On Fri, May 13, 2016 at 6:10 AM, Niccolò Belli <darkba...@linuxsystems.it> wrote: > On venerdì 13 maggio 2016 13:35:01 CEST, Austin S. Hemmelgarn wrote: >> >> The fact that you're getting an OOPS involving core kernel threads >> (kswapd) is a pretty good indication that either there's a bug elsewhere in >> the kernel, or that something is wrong with your hardware. it's really >> difficult to be certain if you don't have a reliable test case though. > > > Talking about reliable test cases, I forgot to say that I definitely found > an interesting one. It doesn't lead to OOPS but perhaps something even more > interesting. While running countless stress tests I tried running some games > to stress the system in different ways. I chosed openmw (an open source > engine for Morrowind) and I played it for a while on my second external > monitor (while I watched at some monitoring tools on my first monitor). I > noticed that after playing a while I *always* lose internet connection (I > use an USB3 Gigabit Ethernet adapter). This isn't the only thing which > happens: even if the game keeps running flawlessly and the system *seems* to > work fine (I can drag windows, open the terminal...) lots of commands simply > stall (for example mounting a partition, unmounting it, rebooting...). I can > reliably reproduce it, it ALWAYS happens.
Well there are a bunch of kernel debug options. If your kernel has CONFIG_SLUB_DEBUG=y CONFIG_SLUB=y at compile time you can boot with boot parameter slub_debug=1 to enable it and maybe there'll be something more revealing about the problems you're having. More aggressive is CONFIG_DEBUG_PAGEALLOC=y but it'll slow things down quite noticeably. And then there's some Btrfs debug options for compile time, and are enabled with mount options. But I think the problem you're having isn't specific to Btrfs or someone else would have run into it. -- Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
