https://bugs.kde.org/show_bug.cgi?id=514602
Bug ID: 514602
Summary: Incompatibility between the Qualcomm Fast Connect 7800
Wifi 7 card and KDE Connect is causing the internet
connection to reset randomly.
Classification: Applications
Product: kdeconnect
Version First 25.12.1
Reported In:
Platform: CachyOS
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: plasmoid
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
Incompatibility between the Qualcomm Fast Connect 7800 Wifi 7 card and KDE
Connect is causing the internet connection to reset randomly.
STEPS TO REPRODUCE
1. Use KDE Connect
2. Wait until a problem occurs between Qualcomm and KDE Connect at some point.
3. Wait for the system to reset the Wifi card when it doesn't receive a
response from KDE Connect.
4. Experience the internet not working for about 10 seconds.
OBSERVED RESULT
Internet connection loss for couple of seconds
EXPECTED RESULT
No internet connection or speed loss
SOFTWARE/OS VERSIONS
(available in the Info Center app, or by running `kinfo` in a terminal window)
Operating System: CachyOS Linux
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.1
Kernel Version: 6.18.5-2-cachyos (64-bit)
Graphics Platform: Wayland
Processors: 32 × AMD Ryzen 9 9955HX 16-Core Processor
Memory: 32 GiB of RAM (30.5 GiB usable)
Graphics Processor 1: AMD Ryzen 9 9955HX 16-Core Processor
Graphics Processor 2: NVIDIA GeForce RTX 5070 Ti Laptop GPU
ADDITIONAL INFORMATION
I think this might be useful, I am not an expert but I strongly believe
something is not right, I have a little bit logs to back it up
18:05:48 CachyOS-GG systemd-journald[788]: Time jumped backwards, rotating.
18:06:31 CachyOS-GG kernel: nvme nvme0: using unchecked data buffer
18:06:33 CachyOS-GG kernel: warning: `kdeconnectd' uses wireless extensions
which will stop working for Wi-Fi 7 hardware; use nl80211
18:46:28 CachyOS-GG kernel: eglinfo[17557]: segfault at 20 ip 00007f095bf9f6cd
sp 00007ffc89f5c4e0 error 4 in
libwayland-client.so.0.24.0[56cd,7f095bf9d000+7000] likely on CPU 0>
18:46:28 CachyOS-GG kernel: Code: 43 18 48 89 c5 49 39 c5 0f 85 2c ff ff ff eb
c6 66 90 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 55 53 48 89 fd 48 83 ec
08 <48> 8b 47 20 48 >
18:58:33 CachyOS-GG kernel: __ath12k_warn: 25 callbacks suppressed
18:58:33 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: failed to transmit frame
-108
18:58:33 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: failed to transmit frame
-108
18:58:33 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: failed to transmit frame
-108
18:58:33 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: failed to transmit frame
-108
18:58:33 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: Uploading coredump
18:58:33 CachyOS-GG kernel: mhi mhi0: Requested to power ON
18:58:33 CachyOS-GG kernel: mhi mhi0: Power on setup success
18:58:33 CachyOS-GG kernel: mhi mhi0: Wait for device to enter SBL or Mission
mode
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: chip_id 0x2 chip_family
0x4 board_id 0xff soc_id 0x40170200
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: fw_version 0x110cffff
fw_build_timestamp 2025-06-25 09:26 fw_build_id
QC_IMAGE_VERSION_STRING=WLAN.HMT.1.1.c5-00302-QCAHMTSW>
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: failed to install DSM
notify callback: 7
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: Last interrupt received
for each CE:
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: CE_id 0 pipe_num 0
3195725ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: CE_id 1 pipe_num 1
3179012ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: CE_id 2 pipe_num 2 1184ms
before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: CE_id 3 pipe_num 3 4898ms
before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: CE_id 5 pipe_num 5
2900837ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0:
Last interrupt received for each group:
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 0 939536ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 1 2900837ms
before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 2 1189ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 3 1228ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 4 1083ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 5 1293ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 6 1516ms before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 7 2900837ms
before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 8 2900837ms
before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 9 2900837ms
before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: group_id 10 2900837ms
before
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 0 tp 0, cur hp
0, cached hp 0 last hp 0 napi processed before 939536ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 1 tp 1992, cur
hp 1992, cached hp 1992 last hp 1992 napi processed before 1228ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 2 tp 11616,
cur hp 11616, cached hp 11616 last hp 11616 napi processed before 1083ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 3 tp 12792,
cur hp 12792, cached hp 12792 last hp 12792 napi processed before 1293ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 4 tp 10216,
cur hp 10216, cached hp 10216 last hp 10216 napi processed before 1516ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 5 tp 0, cur hp
0, cached hp 0 last hp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 6 tp 0, cur hp
0, cached hp 0 last hp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 7 tp 0, cur hp
0, cached hp 0 last hp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 8 tp 0, cur hp
0, cached hp 0 last hp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 16 hp 0,
reap_hp 248, cur tp 0, cached tp 0 last tp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 20 hp 492,
reap_hp 492, cur tp 288, cached tp 288 last tp 288 napi processed before 646ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 21 tp 672, cur
hp 672, cached hp 672 last hp 672 napi processed before 939536ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 24 hp 200,
reap_hp 200, cur tp 200, cached tp 192 last tp 192 napi processed before
939539ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 25 hp 0,
reap_hp 4088, cur tp 0, cached tp 0 last tp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 26 hp 3552,
reap_hp 3552, cur tp 3552, cached tp 3528 last tp 3528 napi processed before
935ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 64 hp 12,
reap_hp 8, cur tp 12, cached tp 12 last tp 8 napi processed before 3195725ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 67 hp 16,
reap_hp 12, cur tp 16, cached tp 16 last tp 12 napi processed before 4898ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 68 hp 52,
reap_hp 48, cur tp 52, cached tp 52 last tp 44 napi processed before 3194467ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 82 hp 2,
reap_hp 2, cur tp 6, cached tp 6 last tp 6 napi processed before 3179012ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 83 hp 0,
reap_hp 0, cur tp 4, cached tp 2 last tp 2 napi processed before 1184ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 101 tp 12, cur
hp 12, cached hp 12 last hp 12 napi processed before 3179012ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 102 tp 8, cur
hp 8, cached hp 8 last hp 8 napi processed before 1184ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 120 hp 65534,
reap_hp 65534, cur tp 0, cached tp 0 last tp 0 napi processed before 3195729ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 121 hp 0,
reap_hp 504, cur tp 0, cached tp 0 last tp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 128 tp 200,
cur hp 200, cached hp 200 last hp 200 napi processed before 939536ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 130 tp 0, cur
hp 0, cached hp 0 last hp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 131 tp 0, cur
hp 0, cached hp 0 last hp 0 napi processed before 939536ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 132 tp 31936,
cur hp 31936, cached hp 31936 last hp 31936 napi processed before 1189ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 160 hp 5056,
reap_hp 5056, cur tp 3986, cached tp 3986 last tp 3986 napi processed before
1083ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 161 hp 0,
reap_hp 4094, cur tp 0, cached tp 0 last tp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 169 hp 0,
reap_hp 4094, cur tp 0, cached tp 0 last tp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 185 hp 2046,
reap_hp 2046, cur tp 0, cached tp 0 last tp 0 napi processed before 3195726ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: dst srng id 186 tp 0, cur
hp 0, cached hp 0 last hp 0 napi processed before 2900837ms
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: src srng id 193 hp 2046,
reap_hp 2046, cur tp 0, cached tp 0 last tp 0 napi processed before 3195726ms
18:58:34 CachyOS-GG kernel: ieee80211 phy0: Hardware restart was requested
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: pdev 0 successfully
recovered
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: failed to pull fw stats:
-71
18:58:34 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: failed to pull fw stats:
-71
18:58:35 CachyOS-GG kernel: ath12k_pci 0000:03:00.0: time out while waiting for
get fw stats
18:58:44 CachyOS-GG kernel: wlan0: authenticate with 52:ff:20:86:f8:ce (local
address=f4:ab:5c:90:6c:0f)
18:58:44 CachyOS-GG kernel: wlan0: send auth to 52:ff:20:86:f8:ce (try 1/3)
18:58:44 CachyOS-GG kernel: wlan0: authenticated
18:58:44 CachyOS-GG kernel: wlan0: associate with 52:ff:20:86:f8:ce (try 1/3)
18:58:44 CachyOS-GG kernel: wlan0: RX AssocResp from 52:ff:20:86:f8:ce
(capab=0x1911 status=0 aid=16)
18:58:44 CachyOS-GG kernel: wlan0: associated
18:58:44 CachyOS-GG kernel: wlan0: Limiting TX power to 27 (27 - 0) dBm as
advertised by 52:ff:20:86:f8:ce
18:58:44 CachyOS-GG kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=
SRC=fe80:0000:0000:0000:1ec2:523a:6463:c79b
DST=ff02:0000:0000:0000:0000:0000:0001:0003 LEN=76 TC=0 HOPLIMIT=255 FLOWL>
18:58:44 CachyOS-GG kernel: [UFW BLOCK] IN=wlan0 OUT= MAC= SRC=192.168.1.57
DST=224.0.0.252 LEN=56 TOS=0x00 PREC=0x00 TTL=255 ID=33624 PROTO=UDP SPT=5355
DPT=5355 LEN=36
18:58:44 CachyOS-GG kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=
SRC=fe80:0000:0000:0000:1ec2:523a:6463:c79b
DST=ff02:0000:0000:0000:0000:0000:0001:0003 LEN=76 TC=0 HOPLIMIT=255 FLOWL>
18:58:44 CachyOS-GG kernel: [UFW BLOCK] IN=wlan0 OUT= MAC= SRC=192.168.1.57
DST=224.0.0.252 LEN=56 TOS=0x00 PREC=0x00 TTL=255 ID=33789 PROTO=UDP SPT=5355
DPT=5355 LEN=36
18:58:44 CachyOS-GG kernel: [UFW BLOCK] IN=wlan0 OUT= MAC=
SRC=fe80:0000:0000:0000:1ec2:523a:6463:c79b
DST=ff02:0000:0000:0000:0000:0000:0001:0003 LEN=76 TC=0 HOPLIMIT=255 FLOWL>
18:58:44 CachyOS-GG kernel: [UFW BLOCK] IN=wlan0 OUT= MAC= SRC=192.168.1.57
DST=224.0.0.252 LEN=56 TOS=0x00 PREC=0x00 TTL=255 ID=33868 PROTO=UDP SPT=5355
DPT=5355 LEN=36
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