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[Thinkpad T14] Files become corrupted but only when downloaded (lemmy.world)

submitted 1 week ago* (last edited 1 week ago) by Imhotep@lemmy.world to c/linuxquestions@lemmy.zip

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I've acquired a second hand Thinkpad T14 recently (gen 1, Intel version). Running Fedora Gnome.

The SSD seems fine.
I tested it with Gnome Disks; I filled the drive with files and checked their integrity; also copied files around, on drive and from USB. No issues.

But many downloaded files become corrupted. The download finishes normally, but if If I try to open said files they fail (in the middle of a video for example) and if I copy them I get an "input/output" error.
LAN or WAN, over ethernet or Wifi, it doesn't matter.

Could it still be the SSD? Or maybe a driver issue?

Thank you for reading!

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[–] themoken@startrek.website 5 points 1 week ago* (last edited 1 week ago) (6 children)

Huh, storage or RAM problems would be evident in your file tests (and elsewhere). Can you visit websites normally? Stream YouTube etc.? It would be very strange for a broken network device to corrupt files.

Also, since you didn't mention where the downloads are coming from... No chance of corruption at the source?

The input/output error makes me think disk issue (since it should copy corrupt files just fine, it's just data) but that should also be triggered by copying from a separate device. A more thorough disk check may be in order, like a badblock run or something.

[–] Imhotep@lemmy.world 4 points 1 week ago (2 children)

Browsing and streaming no issues. Or any other daily computer task, all fine. No weird behavior, lags or freezes, nothing.

I've checked the source files, they're ok. I've even downloaded them from another computer, and transferred them on the Thinkpad with a USB stick, and they can be opened normally. Downloads are coming from various websites, a VPS, a local server.

badblock run

I'll do that now.
Thanks for the help!!!

[–] themoken@startrek.website 3 points 1 week ago (1 children)

No sweat, I hope that's enlightening. Another thing that may be interesting is checking dmesg after you trigger the input/output error (or just generally since you are seeing silent corruption). Bad errors there are usually signs of hardware issues, and may also give you something more specific to search with.

[–] Imhotep@lemmy.world 2 points 1 week ago

Yeah I thought of checking dmesg too late, I was already running the - destructive - badblocks command...
It is finishing I think, and found zero errors.
My plan now is to install a different distribution to see if it makes a difference. I the error reappears I'll remember to check the logs.

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