On Thu, 2026-08-27 at 16:20 +0200, Martin Wilck wrote: > On Thu, 2026-08-27 at 15:06 +0300, Ivan Ivanov wrote: > > Hi, > > > > > On 27 Aug 2026, at 14:34, Martin Wilck <[email protected]> wrote: > > > > > > Since then I've repeated the update procedure in a couple of > > > variations, and I keep observing the same thing; Updating dtb- > > > amlogic > > > to 6.12.0-16000.37.1 breaks the network hardware, and downgrading > > > again > > > later doesn't seem to fix it. Reinstalling with a pristine image > > > does, > > > though. > > > > > > Once DTB is downgraded did you go through cold restart? > > Yes, I basically always pull the plug when I reboot this system. Not > sure if I need to leave it unplugged for an extended amount of time.
The behavior is totally unpredictable. The other day, I did the following: 0. The system ran stably. I had updated everything except dtb-amlogic to the latest 16.0 release. dtb-amlogic was still at -.29. 1. removed the eMMC card and used my USB MMC reader to create a full backup (I do that for backing up to save time when the issue reoccurs). 2. plugged the eMMC card back into the OdroidC2. 3. booted, the TX timeout problem occured, I couldn't bring the system up. 4. Plugged the eMMC out again, played back the backup that I'd just written (so the content of the storage should be exactly the same as before, modulo a few log messages and time stamps) 5. Booted; no problem occured. I noticed that in step 2) the eMMC card READER and the eMMC had become quite warm. I currently suspect that it may be an issue related to overheating, or some other hardware problem. The heat theory also only makes so much sens, because if it was heat, the issue should be temporary; but that was not what I observed. Anyway, I can't find a logical explanation for the behavior described above. Even if the system seems to run stably, I observe 5-10% dropped packets on the ethernet port. I currently can't say for sure whether these package drops happened with Leap 15. I just know that I never observed the TX timeout with Leap 15. Martin -- Dr. Martin Wilck <[email protected]> SUSE Software Solutions Germany GmbH, Frankenstr. 146, 90461 Nürnberg, Germany Geschäftsführer: Jochen Jaser, Andrew McDonald (HRB 36809,AG Nürnberg)
