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Thread: Strange behaviour makes me think of a virus.

  1. #11
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    Jun 2020
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    Re: Strange behaviour makes me think of a virus.

    Yeah it is. Both on the Dual Boot and the laptop. Which would explain the "jump".

  2. #12
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    Re: Strange behaviour makes me think of a virus.

    Okay so it's still not without trouble. This is the first time it didn't start with errors. However while updating some small stuff a gray screen flashed before my eyes "Oh no something went wrong". And I got logged out. Couldn't shut down the system anymore. Had to force it off. Turned it on again... and it seemed stable for a while. But now this laptop takes an age to shut down as well. Which is what the initial problem was with the Dual Boot PC. Keeps nagging about a keychain as well and I don't particularly trust that.

    Not really happy about this stuff...
    Last edited by snorretik; 2 Weeks Ago at 10:23 PM.

  3. #13
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    Re: Strange behaviour makes me think of a virus.

    Hardware failure... look at the log files.

  4. #14
    Join Date
    Sep 2014
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    Ubuntu 18.04 Bionic Beaver

    Re: Strange behaviour makes me think of a virus.

    I think this is a hardware failure too.

    Try
    Code:
     dmesg | grep error
    Sometimes things pop out, and I can fix them immediately.

  5. #15
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    Re: Strange behaviour makes me think of a virus.

    It only shows one line but I'll paste it in here.

    [ 1.681620] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro

    I'm going to do some reading on how to read and interpret the log files.

  6. #16
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    Re: Strange behaviour makes me think of a virus.

    Quote Originally Posted by snorretik View Post
    It only shows one line but I'll paste it in here.

    [ 1.681620] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro

    I'm going to do some reading on how to read and interpret the log files.
    That line just shows that sda2 has mount options. The "errors" that grep found was part of the mount options, not actually an error.
    I'd NOT be very surprised if there were 50+ errors in the logs. Even normally working systems will have errors because determining which CPU family is being used shows up and causes errors. I'd look using something like this:
    Code:
    $ egrep -i 'erro|warn' /var/log/*g
    May need to pipe it through a PAGER.

    There is probably a "Log Viewer" somewhere in the menus if you're using any Desktop Ubuntu flavor.

    Have you looked at the SMART data for the disks yet?

  7. #17
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    Jun 2020
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    Re: Strange behaviour makes me think of a virus.

    Right, I found a log viewer. It has an "important" tab, and I can go back to yesterday evening and see what the logs were.

    There are just a few, for yesterday evening:
    Under Security it says "Failed to start GNOME Shell on X11".
    Then under Other it says "Failed to start Wait until snapd is fully seeded."

    Then through all the subsequent sessions there is a:
    "System Bluetooth: hci0: unexpected event for opcode 0xfc2f"
    "Other dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0"
    "System Initramfs unpacking failed: Decoding failed"

    I checked Smart, there is an option to do a self test. I did a short one, an extended one. They both succeeded. And the conveyance gave me an error "not supported".
    And all the assessment values are OK.

    And I did your command but that flooded my screen with all kinds of errors and warnings so that was a bit too much. I can do it again with additional info on what to look for but right now it doesn't seem very useful. Oh right I did look for what a pager is. Could do that more thoroughly so that's something I could still do.

    Edit: Right, and there still is an option to use the Snap Store. Which is identical to the Software Center. So that's no longer a problem. I didn't know about that.
    So I'm going to continue on my laptop and see if it can stay stable for a while. And if something happens I know I can use that log viewer utility and see if anything popped up under "important".
    Still want to know what caused the gray screen... but if from now on it can stay stable for a while perhaps I can start installing some programs on it again.
    Last edited by snorretik; 2 Weeks Ago at 04:36 PM.

  8. #18
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    Re: Strange behaviour makes me think of a virus.

    SMART data without raw values is almost worthless. The "OK" is often lies.

    "conveyance" isn't something I've seen in SMART.

    Rather than interpreting data, please copy/paste it here and wrap that output in "code tags" as we do for all terminal commands and output. Why? Because most output has columns and when they don't line up as we see in a terminal, it is hard to read/understand.

    Perhaps some other cook can be more helpful than I?

  9. #19
    Join Date
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    Re: Strange behaviour makes me think of a virus.

    Okay so I think this is what you want to see:

    Code:
    smartctl 7.1 2019-12-30 r5022 [x86_64-linux-5.4.0-37-generic] (local build)
    Copyright (C) 2002-19, Bruce Allen, Christian Franke, www.smartmontools.org
    
    === START OF INFORMATION SECTION ===
    Device Model:     KINGSTON RBU-SC100S37128GD
    Serial Number:    50026B725114E750
    Firmware Version: S8FM06.9
    User Capacity:    128.035.676.160 bytes [128 GB]
    Sector Size:      512 bytes logical/physical
    Rotation Rate:    Solid State Device
    Form Factor:      2.5 inches
    Device is:        Not in smartctl database [for details use: -P showall]
    ATA Version is:   ATA8-ACS (minor revision not indicated)
    SATA Version is:  SATA 3.2, 6.0 Gb/s (current: 6.0 Gb/s)
    Local Time is:    Sun Jun 21 20:49:53 2020 CEST
    SMART support is: Available - device has SMART capability.
    SMART support is: Enabled
    
