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Crash when calling scan on Linux. #30

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nzoschke opened this issue Mar 26, 2010 · 2 comments
Open

Crash when calling scan on Linux. #30

nzoschke opened this issue Mar 26, 2010 · 2 comments

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@nzoschke
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On Debian Linux (armel), I cloned HEAD and compiled with make && make scanner. Trying to use the scanner results in a crash. Perhaps related to not having fswatcher on Linux?

(playdar@localhost)1> library_dets:scan(playdar_resolver:resolver_pid(library_dets), "/music").      

=ERROR REPORT==== 26-Mar-2010::10:29:50 ===
** Generic server <0.86.0> terminating 
** Last message in was {scan,"/music"}
** When Server state == {state,<0.91.0>,"./library_index.db","./library.db",
                               [],undefined}
** Reason for termination == 
** {noproc,{gen_server,call,[fswatcher_driver,{restart_port,"/music"}]}}

=CRASH REPORT==== 26-Mar-2010::10:29:50 ===
  crasher:
    initial call: library_dets:init/1
    pid: <0.86.0>
    registered_name: []
    exception exit: {noproc,
                        {gen_server,call,
                            [fswatcher_driver,{restart_port,"/music"}]}}
      in function  gen_server:terminate/6
    ancestors: [playdar_modules_sup,playdar_sup,<0.59.0>]
    messages: []
    links: [<0.80.0>,<0.83.0>,<0.76.0>]
    dictionary: []
    trap_exit: false
    status: running
    heap_size: 610
    stack_size: 24
    reductions: 272
  neighbours:

=SUPERVISOR REPORT==== 26-Mar-2010::10:29:50 ===
     Supervisor: {local,playdar_modules_sup}
     Context:    child_terminated
     Reason:     {noproc,{gen_server,call,
                                     [fswatcher_driver,
                                      {restart_port,"/music"}]}}
     Offender:   [{pid,<0.86.0>},
                  {name,library_dets},
                  {mfa,{library_dets,start_link,[]}},
                  {restart_type,transient},
                  {shutdown,5},
                  {child_type,worker}]

** exception exit: {{noproc,{gen_server,call,
                                        [fswatcher_driver,{restart_port,"/music"}]}},
                    {gen_server,call,[<0.86.0>,{scan,"/music"},infinity]}}
     in function  gen_server:call/3
(playdar@localhost)2> 2010/03/26 10:29:50 info library_dets Library index contains 1 files

=PROGRESS REPORT==== 26-Mar-2010::10:29:50 ===
          supervisor: {local,playdar_modules_sup}
             started: [{pid,<0.94.0>},
                       {name,library_dets},
                       {mfa,{library_dets,start_link,[]}},
                       {restart_type,transient},
                       {shutdown,5},
                       {child_type,worker}]
2010/03/26 10:29:50 info playdar_resolver add_resolver: library_dets 'Local Library using DETS' Weight:100 TT:20 Pid:<0.94.0> Localonly:false

=ERROR REPORT==== 26-Mar-2010::10:29:50 ===
** Generic server <0.94.0> terminating 
** Last message in was start_scanner
** When Server state == {state,undefined,"./library_index.db","./library.db",
                               [],undefined}
** Reason for termination == 
** {{badmatch,{error,{already_started,<0.91.0>}}},
    [{library_dets,handle_info,2},
     {gen_server,handle_msg,5},
     {proc_lib,init_p_do_apply,3}]}

=CRASH REPORT==== 26-Mar-2010::10:29:50 ===
  crasher:
    initial call: library_dets:init/1
    pid: <0.94.0>
    registered_name: []
    exception exit: {{badmatch,{error,{already_started,<0.91.0>}}},
                     [{library_dets,handle_info,2},
                      {gen_server,handle_msg,5},
                      {proc_lib,init_p_do_apply,3}]}
      in function  gen_server:terminate/6
    ancestors: [playdar_modules_sup,playdar_sup,<0.59.0>]
    messages: []
    links: [<0.80.0>,<0.83.0>,<0.76.0>]
    dictionary: []
    trap_exit: false
    status: running
    heap_size: 377
    stack_size: 24
    reductions: 230
  neighbours:

=SUPERVISOR REPORT==== 26-Mar-2010::10:29:50 ===
     Supervisor: {local,playdar_modules_sup}
     Context:    child_terminated
     Reason:     {{badmatch,{error,{already_started,<0.91.0>}}},
                  [{library_dets,handle_info,2},
                   {gen_server,handle_msg,5},
                   {proc_lib,init_p_do_apply,3}]}
     Offender:   [{pid,<0.94.0>},
                  {name,library_dets},
                  {mfa,{library_dets,start_link,[]}},
                  {restart_type,transient},
                  {shutdown,5},
                  {child_type,worker}]

