XPost: linux.debian.bugs.dist   
   From: ukleinek@debian.org   
      
   Hello Radostin,   
      
   On Thu, Jan 08, 2026 at 12:03:14PM +0200, Radostin Dimitrov wrote:   
   > I followed your instructions to the letter and did the test without the   
   > nvidia driver (results attached, as requested).   
      
   This mail doesn't has an attachment and the previously attached kernel   
   log had the nvidia module loaded. So there is a misunderstanding   
   somewhere (or you just forgot to attach a recent kernel log?).   
      
   > Same unpredictable behaviour - sometimes the NIC would work for like 5   
   > mins, other times for 20 mins (before detaching itself with "Adapter   
   > firmware error").   
   > It works on Windows, hence I isolated this from being a hardware fault. As   
   > mentioned, it's been working for several years without issues.   
      
   Can you install older kernels and check if this gives you a working   
   setup again? Please tell if you need instructions to do so. It would be   
   interesting to know the newest kernel that still worked and/or the   
   oldest broken kernel.   
      
   Best regards   
   Uwe   
      
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   =mWuO   
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