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  1. #1
    Join Date
    Feb 2009
    Location
    Florida
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    568

    Problems booting 4.14.18.300.fc27.x86_64 on AMD processor

    Recently I have been experiencing problems booting kernel updates on my GigaByte GA-990FXA-UD7 Rev1.1 motherboard running with a AMD Phenom II x6 1100T.
    I currently have 4.14.14, 4.14.16, and 4.14.18 kernels listed on my grub boot menu. Only 4.14.14 will boot without freezing at a black screen. For the last couple of months it has been hit or miss whether an upgrade will successfully boot. Since I now have the last 2 upgrades failing, I decided I needed to isolate this problem before the next update wipes me out.

    The 4.14.18 boot process is not getting far enough to begin the journal logging process. I deduce this from the fact that requesting a "journalctl -b -1" only returns my last successful boot, no info at all from the intervening unsuccessful boot. Editing the kernel command line to remove "rhgb" and "quiet" and then add " rd.shell rd.debug log_buf_len=1M" results in good news and bad news.

    The good news is that the 4.14.18 kernel now boots successfully. The bad news is no issues are identified in the debug logs (probably because the boot was successful).

    Anyone else experiencing similar issues? Any insights to share on how to isolate this issue? Better yet anyone solved this issue?
    Laptop: Toshiba / Intel B960 2.20Ghz x2/ 4GB/ 320GB SataII/ Intel HD/ fc27.x86_64
    Tower: GigaByte (990FXA)/ AMD 1100T 3.3Ghz x6/ 16GB/ 7.5TB Sata III/ AMD 6770HD/ fc27.x86_64
    Bookshelf: Shuttle DS61 (H61)/ i3-3225 3.3Ghz x2/ 16GB/ 320GB Sata II/ Intel HD 4000/ fc26.x86_64
    Embedded: BeagleBone Blk / ARM AM3358 1 GHz x1/ 512MB/ 2GB eMMC/ PowerVR SGX530/ fc27.armv7hl

  2. #2
    Join Date
    May 2011
    Posts
    204

    Re: Problems booting 4.14.18.300.fc27.x86_64 on AMD processor

    Quote Originally Posted by Kobuck
    Since I now have the last 2 upgrades failing, I decided I needed to isolate this problem before the next update wipes me out.
    You can always manually remove the middle kernel version using dnf, which always leaves you with two kernel versions. The next kernel update will not remove any since you now have 3 versions.

    You can repeat the manual removal of middle version until the latest kernel fixes your issue or you are always left with two kernel versions: latest version and your working version.

  3. #3
    Join Date
    Feb 2009
    Location
    Florida
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    568

    Re: Problems booting 4.14.18.300.fc27.x86_64 on AMD processor

    Still have the issue with the 4.15.3 update.

    Activating debug logging still allows successful boot. Tried just removing "quiet" from command line, but no joy until debug was enabled.

    This is my workaround for now. Logging is relatively painless and the settings are automatically carried forward in kernel updates.
    Laptop: Toshiba / Intel B960 2.20Ghz x2/ 4GB/ 320GB SataII/ Intel HD/ fc27.x86_64
    Tower: GigaByte (990FXA)/ AMD 1100T 3.3Ghz x6/ 16GB/ 7.5TB Sata III/ AMD 6770HD/ fc27.x86_64
    Bookshelf: Shuttle DS61 (H61)/ i3-3225 3.3Ghz x2/ 16GB/ 320GB Sata II/ Intel HD 4000/ fc26.x86_64
    Embedded: BeagleBone Blk / ARM AM3358 1 GHz x1/ 512MB/ 2GB eMMC/ PowerVR SGX530/ fc27.armv7hl

  4. #4
    Join Date
    Feb 2009
    Location
    Florida
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    568

    Re: Problems booting 4.14.18.300.fc27.x86_64 on AMD processor

    Still have the issue with 4.15.4.

    Tried changing all kinds of BIOS settings to see if I could have an affect ( CPU Lock/Unlock, boot disk priority list, IOMMU On/Off, memory speed... ) anything I thought would change to system operating profile. NO JOY!

