On Mon, 2020-08-17 at 11:58 +0000, Roosen Henri wrote: > On Mon, 2020-08-17 at 13:43 +0200, Henri Roosen wrote: > > On Mon, 2020-08-17 at 13:13 +0200, bigeasy@xxxxxxxxxxxxx wrote: > > > On 2020-08-17 08:12:31 [+0000], Roosen Henri wrote: > > > > > Is the 4.14 series the only one that is affected? > > > > > > > > No, unfortunately not. > > > > > > > > I ended up testing the v4.14.184-rt84 on two systems and the > > > > v5.4.45- > > > > rt27 on another system, all iMX6Q. Only one of the v4.14 > > > > systems > > > > is > > > > still running, the other v4.14 system dumping backtraces until > > > > eventually reset, the v5.4 system endlessly dumping backtraces: > > > > > > > > v4.14: https://paste.ubuntu.com/p/ZdFYhs4pjx/ > > > > v5.4: https://paste.ubuntu.com/p/wZPCQv8KjX/ > > > > > > So the 5.4 has an uptime of 45 days until this start? > > > > Correct. > > > > > > If the backtraces don't point to a root-cause, are there any > > > > kernel > > > > configuration options which are usefull to track this issue > > > > down? > > > > > > The 5.4 is not complete, it started earlier and this might be a > > > follow-up problem (it seems to originate in die()). > > > You could send me the config, I have an imx6q somewhere so I > > > might > > > be > > > able to take a look. However I want sort another ppc issue first. > > > > Please find the v5.4.45-rt27-config file attached to this email. I'm afraid something went wrong with sending attachments to the mailing list. Please find the v5.4.45-rt27-config here as well: https://paste.ubuntu.com/p/Yr9Vf4yNWs/ > > Let > > To clarify the v5.4.45-rt27 before any confusion: I used the v5.4.44- > rt27 merged into our v5.4.45 branch. > > > me > > know if you have any suggestions about the config file or useful > > debugging I can switch on; I'll be restarting a couple of systems > > for > > new duration tests. Please let me know if there you find any unregularities in my config or suggestions on any usefull debugging-/forensic-config-options. Thanks! Henri
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