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I'm using a nooelec "nesdr smart" and GnuRadio - however every time i try to
run the gnuradio program, i get a kernel fault. the computer then seems to be
unusable. it doesn't crash, but it becomes unstable - various programs don't
work correctly, can't edit files... the only way to resolve this is to reboot.
The problem appears reliably every time. I get a an error reported,
which i can see with dmesg. I can't save the error to a file - as saving
files doesn't seem to work correctly after this error (e.g. vi
error.txt, then save will hang)
I'll add some details about the error here, and attach a screenshot.
(this is me transcribing the screenshot, so hopefully accurate!)
general protection fault: 0000 [#1] SMP PTI
CPU: 3: PID: 866 Comm: kworker/3:3 Tainted: P
Workqueue: events rtl2832_i2c_gate_work [rtl2832]
call trace:
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __switch_to_xtra+0x1ae/0x5e0
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __switch_to_asm+0x40/0x70
__mutex_lock_slowpath+0x13/0x20
mutex_lock+0x2e/0x40
regmap_lock_mutex+0xe/0x10
regmap_update_bits_base+0x3b/0x90
rtl2832_i2c_gate_work+0x31/0x70 [rtl2832]
process_one_work+0x1eb/0x3b0
RIP: 0010:__mutex_lock.isra.0+0x78/0x4f0
uname -a
Linux beasty 5.4.0-77-generic #86-Ubuntu SMP Thu Jun 17 02:35:03 UTC 2021
x86_64 x86_64 x86_64 GNU/Linux
Memory: 65678960K/67040508K available (14339K kernel code, 2400K rwdata,
5008K rodata, 2736K init, 4964K bss, 1361548K reserved, 0K cma-reserved)
CPU0: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz (family: 0x6, model:
0x5e, stepping: 0x3)
happy to supply further information if required.
Thanks!
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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GPF in rtl2832
https://bugs.launchpad.net/bugs/1937031
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