switch and then you ar done.
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[ubuntu] is this computer very linux compatible? i plan to buy the hebrew keyboard version

December 19, 2019, 11:46 am
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[other] external graphics card for a laptop

December 19, 2019, 1:27 pm
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I am wondering if anyone has added an external GPU to their laptop. I am not sure how Ubuntu will work well switch back and forth from internal and external GPU.
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Can I play games on Ubuntu?

December 19, 2019, 5:10 pm
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Hey there,

I was thinking about playing my favorite game Overwatch on it, but can you run it? I've heard from some of my friends that you can't play it on Ubuntu, that is why I wanted to check it if it's possible.

Thank you so much! :KS
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[ubuntu] Printer problems, used to work fine, now won't print from Ubuntu

December 19, 2019, 7:15 pm
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I am running Ubuntu 16.---- sorry I don't remember the rest of the numbers.
My laptop is a HP Pavilion dv7
My printer is a Canon MG8120B

My system used to work great, I could print anything I wanted. My printer's USB cable is plugged directly in to my laptop. My wife uses the printer by WiFi

Then things started to get weird a few months ago. I could not print from a web page once in a while, then it got to the point I couldn't print form any web page, yet I could print from Libre Office Writer any time I wanted. I could also print from Draft Sight.

Now I am getting to the point I can't print anything. The office writer won't print, and the Draft Sight program worked great in October (thank fully) but it won't print now

The strange thing I noticed is, When I send something to the printer the screen on it lights up and IF it makes a slight click sound the printer will work, IF it does not make the click sound the printer will not work.
The screen on the printer says it is printing from the PC, and after a while it says it is done printing. Same thing on the laptop, the print que shows everything is fine. I might be able to print 1 out of 50 attempts.

If I fire up my laptop on windows it works fine.

Yet all the time I am having problems my wife has no problem

There are no Linux drivers for my printer.

What is going on??
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SSD compatibility question - Linux server & older mobo

December 19, 2019, 10:35 pm
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Hi all,

I've got a home file server using five 2TB sata drives, running 64 bit Linux. These drives are setup as RAID 6 (data only). The machine boots and runs from a little 16 GB PCIE x1 Supertalent Corestore flash drive:



This card worked like a charm for years, but it's finally dying.

What I think I want to do is get a PCIe to M.2 adapter card and stick in a 32 or 64 gb SSD. I don't have any free SATA ports available (actually there is one external eSATA connector on the back, but I don't want to use it).

Now here's my question and concern: The motherboard is an Intel DQ45CB. It's a Socket 775 board and it has two PCIe x1 slots and one PCIe 2.0 x16 slot. The mobo is almost 10 years old!

I would probably like to use the M.2 NVME SSD, but searching online I worry that the mobo may not support it. As I understand, NVME connects directly to the PCIe bus as opposed to an SATA type controller.

There is also the M.2 AHCI type of SSD which as I understand uses an SATA (or SATA type) of interface.

In other words, as I understand it, the differences are:

M.2 AHCI: PCIe bus ---> SATA controller chip ---> drive

M.2 NVME: PCIe bus ---> drive

The NVME drives have 1 key slot while the M.2 AHCI drives have two. That is, an NVME drive can plug into an AHCI connector, but an AHCI drive cannot plug into an NVME connector.

I know NVME is supposed to be (a lot) faster, but I don't care about that. Since I can buy either type, my question is... will the NVME ssd work in this machine? Is there a chance the old mobo WON'T support it? Should I get the M.2 AHCI type instead? Is there a chance NEITHER type won't work?

I'm just not familiar with these new SSD types to make a good decision myself.

Oh BTW the server is headless (no video card) so both PCIe X1 and X16 are available to use.

Any advice will be greatly appreciated!
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Will these specs work?

December 20, 2019, 2:20 am
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I am wonder if the following specs will work well with the most recent Ubuntu or at least 16.04. I have my eye on this nice desktop.

Processor: AMD Athlon A4-5300b 3.4GHz.
Graphics Coprocessor: AMD Radeon HD 7480D
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[xubuntu] xcalib and xrandr don't work on new pc and monitor

December 20, 2019, 8:55 am
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I got a new pc and monitor and installed Xubuntu 19.10 on it.
On my old laptop I could use xcalib or xrandr to adjust the display gamma and contrast.

I discovered on the new pc/monitor that xcalib and xrandr don't appear to do anything.
This is the first time I have used a machine with UEFI with a monitor using HDMI. Also I have to boot with "nomodeset" in the grub config or I get a blank green screen. I don't know if any of that affects xcalib or xrandr.
Xrandr says the display name is "default". Is that right?
Code:
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
default connected 1920x1080+0+0 0mm x 0mm
  1920x1080    77.00*
I tried changing things with "--output default" but nothing happens.
If I use xcalib nothing happens either.
I would appreciate troublelshooting suggestions.

Here is the hardware
Code:
CPU:      Topology: Quad Core model: AMD Ryzen 5 3400G with Radeon Vega Graphics bits: 64 type: MT MCP
          L2 cache: 2048 KiB
          Speed: 1260 MHz min/max: 1400/3700 MHz Core speeds (MHz): 1: 1259 2: 1369 3: 1256 4: 1257 5: 1296 6: 1386
          7: 1311 8: 1339
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Picasso driver: N/A
          Display: server: X.Org 1.20.5 driver: ati,fbdev unloaded: modesetting,radeon,vesa
          resolution: 1920x1080~77Hz
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Can't Change Orientation or Resolution of Monitor

December 20, 2019, 9:38 am
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Hi, I'm new to Ubuntu. Used Mint for a while but built a new machine recently and wanted to try this OS.

Background:
Machine I'm running uses an Aorus Xtreme x570 motherboard with WiFi antennae, Nvidia GTX 1050 TI GPU, and is running Ubuntu 18.04.3 LTS. The kernel that came with this was 5.0.0.37.40. This caused me a problem with the WiFi whereby the Ubuntu couldn't detect any WiFi hardware. I upgraded the kernel to 5.4.5 and this fixed the WiFi issue.

Problem:
Since I upgraded the kernel, I haven't been able to change the resolution of my monitor. This was working fine before but now it's stuck at 1024:768, when it should be 1920:1080. In settings there is only one option for resolution and changing the orientation does nothing.

What I've tried:
1. I rolled back the kernel to 5.3.18. This didn't fix the problem, so I rolled back again to the original kernel, 5.0.0.37.40. This didn't fix the problem, and I lost the use of WiFi again. So, I moved forward again to 5.4.5.

2. I tried changing my GPU driver from the open source one to the proprietary one. This did nothing, so I changed back.

3. I looked for solutions online and some people mentioned xrandr. I ran this command in terminal and this was the output:

Code:
(base) my-broken-PC:~$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1024 x 768, current 1024 x 768, maximum 1024 x 768
default connected primary 1024x768+0+0 0mm x 0mm
  1024x768      76.00*
  1920x1080 (0x2c0) 173.000MHz -HSync +VSync
        h: width  1920 start 2048 end 2248 total 2576 skew    0 clock  67.16KHz
        v: height 1080 start 1083 end 1088 total 1120          clock  59.96Hz
It seems like Ubuntu isn't able to recognise the monitor anymore and I have no idea how to fix it.

If anyone could help that would be really appreciated, as I've been trying to fix this WiFi issue for days and now as soon as it has, something else has broken.

Thanks in advance.

Adrian.
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[ubuntu] AsRock H310m-HDV Hard Crashing broken video output

December 20, 2019, 10:50 am
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Hi y'all, been having hard crash issues on my rig. Recently re-did my OS install, and originally went with Mint Cinnamon 18, but was having the hard crash with broken video output issue. Figured I'd come back to ubuntu 19.04, still having the issue.
I've upgraded to 19.10, and also upgraded my BIOS from v3 to v4.10, with no change.

After some internet searching, I've added this to my grub command:

PHP Code:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.alpha_support=1 intel_idle.max_cstate=1" 
Which seems to have somewhat lessened the frequency of the crashes down to about 2-3x/day of normal use.

I've followed the instructions in this thread but now I'm stumped.

Dump of lshw gist is here
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IO of a single hard drive. How many at once.

December 20, 2019, 5:12 pm
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Single hard drive shares over nfs. I use it to store media. How many separate media centers could pull at the same time before I run into trouble. Average file size 1gb
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