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FS#2567 - [ATH79] USB speed degradation on WDR4300 #7548
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vinibali: tree view of lsusb
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vinibali: The read and write speed are exactely the same with a Sandisk Ultra Fit (3.0), TDK Speedboard (2.0) and Transcend 790K (3.1). |
vinibali: With ar71xx target and 19.07-RC1 USB throughput is normal, somewhere around 8-10MB/s. [[https://forum.openwrt.org/t/gcc-toolchain-downgrade-on-19-07-snapshot-and-rc1/48955|GCC toolchain downgrade on 19.07 snapshot and RC1]] |
jneuhauser: Fix available and PR created on GitHub for master branch Will do a second PR for 19.07 if this one get accepted. |
vinibali: Hello Johann! If you want, I'll test once a snapshot build is available. Regards |
jneuhauser: Fix is accepted and snapshot builds are already build with included fixes... PR for 19.07 is created #2683 |
jneuhauser: Fix is cherry-picked on the 19.07 branch and should be in the 19.07.2 release. |
vinibali: Hello Johann, sorry for the so late answer. |
vinibali:
Hello!
I experience huge speed loss on the lastest build (Thu Oct 24 21:58:18 2019) using the ath79 snapshot image builder. I had the same problem on the ~2 weeks earlier build as well, just wanted to have a try on the up to date version now.
Built configuration on both 18.04.6 and 19.07:
PROFILE=tplink_tl-wdr4300-v1 PACKAGES="block-mount diffutils f2fs-tools kmod-fs-f2fs kmod-mtd-rw kmod-usb-storage luci mailsend-nossl minidlna nfs-kernel-server ppp-mod-pppoe shadow-su transmission-daemon-mbedtls transmission-remote-mbedtls vsftpd usbreset zram-swap -ip6tables -kmod-ip6tables -kmod-ipv6 -kmod-nf-conntrack6 -kmod-nf-ipt6 -libopenssl1.1 -odhcp6c -odhcpd-ipv6only -luci-proto-ipv6 -libip6tc2"
Drive: Kingston DT G3 32GB (old one, better quality with Intel MLC flash)
Firewall: w and w/o flow offload on 19.07
Model: TP-Link WDR4300 v1
File read speeds:
18.06.4 orig vstpd 542M 75s 7,2MB/s
18.06.4 pepe2k vstpd 542M 64s 7,2MB/s
19.07 pepe2k vstpd 542M 543s 1,0MB/s
19.07 pepe2k dd+nc 256M 321s 0,8MB/s
I'm using pepe2k's uboot image (CPU clocked to 600MHz). However I didn't revert the uboot partition now, I did for a few weeks, nothing has changed.
Let me know if I can help the troubleshooting anyway. Dmesg logs are attached for all mentioned configurations (18.06.4 orig, 18.06.4 pepe2k, 19.07 pepe2k).
Best regards
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