XPost: uk.comp.os.linux, alt.comp.microsoft.windows, alt.comp.os.windows-11   
   From: java@evij.com.invalid   
      
   On 2025-11-15 19:43, Carlos E.R. wrote:   
   >   
   > On 2025-11-15 15:39, Java Jive wrote:   
   >>   
   >> In case it's helpful to anyone else ...   
   >>   
   >> I have some Dell Precision M6800s & M6700s dual-booting via Grub   
   >> between various versions of Windows and Ubuntu 24, all cabled to the   
   >> LAN.  If I choose to move between any version of Windows and Ubuntu by   
   >> rebooting, Ubuntu 24 cannot make a reliable cabled LAN connection, it   
   >> keeps trying to connect but never succeeds.  However, if I choose to   
   >> move between any version of Windows and Ubuntu by shutting down the PC   
   >> in between, Ubuntu 24 'just works', no networking problem at all.   
   >> Reboot from U24 and go back into U24, the situation is unchanged  -   
   >> if it was working before the reboot, it's working now, if it wasn't   
   >> working before the reboot, it isn't working now.  Reboot from U24 and   
   >> go back into Windows, no network problems in Windows at all.  Reboot   
   >> from Windows and go back into any version of Windows, no network   
   >> problems at all.   
   >>   
   >> In summary, when rebooting ...   
   >>      Ubuntu 24 -> Ubuntu 24    No change   
   >>      Ubuntu 24 -> Windows      No problem   
   >>      Windows -> Ubuntu 24      U24 cannot make cabled LAN   
   connection   
   >>      Windows -> Windows        No problem   
   >>   
   >> It seems to me from this that the cabled network hardware is not being   
   >> properly initialised when booting Ubuntu 24.  The cure is simply to   
   >> actually power down the PC before launching Ubuntu 24   
   >   
   > [snip]   
   >   
   > Open a bug with the Ubuntu people, somehow.   
      
   Done:   
      
   https://bugs.launchpad.net/ubuntu/+bug/2132151   
      
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