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Re: RTL8188EU (LogiLink WL0151A) - Malformed packets

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Hi

> I have also tested the driver from https://github.com/aircrack-ng/rtl8188eus
>
> The problem occurs here too, but much less frequently than in the
> rtl8xxxu driver. The strange thing is that sometimes I have 99% of
> broken packets with the rtl8xxxu driver, but sometimes only 1%...
> With the aircrack-ng driver I had maybe about 2% of failures.

Now I was just able to get the issue using the v5.2.2.4 driver too,
but not so frequent:

tcpdump -ni wlan0
19:39:26.407253 IP 10.10.0.111 > 10.10.0.1: ICMP echo request, id
34080, seq 1, length 1438
19:39:26.410520 IP truncated-ip - 4 bytes missing! 10.10.0.1 >
10.10.0.111: ICMP echo reply, id 34080, seq 1, length 1438
19:39:27.442835 IP 10.10.0.111 > 10.10.0.1: ICMP echo request, id
34080, seq 2, length 1438
19:39:27.445703 IP truncated-ip - 4 bytes missing! 10.10.0.1 >
10.10.0.111: ICMP echo reply, id 34080, seq 2, length 1438
19:39:28.482846 IP 10.10.0.111 > 10.10.0.1: ICMP echo request, id
34080, seq 3, length 1438
19:39:28.490406 IP truncated-ip - 4 bytes missing! 10.10.0.1 >
10.10.0.111: ICMP echo reply, id 34080, seq 3, length 1438
19:39:29.522723 IP 10.10.0.111 > 10.10.0.1: ICMP echo request, id
34080, seq 4, length 1438
19:39:29.525468 IP 10.10.0.1 > 10.10.0.111: ICMP echo reply, id 34080,
seq 4, length 1438
19:39:30.524193 IP 10.10.0.111 > 10.10.0.1: ICMP echo request, id
34080, seq 5, length 1438
19:39:30.527100 IP 10.10.0.1 > 10.10.0.111: ICMP echo reply, id 34080,
seq 5, length 1438
19:39:31.525775 IP 10.10.0.111 > 10.10.0.1: ICMP echo request, id
34080, seq 6, length 1438
19:39:31.528707 IP 10.10.0.1 > 10.10.0.111: ICMP echo reply, id 34080,
seq 6, length 1438
19:39:32.527400 IP 10.10.0.111 > 10.10.0.1: ICMP echo request, id
34080, seq 7, length 1438
19:39:32.531262 IP 10.10.0.1 > 10.10.0.111: ICMP echo reply, id 34080,
seq 7, length 1438

Apr 19 19:39:26 kern.warn kernel: [ 3228.967023]
rtl8188e_query_rx_desc_status: pkt_len: 1504
Apr 19 19:39:27 kern.warn kernel: [ 3230.002515]
rtl8188e_query_rx_desc_status: pkt_len: 1504
Apr 19 19:39:28 kern.warn kernel: [ 3231.047199]
rtl8188e_query_rx_desc_status: pkt_len: 1504
Apr 19 19:39:29 kern.warn kernel: [ 3232.082274]
rtl8188e_query_rx_desc_status: pkt_len: 1508
Apr 19 19:39:30 kern.warn kernel: [ 3233.083901]
rtl8188e_query_rx_desc_status: pkt_len: 1508

Thanks, Artem



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