Dear Alan, dear Erich, Am Dienstag, den 19.01.2016, 11:38 -0500 schrieb Alan Stern: > On Tue, 19 Jan 2016, Erich Schubert wrote: > > Attached are photos of the Kernel null pointer BUG that I'm observing. > > > > These shots are with 4.4.0-rc8. > > As you can see, I have a similar trace to Paul, but the error occurs > > one stack frame earlier? > > Yours is only slighly similar to Paul's. He got an error in > sr_runtime_suspend, but your error occurs in sd_resume -- a completely > different function in a different source file. if I remember correctly, it happened it different places for me too. In the backlog you should see, that Ben gave me a patch to try and then it wasn’t triggered as it failed somewhere else. > > Maybe Alex issue is the same bug, but triggered slightly different or > > just the kernel compiled differently. > > __rpm_callback, scsi_autopm_put_device, __pm_runtime_resume, sd_probe > > is present in all of these traces. > > > > Sorry, I do not have a lot of time right now to help testing or debugging. > > I can't tell what's going wrong without some real debugging. This > means somebody has to build and test a patched kernel. There are no > problems on my computer, so it will have to be one or more of you > guys. Could you please attach the debugging patch. Hopefully Alexandre, Erich, or I will have some spare time to build an image from it. Alan, thank you a lot for being so responsive and helpful! Thanks, Paul -- GPG-Schlüssel: 33623E9B Fingerabdruck = 0EB1 649D 4361 D04F 3C70 6F71 4DD7 BF75 3362 3E9B Giant Monkey Software Engineering GmbH Brunnenstr. 7D 10119 Berlin Mitte Geschäftsführer Adrian Fuhrmann, Lion Vollnhals und Paul Menzel USt-IdNr.: DE281524720 HRB 139495 B Amtsgericht Charlottenburg
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