2010/03/26 10:29:50 info library_dets Library index contains 1 files

=PROGRESS REPORT==== 26-Mar-2010::10:29:50 ===
          supervisor: {local,playdar_modules_sup}
             started: [{pid,<0.103.0>},
                       {name,library_dets},
                       {mfa,{library_dets,start_link,[]}},
                       {restart_type,transient},
                       {shutdown,5},
                       {child_type,worker}]
2010/03/26 10:29:50 info playdar_resolver add_resolver: library_dets 'Local Library using DETS' Weight:100 TT:20 Pid:<0.103.0> Localonly:false

=ERROR REPORT==== 26-Mar-2010::10:29:50 ===
** Generic server <0.103.0> terminating 
** Last message in was start_scanner
** When Server state == {state,undefined,"./library_index.db","./library.db",
                               [],undefined}
** Reason for termination == 
** {{badmatch,{error,{already_started,<0.91.0>}}},
    [{library_dets,handle_info,2},
     {gen_server,handle_msg,5},
     {proc_lib,init_p_do_apply,3}]}

=CRASH REPORT==== 26-Mar-2010::10:29:50 ===
  crasher:
    initial call: library_dets:init/1
    pid: <0.103.0>
    registered_name: []
    exception exit: {{badmatch,{error,{already_started,<0.91.0>}}},
                     [{library_dets,handle_info,2},
                      {gen_server,handle_msg,5},
                      {proc_lib,init_p_do_apply,3}]}
      in function  gen_server:terminate/6
    ancestors: [playdar_modules_sup,playdar_sup,<0.59.0>]
    messages: []
    links: [<0.80.0>,<0.83.0>,<0.76.0>]
    dictionary: []
    trap_exit: false
    status: running
    heap_size: 377
    stack_size: 24
    reductions: 230
  neighbours:

=SUPERVISOR REPORT==== 26-Mar-2010::10:29:50 ===
     Supervisor: {local,playdar_modules_sup}
     Context:    child_terminated
     Reason:     {{badmatch,{error,{already_started,<0.91.0>}}},
                  [{library_dets,handle_info,2},
                   {gen_server,handle_msg,5},
                   {proc_lib,init_p_do_apply,3}]}
     Offender:   [{pid,<0.103.0>},
                  {name,library_dets},
                  {mfa,{library_dets,start_link,[]}},
                  {restart_type,transient},
                  {shutdown,5},
                  {child_type,worker}]

2010/03/26 10:29:50 info library_dets Library index contains 1 files

=PROGRESS REPORT==== 26-Mar-2010::10:29:50 ===
          supervisor: {local,playdar_modules_sup}
             started: [{pid,<0.110.0>},
                       {name,library_dets},
                       {mfa,{library_dets,start_link,[]}},
                       {restart_type,transient},
                       {shutdown,5},
                       {child_type,worker}]
2010/03/26 10:29:50 info playdar_resolver add_resolver: library_dets 'Local Library using DETS' Weight:100 TT:20 Pid:<0.110.0> Localonly:false

=ERROR REPORT==== 26-Mar-2010::10:29:50 ===
** Generic server <0.110.0> terminating 
** Last message in was start_scanner
** When Server state == {state,undefined,"./library_index.db","./library.db",
                               [],undefined}
** Reason for termination == 
** {{badmatch,{error,{already_started,<0.91.0>}}},
    [{library_dets,handle_info,2},
     {gen_server,handle_msg,5},
     {proc_lib,init_p_do_apply,3}]}

=CRASH REPORT==== 26-Mar-2010::10:29:50 ===
  crasher:
    initial call: library_dets:init/1
    pid: <0.110.0>
    registered_name: []
    exception exit: {{badmatch,{error,{already_started,<0.91.0>}}},
                     [{library_dets,handle_info,2},
                      {gen_server,handle_msg,5},
                      {proc_lib,init_p_do_apply,3}]}
      in function  gen_server:terminate/6
    ancestors: [playdar_modules_sup,playdar_sup,<0.59.0>]
    messages: []
    links: [<0.80.0>,<0.83.0>,<0.76.0>]
    dictionary: []
    trap_exit: false
    status: running
    heap_size: 377
    stack_size: 24
    reductions: 230
  neighbours:

=SUPERVISOR REPORT==== 26-Mar-2010::10:29:50 ===
     Supervisor: {local,playdar_modules_sup}
     Context:    child_terminated
     Reason:     {{badmatch,{error,{already_started,<0.91.0>}}},
                  [{library_dets,handle_info,2},
                   {gen_server,handle_msg,5},
                   {proc_lib,init_p_do_apply,3}]}
     Offender:   [{pid,<0.110.0>},
                  {name,library_dets},
                  {mfa,{library_dets,start_link,[]}},
                  {restart_type,transient},
                  {shutdown,5},
                  {child_type,worker}]


=SUPERVISOR REPORT==== 26-Mar-2010::10:29:50 ===
     Supervisor: {local,playdar_modules_sup}
     Context:    shutdown
     Reason:     reached_max_restart_intensity
     Offender:   [{pid,<0.110.0>},
                  {name,library_dets},
                  {mfa,{library_dets,start_link,[]}},
                  {restart_type,transient},
                  {shutdown,5},
                  {child_type,worker}]


=SUPERVISOR REPORT==== 26-Mar-2010::10:29:50 ===
     Supervisor: {local,playdar_sup}
     Context:    child_terminated
     Reason:     shutdown
     Offender:   [{pid,<0.83.0>},
                  {name,playdar_modules_sup},
                  {mfa,{playdar_modules_sup,start_link,[]}},
                  {restart_type,permanent},
                  {shutdown,infinity},
                  {child_type,supervisor}]

2010/03/26 10:29:50 info playdar_reader_registry handler added for protocol: file
2010/03/26 10:29:50 info playdar_reader_registry handler added for protocol: http

=PROGRESS REPORT==== 26-Mar-2010::10:29:51 ===
          supervisor: {local,playdar_modules_sup}
             started: [{pid,<0.120.0>},
                       {name,fake_resolver},
                       {mfa,{fake_resolver,start_link,[]}},
                       {restart_type,transient},
                       {shutdown,5},
                       {child_type,worker}]
2010/03/26 10:29:51 info playdar_resolver add_resolver: fake_resolver 'Fake Mokele Resolver' Weight:50 TT:25 Pid:<0.120.0> Localonly:true

=PROGRESS REPORT==== 26-Mar-2010::10:29:51 ===
          supervisor: {local,playdar_modules_sup}
             started: [{pid,<0.121.0>},
                       {name,lan_resolver},
                       {mfa,{lan_resolver,start_link,[]}},
                       {restart_type,transient},
                       {shutdown,5},
                       {child_type,worker}]
2010/03/26 10:29:51 info playdar_resolver add_resolver: lan_resolver 'Lan' Weight:95 TT:50 Pid:<0.121.0> Localonly:false
2010/03/26 10:29:51 info library_dets Library index contains 1 files

=PROGRESS REPORT==== 26-Mar-2010::10:29:51 ===
          supervisor: {local,playdar_modules_sup}
             started: [{pid,<0.122.0>},
                       {name,library_dets},
                       {mfa,{library_dets,start_link,[]}},
                       {restart_type,transient},
                       {shutdown,5},
                       {child_type,worker}]

=PROGRESS REPORT==== 26-Mar-2010::10:29:51 ===
          supervisor: {local,playdar_sup}
             started: [{pid,<0.119.0>},
                       {name,playdar_modules_sup},
                       {mfa,{playdar_modules_sup,start_link,[]}},
                       {restart_type,permanent},
                       {shutdown,infinity},
                       {child_type,supervisor}]
2010/03/26 10:29:51 info playdar_resolver add_resolver: library_dets 'Local Library using DETS' Weight:100 TT:20 Pid:<0.122.0> Localonly:false

=PROGRESS REPORT==== 26-Mar-2010::10:29:51 ===
          supervisor: {local,playdar_modules_sup}
             started: [{pid,<0.127.0>},
                       {name,scanner},
                       {mfa,{scanner,start_link,[<0.122.0>]}},
                       {restart_type,permanent},
                       {shutdown,brutal_kill},
                       {child_type,worker}]
@nzoschke
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When running scan from playdarctl:

noah@NAS:~/playdar$ ./playdarctl numfiles
1
noah@NAS:~/playdar$ ./playdarctl scan "/music"
Failed to communicate with playdar@localhost: {'EXIT',
                                               {{noproc,
                                                 {gen_server,call,
                                                  [fswatcher_driver,
                                                   {restart_port,"/music"}]}},
                                                {gen_server,call,
                                                 [<4523.131.0>,
                                                  {scan,"/music"},
                                                  infinity]}}}
Usage: playdarctl 
       (additional commands available once playdar is running)
noah@NAS:~/playdar$ ./playdarctl numfiles
1

@nzoschke
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This happens on Debian amd64 under VMWare too, so I don't think it's an architecture issue

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@nzoschke