    The only thing that consistantly works is activating the debug log. Going to review BugZilla and add my 2 cents. They're just gonna complain that I am providing insufficient info. duhhh!!
    Laptop: Toshiba / Intel B960 2.20Ghz x2/ 4GB/ 320GB SataII/ Intel HD/ fc27.x86_64
    Tower: GigaByte (990FXA)/ AMD 1100T 3.3Ghz x6/ 16GB/ 7.5TB Sata III/ AMD 6770HD/ fc27.x86_64
    Bookshelf: Shuttle DS61 (H61)/ i3-3225 3.3Ghz x2/ 16GB/ 320GB Sata II/ Intel HD 4000/ fc26.x86_64
    Embedded: BeagleBone Blk / ARM AM3358 1 GHz x1/ 512MB/ 2GB eMMC/ PowerVR SGX530/ fc27.armv7hl

  5. #5
    Join Date
    Jun 2005
    Location
    Montreal, Que, Canada
    Posts
    4,826

    Re: Problems booting 4.14.18.300.fc27.x86_64 on AMD processor

    Hi Kobuck

    When issues you describe occur for me, it is because I used the computer bios to overclock the cpu and the ram. Are you using the vanilla bios settings?
    On the install ISO there is / was a memtest program. Try running it for a few minutes to see if anything abnormal occurs.
    Leslie in Montreal

    Interesting web sites list
    http://forums.fedoraforum.org/showth...40#post1697840

  6. #6
    Join Date
    Feb 2009
    Location
    Florida
    Posts
    568

    Re: Problems booting 4.14.18.300.fc27.x86_64 on AMD processor

    I think I have a slight overclock in place to enable the use of the 1600MHz memory. This has been in place since I built the machine in 2011. Why would it suddenly be an issue??
    I did change memory settings as part of testing this AM, but I think I will go back and test with a VERY conservative setting.
    Will report back results here.
    Laptop: Toshiba / Intel B960 2.20Ghz x2/ 4GB/ 320GB SataII/ Intel HD/ fc27.x86_64
    Tower: GigaByte (990FXA)/ AMD 1100T 3.3Ghz x6/ 16GB/ 7.5TB Sata III/ AMD 6770HD/ fc27.x86_64
    Bookshelf: Shuttle DS61 (H61)/ i3-3225 3.3Ghz x2/ 16GB/ 320GB Sata II/ Intel HD 4000/ fc26.x86_64
    Embedded: BeagleBone Blk / ARM AM3358 1 GHz x1/ 512MB/ 2GB eMMC/ PowerVR SGX530/ fc27.armv7hl

  7. #7
    Join Date
    Feb 2009
    Location
    Florida
    Posts
    568

    Re: Problems booting 4.14.18.300.fc27.x86_64 on AMD processor

    Well... Thanks Leslie that was a path I hadn't solidly evaluated.
    However, still no Joy.
    I walked back to the basic Motherboard settings of 1333MHz for memory but there was no effect on boot ( 3 tries )

    The CPU is an unlocked Black, the memory is rated at 1600MHz, and the MB supports overclocking. The settings I use are just a slight bump to enable 1600MHz memory which no "real" overclocker would accept as an adequate challenge. Plus I have been operating with these settings for 6 years.

    Nice thought, but I don't think this is the answer.
    I have submitted a Bugzilla since I didn't see anything there yet. I do see several posts on this forum re: AMD equipment which seem similar so there may be hope for a fix.
    Laptop: Toshiba / Intel B960 2.20Ghz x2/ 4GB/ 320GB SataII/ Intel HD/ fc27.x86_64
    Tower: GigaByte (990FXA)/ AMD 1100T 3.3Ghz x6/ 16GB/ 7.5TB Sata III/ AMD 6770HD/ fc27.x86_64
    Bookshelf: Shuttle DS61 (H61)/ i3-3225 3.3Ghz x2/ 16GB/ 320GB Sata II/ Intel HD 4000/ fc26.x86_64
    Embedded: BeagleBone Blk / ARM AM3358 1 GHz x1/ 512MB/ 2GB eMMC/ PowerVR SGX530/ fc27.armv7hl

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