Re: Downgrading kernel 4.9 to 4.4 with space_cache=v2 enabled?

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On Thu, Feb 23, 2017 at 08:38:02AM -0500, Austin S. Hemmelgarn wrote:
> On 2017-02-23 08:19, Christian Theune wrote:
> > Hi,
> > 
> > just for future reference if someone finds this thread: there is a bit of output I’m seeing with this crashing kernel (unclear whether related to btrfs or not):
> > 
> >   31 | 02/23/2017 | 09:51:22 | OS Stop/Shutdown #0x4f | Run-time critical stop | Asserted
> >   32 | Linux kernel panic: Out of memo
> >   33 | Linux kernel panic: ry and no k
> >   34 | Linux kernel panic: illable pro
> >   35 | Linux kernel panic: cesses...
> > 
> OK, an OOM condition is (probably) not BTRFS related FWIW.  IIRC, there were
> a couple of issues with the OOM killer in 4.9, but I don't remember
> specifics.  To be able to determine anything useful though, you'd need a lot
> more context in the kernel logs than just that.

Yeah, if there is a problem with the free space tree, I'd be happy to
take a look, but it's impossible to tell from this.
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