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Thread: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

  1. #1
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    Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    Hey!

    I'm new to the Ubuntu forums so hopefully I've got all the posting rules down right.

    I've been having a lot of problems with my Ubuntu 18.04. I was using it for the last 5 years (without any reinstalls) and a few weeks ago, my Chrome started crashing with the Aw Snap error. So I got Firefox in the interim and that also started crashing with it's version of the Aw Snap.
    Soon after that, a lot of things stopped working properly. It was like multiple organ failure. There was a new crash report every few hours coming from a new file. Sometimes SSO, sometimes VSCode or Chrome or something I have never heard of. It was unusable. I would open a program and it would shut down automatically.

    I even tried Deja Dup to back up my files and after 3 days of crashing and corrupted backups, I gave up--copied out a few relevant files manually and wiped the computer clean with a new reinstall of 18.04.

    I did a minimal reinstall. Yesterday, this new install started crashing again. I'm only using Chrome and Firefox on it to test it out and Aw Snap errors every few hours. I have run all hardware diagnostic tools from the BIOS; they all pass. Is it something to do with the recent 18.04 updates? Has my laptop somehow become incompatible?

    I have a Lenovo T450s with 12GB RAM and a 256GB SSD.

    I had even posted a few weeks back on AskUbuntu but got no replies there.

    I would really really appreciate any kind of help. I can't go back to Windows and I don't particularly want to learn a new Linux distro. I'm a software developer so my life revolves around this computer. Hardware wise everything seems to be working fine.

    Happy to provide any additional information.
    Thanks in advance!

  2. #2
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    I even tried Deja Dup to back up my files and after 3 days of crashing and corrupted backups
    This in conjunction with the same symptoms reappearing after a fresh install suggest the drive itself is failing.

  3. #3
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    Sounds like an SSD failing to me also. Could also be overheating. Could be a RAM chip going bad.

    When was the last time you checked and cleaned the internals? Did you run a mem test and SSD test?

    I would boot it from a USB stick and run it from there for a few hours. If it runs OK, then you know it is the SSD. If not, then you need to be looking hard at the RAM.

    Realize that passing the SSD test and the RAM test does not mean that they are good! Failing one of those tests (at least in my opinion) guarantees that it is bad.

  4. #4
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    Quote Originally Posted by Autodave View Post
    Sounds like an SSD failing to me also. Could also be overheating. Could be a RAM chip going bad.

    When was the last time you checked and cleaned the internals? Did you run a mem test and SSD test?

    I would boot it from a USB stick and run it from there for a few hours. If it runs OK, then you know it is the SSD. If not, then you need to be looking hard at the RAM.

    Realize that passing the SSD test and the RAM test does not mean that they are good! Failing one of those tests (at least in my opinion) guarantees that it is bad.
    I ran all the hardware diagnostics available in the BIOS. I couldn't find memtest86 because I believe my computer might be in UEFI boot mode. Sorry I'm not an expert at this.
    Is there any way those diagnostics would pass even if the the SSD and RAM are "broken"?

    The USB stick is a good idea. I might try that.

    Is there anything else I can do to figure out if it's software or hardware? Given the current scenario with COVID, I don't have access to any new hardware. So it's a bit concerning.

  5. #5
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    Please run
    Code:
    sudo lshw -sanitize -C memory
    and post the results in CODE tags.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  6. #6
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    Quote Originally Posted by mrgs View Post
    Please run
    Code:
    sudo lshw -sanitize -C memory
    and post the results in CODE tags.
    Code:
     *-cache                          
          description: L1 cache
           physical id: 3
           slot: L1 Cache
           size: 32KiB
           capacity: 32KiB
           capabilities: synchronous internal write-back data
           configuration: level=1
      *-cache:0
           description: L1 cache
           physical id: 5
           slot: L1 Cache
           size: 32KiB
           capacity: 32KiB
           capabilities: synchronous internal write-back instruction
           configuration: level=1
      *-cache:1
           description: L2 cache
           physical id: 6
           slot: L2 Cache
           size: 256KiB
           capacity: 256KiB
           capabilities: synchronous internal write-back unified
           configuration: level=2
      *-cache:2
           description: L3 cache
           physical id: 7
           slot: L3 Cache
           size: 3MiB
           capacity: 3MiB
           capabilities: synchronous internal write-back unified
           configuration: level=3
      *-memory
           description: System Memory
           physical id: 8
           slot: System board or motherboard
           size: 12GiB
         *-bank:0
              description: SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
              product: K4B8G1646B-MYK0
              vendor: Samsung
              physical id: 0
              serial: [REMOVED]
              slot: ChannelA-DIMM0
              size: 4GiB
              width: 64 bits
              clock: 1600MHz (0.6ns)
         *-bank:1
              description: SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
              product: HMT41GS6BFR8A-PB
              vendor: Hynix/Hyundai
              physical id: 1
              serial: [REMOVED]
              slot: ChannelB-DIMM0
              size: 8GiB
              width: 64 bits
              clock: 1600MHz (0.6ns)
      *-firmware
           description: BIOS
           vendor: LENOVO
           physical id: 31
           version: JBET51WW (1.16 )
           date: 07/08/2015
           size: 128KiB
           capacity: 15MiB
           capabilities: pci pnp upgrade shadowing cdboot bootselect acpi usb biosbootspecification uefi

