hi,
I have any error after update packages:
`root@OpenWrt:~# opkg update
Downloading http://downloads.openwrt.org/releases/18.06.0-rc1/targets/brcm63xx/generic/packages/Packages.gz
*** Failed to download the package list from http://downloads.openwrt.org/releases/18.06.0-rc1/targets/brcm63xx/generic/packages/Packages.gz
Downloading http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/base/Packages.gz
*** Failed to download the package list from http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/base/Packages.gz
Downloading http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/luci/Packages.gz
*** Failed to download the package list from http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/luci/Packages.gz
Downloading http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/packages/Packages.gz
*** Failed to download the package list from http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/packages/Packages.gz
Downloading http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/routing/Packages.gz
*** Failed to download the package list from http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/routing/Packages.gz
Downloading http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/telephony/Packages.gz
*** Failed to download the package list from http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/telephony/Packages.gz
Collected errors:
* xsystem: wget: vfork: Out of memory.
* opkg_download: Failed to download http://downloads.openwrt.org/releases/18.06.0-rc1/targets/brcm63xx/generic/packages/Packages.gz, wget returned -1.
* xsystem: wget: vfork: Out of memory.
* opkg_download: Failed to download http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/base/Packages.gz, wget returned -1.
* xsystem: wget: vfork: Out of memory.
* opkg_download: Failed to download http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/luci/Packages.gz, wget returned -1.
* xsystem: wget: vfork: Out of memory.
* opkg_download: Failed to download http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/packages/Packages.gz, wget returned -1.
* xsystem: wget: vfork: Out of memory.
* opkg_download: Failed to download http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/routing/Packages.gz, wget returned -1.
* xsystem: wget: vfork: Out of memory.
* opkg_download: Failed to download http://downloads.openwrt.org/releases/18.06.0-rc1/packages/mips_mips32/telephony/Packages.gz, wget returned -1.
root@OpenWrt:~# `
why ?