Thank Cater!

On 9/16/24 14:08, Andrew M.A. Cater wrote:
Is this the USB stick adapter?
my wifi adapter is Realtek  RTL8188EUS 802.11n Wireless Adapter, it uses firmware rtlwifi/rtl8188eufw.bin
i have downgraded kernel to linux-image-6.1.0-17-amd64, hopefully it can
solve my problem

Sep 13 18:04:23 debian dhclient[1544]: DHCPREQUEST for 192.168.43.217 on
wlx123 to 192.168.43.143 port 67
Sep 13 18:04:38 debian dhclient[1544]: DHCPREQUEST for 192.168.43.217 on
wlx123 to 192.168.43.143 port 67
Request going out for an IP address - does your router provide one?
hot spot of cell phone might be down, but it shall not cause problem for linux
Sep 13 18:04:53 debian kernel: INFO: task RTW_CMD_THREAD:561 blocked for
more than 483 seconds.
Sep 13 18:04:53 debian kernel:       Tainted: G         C 6.1.0-25-amd64 #1
Debian 6.1.106-3
Why tainted - is this a kernel you've built yourself / have you had to add
extra support for another device eg a graphics card?
kernel isn't built by me, display card is Radeon Xpress 200 Series, i install xserver-xorg-video-ati for it
Sep 13 18:04:53 debian kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Sep 13 18:04:53 debian kernel: task:RTW_CMD_THREAD  state:D stack:0
pid:561   ppid:2      flags:0x00004000
Sep 13 18:04:53 debian kernel: Call Trace:
Sep 13 18:04:53 debian kernel:  <TASK>
Sep 13 18:04:53 debian kernel:  __schedule+0x34d/0x9e0
Sep 13 18:04:53 debian kernel:  schedule+0x5a/0xd0
Sep 13 18:04:53 debian kernel:  schedule_timeout+0x118/0x150
Sep 13 18:04:53 debian kernel:  wait_for_completion+0x86/0x160
Sep 13 18:04:53 debian kernel:  ? rtw_setassocsta_cmdrsp_callback+0x80/0x80
[r8188eu]
Sep 13 18:04:53 debian kernel:  rtw_cmd_thread+0x3f/0x180 [r8188eu]
Seems to be the WiFi adapter here in the stack trace

Sep 13 18:04:53 debian kernel:  kthread+0xda/0x100
Sep 13 18:04:53 debian kernel:  ? kthread_complete_and_exit+0x20/0x20
Sep 13 18:04:53 debian kernel:  ret_from_fork+0x22/0x30
Sep 13 18:04:53 debian kernel:  </TASK>
Return from fork and IP address being requested again ...

Sep 13 18:04:57 debian dhclient[1544]: DHCPREQUEST for 192.168.43.217 on

Repeating the above
it will repeat for more time or forever if i don't restart pc

All the very best, as ever,

Andy
(amaca...@debian.org)

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