  7. #7
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    The 12 GB of memory is split into a 4 and an 8 GB module. Try to remove the 8 GB one to see if the system gets stable.

    The UEFI firmware is old but don't upgrade it as long as the computer is prone to crashing.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  8. #8
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    Quote Originally Posted by mrgs View Post
    The 12 GB of memory is split into a 4 and an 8 GB module. Try to remove the 8 GB one to see if the system gets stable.

    The UEFI firmware is old but don't upgrade it as long as the computer is prone to crashing.
    I managed to run memtest86 from the boot menu. The non + version works in UEFI. The test aborted due to too many errors
    I even tried to rub the RAM with an eraser (apparently that helps) but one of my RAMs is soldered.

    The results of the memtest86 rub is below:

    Code:
    Result summary
    
    
    Test Start Time 2020-04-23 08:16:58
    Elapsed Time 0:08:23
    Memory Range Tested 0x0 - 33E000000 (13280MB)
    CPU Selection Mode Parallel (All CPUs)
    ECC Polling Enabled
    # Tests Passed 1/7 (14%)
    Lowest Error Address 0x225A8C008 (8794MB)
    Highest Error Address 0x227A8E2E8 (8826MB)
    Bits in Error Mask 000000000000FF00
    Bits in Error 8
    Max Contiguous Errors 1
    Test # Tests Passed Errors
    Test 0 [Address test, walking ones, 1 CPU] 1/1 (100%) 0
    Test 1 [Address test, own address, 1 CPU] 0/1 (0%) 44
    Test 2 [Address test, own address] 0/1 (0%) 52
    Test 3 [Moving inversions, ones & zeroes] 0/1 (0%) 433
    Test 4 [Moving inversions, 8-bit pattern] 0/1 (0%) 2127
    Test 5 [Moving inversions, random pattern] 0/1 (0%) 3174
    Test 6 [Block move, 64-byte blocks] 0/1 (0%) 515
    Test 7 [Moving inversions, 32-bit pattern] 0/0 (0%) 3690
    Test 8 [Random number sequence] 0/0 (0%) 0
    Test 9 [Modulo 20, ones & zeros] 0/0 (0%) 0
    Test 10 [Bit fade test, 2 patterns, 1 CPU] 0/0 (0%) 0
    Test 13 [Hammer test] 0/0 (0%) 0
    Last 10 Errors
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C108, Expected: 00000008, Actual: 00002008
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C148, Expected: 00080000, Actual: 00088200
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C188, Expected: 00000008, Actual: 00002008
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C208, Expected: 00000008, Actual: 00008008
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C248, Expected: 00080000, Actual: 00085000
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C308, Expected: 00000008, Actual: 00000108
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C348, Expected: 00080000, Actual: 0008D200
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C488, Expected: 00000008, Actual: 00004108
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C508, Expected: 00000008, Actual: 00002008
    2020-04-23 08:25:21 - [Data Error] Test: 7, CPU: 0, Address: 225A8C548, Expected: 00080000, Actual: 00088000

  9. #9
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    Now you should remove the removable one and test again. If there are errors still that is bad news, that one can't be replaced.

  10. #10
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    Re: Ubuntu 18.04: Browsers keep crashing even after OS reinstall

    Quote Originally Posted by CelticWarrior View Post
    Now you should remove the removable one and test again. If there are errors still that is bad news, that one can't be replaced.
    Hey,

    Ok so I did that and there weren't any errors on the soldered RAM. I had to reinstall Ubuntu. I actually landed up doing it with 20.04 since it was a full wipe anyways.
    It seems to be working ok but I have had few SIGSEGV errors on applications. Like Firefox, Gnome calendar. Maybe this is because my system is running on 4GB RAM now.

    I guess I will just keep using it until Amazon opens up for delivery and I can buy some new RAM.

    Thank you all for helping me so much!

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