On 06/04/2016 11:28 PM, Sunil Mohan Adapa wrote: [...] > > The only thing I suspect that can create such a problems in FreedomBox is the > laptop_mode kernel parameter combined with btrfs filesystem. This is only a > guess but I suggest removing it until this bug is reliably solved. Here are > some things to think about:
The attached patch proposes removing laptop mode. -- Sunil
From 17840c4395a9cafd0b76d08b2bdb88ceb346d38c Mon Sep 17 00:00:00 2001 From: Sunil Mohan Adapa <su...@medhas.org> Date: Wed, 15 Jun 2016 08:43:16 +0530 Subject: [PATCH] Don't set laptop mode As discussed in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=826345 these setting may be causing issues with disk corruptions. Since swap paritions are not created, setting swapiness=0 is also not necessary. --- data/etc/sysctl.d/freedombox.conf | 6 ------ 1 file changed, 6 deletions(-) diff --git a/data/etc/sysctl.d/freedombox.conf b/data/etc/sysctl.d/freedombox.conf index f284705..7650592 100644 --- a/data/etc/sysctl.d/freedombox.conf +++ b/data/etc/sysctl.d/freedombox.conf @@ -1,9 +1,3 @@ -# Reduce writes to flash drives -vm.laptop_mode=5 -vm.swappiness=0 -vm.dirty_writeback_centisecs=1500 -vm.dirty_expire_centisecs=1500 - # Uncomment the next line to enable packet forwarding for IPv6 # Enabling this option disables Stateless Address Autoconfiguration # based on Router Advertisements for this host -- 2.8.1
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