Hi Greg, I think I found it. Going back through all the commits on linux-stable. I love this git thing, it's totally fucking cool. What a great idea, it's such a time and labor saving tool, it only took me ten years to start using it.
Jeff On 12/13/15, Jeff Merkey <[email protected]> wrote: > Hi Greg, > > You might know the answer to this and save me days of running down > bugs in old kernels. > > I am completing full regression testing of the mdb debugger on all > linux versions back to 2.6.37 and I am am almost done. I've > encountered some nasty bugs in these two linux release lines. These > bugs are documented all over the web about these versions. > > https://forum.blackmagicdesign.com/viewtopic.php?f=12&t=37186 > https://bugzilla.redhat.com/show_bug.cgi?id=990955 > https://lkml.org/lkml/2013/8/12/31 > > I would like to put a fix into my patches for them to make them stable > enough to use. The bug is: > > BUG: scheduling while atomic: swapper/0/0/0x10000100 > > across several functions which shows up when I have held the > processsors in the debugger for several minutes but only if I take a > breakpoint AT INTERRUPT. It does not show up otherwise. It shows > up when I exit the debugger on either v3.11 or v3.12. > > I've tracked it down to a linux bug, and it does not affect any other > versions. > > Do you recall what caused this bug (I have seen comments its in > several drivers) and point me to the commit that fixed it or thread > because as near as I can tell, it affects these versions ONLY. I have > seen the "BUG scheduling while atomic" fire off on other functions on > these versions but only on these two releases. > > Any help would be appreciated. > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

