..png)
$ PING www.debian.org(klecker-misc.debian.org (2001:67c:2564:a119::148:14)) 56 data bytes
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=1 ttl=56 time=19481 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=2 ttl=56 time=18474 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=3 ttl=56 time=17450 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=4 ttl=56 time=16426 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=5 ttl=56 time=15402 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=6 ttl=56 time=14379 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=7 ttl=56 time=13355 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=8 ttl=56 time=12331 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=9 ttl=56 time=11307 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=10 ttl=56 time=10283 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=11 ttl=56 time=9259 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=12 ttl=56 time=8235 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=13 ttl=56 time=7211 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=14 ttl=56 time=6187 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=15 ttl=56 time=5164 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=16 ttl=56 time=4140 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=17 ttl=56 time=3112 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=18 ttl=56 time=2092 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=19 ttl=56 time=1068 ms
64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=20 ttl=56 time=44.1 ms
^C
--- www.debian.org ping statistics ---
21 packets transmitted, 20 received, 4.7619% packet loss, time 384ms
rtt min/avg/max/mdev = 44.100/9770.030/19481.037/5902.815 ms, pipe 20
패킷 손실은 괜찮지만 대기 시간이 20초에 달하는 경우도 있습니다.
네트워크 카드 정보:
description: Wireless interface
product: QCA6174 802.11ac Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:05:00.0
logical name: wlp5s0
version: 32
serial: 74:40:bb:24:89:33
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath10k_pci driverversion=4.19.0-5-amd64 firmware=RM.4.4.1.c2-00057-QCARMSWP-1 ip=192.xxx.x.xx latency=0 link=yes multicast=yes wireless=IEEE 802.11
저는 커널 버전으로 데비안 10(버스터)을 사용하고 있는데 4.19.0-5-amd64, 몇 주 전에는 데비안 9를 아무 문제 없이 사용했습니다. 따라서 이것은 확실히 하드웨어 문제가 아닙니다.
그렇다면 이 드라이버 문제를 해결하는 방법은 무엇입니까? 교체하거나 업그레이드/다운그레이드해야 합니까? (저는 Wi-Fi 드라이버를 조정해 본 적이 없어서 실제로 어떻게 해야 하는지 모르겠습니다.)