Segmentation fault on ARM while acessing the server using wget #285
Comments
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Could you attach the full backtrace from GDB, @depikaraj, when compiling for debug with Thanks! |
@netromdk Here is the backtrace for ref. |
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From what I can see is that: void end()
{
if (!completed_)
{
completed_ = true;
if (complete_request_handler_)
{
complete_request_handler_(); // <-- This gets called in frame 4 in crow/http_response.h:108.
}
}
}Which invokes crow/http_connection.h:338: void complete_request()
{
CROW_LOG_INFO << "Response: " << this << ' ' << req_.raw_url << ' ' << res.code << ' ' << close_connection_;
...But It also goes through routing.h:1048: if (rule_index == RULE_SPECIAL_REDIRECT_SLASH)
{
CROW_LOG_INFO << "Redirecting to a url with trailing slash: " << req.url;
res = response(301);
...Could you try doing |
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@netromdk |
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Try using |
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@netromdk This hid the logs while running but still the program segfaulted. |
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I meant adding that line right after: crow::SimpleApp app;But the effect is the same because What needs to be done is finding out why the captured |
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@netromdk Thanks for the response. I successfully cross compiled crow server for ARM and currently trying to run the server on it. This is how my cpp looks I did try to suppress the logs previously by commenting the #define CROW_ENABLE_LOGGING. |
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It would be useful to see some extra logging with |
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@netromdk Here's the extra logging. |
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I used the header crow_all.h from crow-0.1 and compiled hello world example cpp successfully. And the crow server runs on 0.0.0.0:8080. But I get a segmentation fault while trying to access the server using wget.
Machine details:
Linux witherspoon 4.10.17 armv6l GNU/Linux
root@witherspoon:/tmp# ./crow
(2018-02-19 05:12:49) [INFO ] Crow/0.1 server is running at 0.0.0.0:8080 using 1 threads
(2018-02-19 05:12:49) [INFO ] Call
app.loglevel(crow::LogLevel::Warning)to hide Info level logs.(2018-02-19 05:12:57) [INFO ] Request: 127.0.0.1:37350 0x12349f0 HTTP/1.1 GET /
Segmentation fault (core dumped)
root@witherspoon:~# wget 0.0.0.0:8080
Connecting to 0.0.0.0:8080 (0.0.0.0:8080)
wget: error getting response
On running the core file with gdb, the following was reported.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00036748 in crow::Connection<crow::SocketAdaptor, crow::Crow<>>::complete_request() (this=0x0)
at ../sysroots/armv6-openbmc-linux-gnueabi/usr/include/crow_all.h:8973
8973 if (need_to_call_after_handlers_)
Any leads on how to fix this issue? Thanks in advance.
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