    === START OF READ SMART DATA SECTION ===
    SMART overall-health self-assessment test result: PASSED
    
    General SMART Values:
    Offline data collection status:  (0x00)    Offline data collection activity
                        was never started.
                        Auto Offline Data Collection: Disabled.
    Self-test execution status:      (   0)    The previous self-test routine completed
                        without error or no self-test has ever 
                        been run.
    Total time to complete Offline 
    data collection:         (  255) seconds.
    Offline data collection
    capabilities:              (0x1b) SMART execute Offline immediate.
                        Auto Offline data collection on/off support.
                        Suspend Offline collection upon new
                        command.
                        Offline surface scan supported.
                        Self-test supported.
                        No Conveyance Self-test supported.
                        No Selective Self-test supported.
    SMART capabilities:            (0x0003)    Saves SMART data before entering
                        power-saving mode.
                        Supports SMART auto save timer.
    Error logging capability:        (0x01)    Error logging supported.
                        General Purpose Logging supported.
    Short self-test routine 
    recommended polling time:      (   1) minutes.
    Extended self-test routine
    recommended polling time:      (   2) minutes.
    
    SMART Attributes Data Structure revision number: 16
    Vendor Specific SMART Attributes with Thresholds:
    ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
      1 Raw_Read_Error_Rate     0x000b   100   100   050    Pre-fail  Always       -       0
      2 Throughput_Performance  0x0005   100   100   050    Pre-fail  Offline      -       0
      3 Spin_Up_Time            0x0007   100   100   050    Pre-fail  Always       -       0
      5 Reallocated_Sector_Ct   0x0013   100   100   050    Pre-fail  Always       -       0
      7 Unknown_SSD_Attribute   0x000b   100   100   050    Pre-fail  Always       -       0
      8 Unknown_SSD_Attribute   0x0005   100   100   050    Pre-fail  Offline      -       0
      9 Power_On_Hours          0x0012   100   100   000    Old_age   Always       -       9724
     10 Unknown_SSD_Attribute   0x0013   100   100   050    Pre-fail  Always       -       0
     12 Power_Cycle_Count       0x0012   100   100   000    Old_age   Always       -       3316
    168 Unknown_Attribute       0x0012   100   100   000    Old_age   Always       -       3
    170 Unknown_Attribute       0x0003   100   100   010    Pre-fail  Always       -       288
    173 Unknown_Attribute       0x0012   100   100   000    Old_age   Always       -       6226083
    175 Program_Fail_Count_Chip 0x0012   100   100   010    Old_age   Always       -       0
    187 Reported_Uncorrect      0x0012   100   100   000    Old_age   Always       -       0
    192 Power-Off_Retract_Count 0x0012   100   100   000    Old_age   Always       -       23
    194 Temperature_Celsius     0x0023   035   035   000    Pre-fail  Always       -       35
    196 Reallocated_Event_Count 0x0002   100   100   000    Old_age   Always       -       0
    197 Current_Pending_Sector  0x0032   100   100   000    Old_age   Always       -       0
    199 UDMA_CRC_Error_Count    0x000b   100   100   050    Pre-fail  Always       -       0
    218 Unknown_Attribute       0x000b   100   100   050    Pre-fail  Always       -       0
    233 Media_Wearout_Indicator 0x000b   100   100   000    Pre-fail  Always       -       7796
    240 Unknown_SSD_Attribute   0x0013   100   100   050    Pre-fail  Always       -       0
    241 Total_LBAs_Written      0x0012   100   100   000    Old_age   Always       -       5191
    242 Total_LBAs_Read         0x0012   100   100   000    Old_age   Always       -       2800
    244 Unknown_Attribute       0x0002   100   100   050    Old_age   Always       -       95
    245 Unknown_Attribute       0x0002   100   100   050    Old_age   Always       -       163
    246 Unknown_Attribute       0x0002   100   100   050    Old_age   Always       -       3966180
    250 Read_Error_Retry_Rate   0x0002   100   100   050    Old_age   Always       -       6554
    
    SMART Error Log Version: 1
    No Errors Logged
    
    SMART Self-test log structure revision number 1
    Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
    # 1  Extended offline    Completed without error       00%         3         -
    # 2  Extended offline    Completed without error       00%         0         -
    # 3  Short offline       Completed without error       00%         0         -
    
    Selective Self-tests/Logging not supported
    Edit:
    Conveyance is also mentioned here:
    https://wiki.archlinux.org/index.php/S.M.A.R.T.
    It's one of the 3 tests it can do.

    Edit 2:
    Lol and Software Center just popped back again. This is so weird. Now snap store is gone. It seems to be either one though, which is good enough.
    Last edited by snorretik; 2 Weeks Ago at 08:10 PM.

  10. #20
    Join Date
    Sep 2014
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    United States
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    Distro
    Ubuntu 18.04 Bionic Beaver

    Re: Strange behaviour makes me think of a virus.

    I think you should try reopening this thread in a hardware support forum.

    I believe the issue is related to hardware, and there can be plenty of troubleshooting done there.

    If you find a virus, the real thing you can do is reformat, as there really isn't a good way to help you clean your PC remotely on a forum.

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