On 07/14/2016 05:31 PM, Michal Hocko wrote:
On Thu 14-07-16 16:08:28, Ondrej Kozina wrote:
[...]
As Mikulas pointed out, this doesn't work. The system froze as well with the
patch above. Will try to tweak the patch with Mikulas's suggestion...
Thank you for testing! Do you happen to have traces of the frozen
processes? Does the flusher still gets throttled because the bias it
gets is not sufficient. Or does it get throttled at a different place?
Sure. Here it is (including sysrq+t and sysrq+w output):
https://okozina.fedorapeople.org/bugs/swap_on_dmcrypt/4.7.0-rc7+/1/4.7.0-rc7+.log
In a directory with the log there's also a patch the kernel was compiled
with.
Ondra
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