ZTE MF683

[Shawn J. Goff]

> Oops? if this can be easily triggered, can you run it in the following
> way and get me a backtrace (compile it with -ggdb and -O0 as well)?
>
> sudo gdb --args qmicli --nas-get-signal-strength -d /dev/cdc-wdm1
>

I finally got gdb working on my board. Does this help?


(gdb) start
Temporary breakpoint 1 at 0x13a70: file qmicli.c, line 469.
Starting program: /usr/bin/qmicli --nas-get-signal-strength -d /dev/cdc-wdm1
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".

Temporary breakpoint 1, main (argc=4, argv=0xbed33d74) at qmicli.c:469
469     qmicli.c: No such file or directory.
(gdb) continue
Continuing.
[New Thread 0x40df8470 (LWP 450)]
**
ERROR:qmi-utils.c:72:qmi_utils_read_guint8_from_buffer: assertion
failed: (*buffer_size >= 1)

Program received signal SIGABRT, Aborted.
0x404f47cc in raise () from /lib/libc.so.6
(gdb) bt
#0  0x404f47cc in raise () from /lib/libc.so.6
#1  0x404f5c54 in abort () from /lib/libc.so.6
#2  0x404f5c54 in abort () from /lib/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb) start
The program being debugged has been started already.
Start it from the beginning? (y or n) n
Program not restarted.
(gdb) continue
Continuing.
[Thread 0x40df8470 (LWP 450) exited]

Program terminated with signal SIGABRT, Aborted.
The program no longer exists.
(gdb) start
Temporary breakpoint 2 at 0x13a70: file qmicli.c, line 469.
Starting program: /usr/bin/qmicli --nas-get-signal-strength -d /dev/cdc-wdm1
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".

Temporary breakpoint 2, main (argc=4, argv=0xbeb79d74) at qmicli.c:469
469     in qmicli.c
(gdb) break qmi_utils_read_guint8_from_buffer
Breakpoint 3 at 0x40183748: file qmi-utils.c, line 69.
(gdb) continue
Continuing.
[New Thread 0x40dbc470 (LWP 452)]

Breakpoint 3, qmi_utils_read_guint8_from_buffer (buffer=0xbeb79ae4,
    buffer_size=0xbeb79ae8, out=0xbeb79aee "") at qmi-utils.c:69
69      qmi-utils.c: No such file or directory.
(gdb) bt
#0  qmi_utils_read_guint8_from_buffer (buffer=0xbeb79ae4,
    buffer_size=0xbeb79ae8, out=0xbeb79aee "") at qmi-utils.c:69
#1  0x4018aecc in qmi_message_ctl_allocate_cid_response_parse (
    message=<optimized out>, error=0xbeb79b1c) at qmi-ctl.c:1641
#2  0x4018afc4 in allocate_cid_ready (device=<optimized out>,
    res=<optimized out>, simple=0x2e448) at qmi-ctl.c:3939
#3  0x402a11d4 in g_simple_async_result_complete ()
   from /usr/lib/libgio-2.0.so.0
#4  0x402a1220 in ?? () from /usr/lib/libgio-2.0.so.0
Cannot access memory at address 0x0
#5  0x402a1220 in ?? () from /usr/lib/libgio-2.0.so.0
Cannot access memory at address 0x0
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb)