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Hi, this is not enough information to consider this a bug so I have converted it to a discussion. Please provide more detailed steps to reproduce. |
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Describe the bug
I'm not sure if the problem is in Zephyr or if it's because of stack overflow. Also I'm not familiar with the rtc clock nor with the zephyr kernel timeout in tickless mode. The problem always occurs when I'm reseting my gsm modem and more specifically when I'm stopping PPP.
Could someone suggest if there's a chance this to be Zephyr's issue?
Logs and console output
[ 396.882812] modem_gsm: GSM network interface down
[ 397.057403] os: ***** MPU FAULT *****
[ 397.057708] os: Data Access Violation
[ 397.057983] os: MMFAR Address: 0x0
[ 397.058288] os: r0/a1: 0x20021928 r1/a2: 0x00c66dbd r2/a3: 0x00000000
[ 397.058776] os: r3/a4: 0x00000000 r12/ip: 0x00000000 r14/lr: 0x00021715
[ 397.059204] os: xpsr: 0x21000221
[ 397.059509] os: Faulting instruction address (r15/pc): 0x00021538
[ 397.059906] os: >>> ZEPHYR FATAL ERROR 0: CPU exception on CPU 0
[ 397.060302] os: Fault during interrupt handling
[ 397.060638] os: Current thread: 0x20006ee8 (unknown)
[ 397.065948] os: Halting system
Environment (please complete the following information):
Latest zephyr as of now - commit de55106
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