[FS#284] WRT1900acs, wifi stops workign under havy load

[LEDE Bugs]

The following task has a new comment added:

FS#284 - WRT1900acs, wifi stops workign under havy load
User who did this - Carlo (acarlo)

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with old fstool

/dev/root on /rom type squashfs (ro,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,noatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
/dev/ubi0_1 on /overlay type ubifs (rw,noatime)
overlayfs:/overlay on / type overlay (rw,noatime,lowerdir=/,upperdir=/overlay/upper,workdir=/overlay/work)
ubi1:syscfg on /tmp/syscfg type ubifs (rw,relatime)
tmpfs on /dev type tmpfs (rw,nosuid,relatime,size=512k,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,mode=600)
/dev/sda on /mnt/hdd type ext4 (rw,relatime,data=ordered)
debugfs on /sys/kernel/debug type debugfs (rw,noatime)


root at OpenWrt:~# cat /etc/config/fstab 

config global
	option anon_swap '0'
	option anon_mount '0'
	option auto_swap '1'
	option auto_mount '1'
	option delay_root '5'
	option check_fs '0'

config mount
	option uuid 'e42f6c84-9cde-431e-ad0f-580955c28b76'
	option device '/dev/sda'
	option target '/mnt/hdd'
	option enabled '1'
	option fstype 'ext4'


with new stool

root at OpenWrt:~# mount
/dev/root on /rom type squashfs (ro,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,noatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
/dev/ubi0_1 on /overlay type ubifs (rw,noatime)
overlayfs:/overlay on / type overlay (rw,noatime,lowerdir=/,upperdir=/overlay/upper,workdir=/overlay/work)
ubi1:syscfg on /tmp/syscfg type ubifs (rw,relatime)
tmpfs on /dev type tmpfs (rw,nosuid,relatime,size=512k,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,mode=600)
/dev/sda on /mnt/hdd type ext4 (rw,relatime,data=ordered)
debugfs on /sys/kernel/debug type debugfs (rw,noatime)
root at OpenWrt:~# cat /etc/config/fstab 

config global
	option anon_swap '0'
	option anon_mount '0'
	option auto_swap '1'
	option auto_mount '1'
	option delay_root '5'
	option check_fs '0'

config mount
	option uuid 'e42f6c84-9cde-431e-ad0f-580955c28b76'
	option device '/dev/sda'
	option target '/mnt/hdd'
	option enabled '1'
	option fstype 'ext4'


There are not real changes, also I repeted the same test (using the new fstools) but on wired network and there are no issues, it only happens when I download from the attached hdd via wireless.

If you have any suggestion or debug/logs you want me to upload, I am more than welcome to do so.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=284#comment895