[9fans] drawterm crash log - Plan9

This is a discussion on [9fans] drawterm crash log - Plan9 ; Wow, drawterm links in a lot of shared libraries on OS X. I'll see if I can reproduce this crash, but it occurred while running Inferno (emu -v -c1 -g1200x900) in Plan 9 hosted in VMware (convoluted yes). This is ...

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Thread: [9fans] drawterm crash log

  1. [9fans] drawterm crash log

    Wow, drawterm links in a lot of shared libraries on OS X.

    I'll see if I can reproduce this crash, but it occurred while running
    Inferno (emu -v -c1 -g1200x900) in Plan 9 hosted in VMware (convoluted
    yes). This is the first time I've seen drawterm crash in
    CGContextFlush() (an OS X call) in the last two weeks of using it
    heavily, so hopefully it won't be too difficult to track down. I did
    go into full screen mode and then hit ctrl-opt to enter back into
    windowed mode just before the crash took place...




    Process: drawterm [60302]
    Path: /usr/local/bin/drawterm
    Identifier: drawterm
    Version: ??? (???)
    Code Type: X86 (Native)
    Parent Process: rc [60301]

    Date/Time: 2008-02-04 09:08:50.014 -0600
    OS Version: Mac OS X 10.5.1 (9B18)
    Report Version: 6

    Exception Type: EXC_BAD_ACCESS (SIGSEGV)
    Exception Codes: KERN_INVALID_ADDRESS at 0x00000000c00794af
    Crashed Thread: 5

    Thread 0:
    0 libSystem.B.dylib 0x9234bfae recvfrom$UNIX2003 + 10
    1 drawterm 0x00015245 ipread + 741 (devip.c:378)
    2 drawterm 0x0000a6ea devbread + 122
    3 drawterm 0x0001b51e ensure + 158 (devssl.c:
    432)
    4 drawterm 0x0001cba3 sslbread + 291 (devssl.c:
    580)
    5 drawterm 0x0001d05d sslread + 333 (devssl.c:
    683)
    6 drawterm 0x000242df kread + 287 (sysfile.c:
    408)
    7 drawterm 0x000243c2 _syspread + 66
    (sysfile.c:436)
    8 drawterm 0x000258f6 sysread + 70 (sysfile.c:
    1072)
    9 drawterm 0x0004d71c readn + 76 (readn.c:14)
    10 drawterm 0x0004d62f read9pmsg + 47
    (read9pmsg.c:15)
    11 drawterm 0x0002a6b6 exportfs + 678
    (exportfs.c:85)
    12 drawterm 0x00002980 cpumain + 848 (cpu.c:209)
    13 drawterm 0x00001e5c main + 396 (main.c:70)
    14 drawterm 0x00001c86 start + 54

    Thread 1:
    0 com.apple.HIToolbox 0x92d76e42 _MenuIterReset + 20
    1 com.apple.HIToolbox 0x92d7c526
    HIMenuBarView:rawSelf(short, __HIShape const*, CGContext*) + 706
    2 com.apple.HIToolbox 0x92d7bf81
    HIView:rawCacheOrSelf(short, __HIShape const*, CGContext*) + 95
    3 com.apple.HIToolbox 0x92d7bd8a HIView::SendDraw(short,
    OpaqueGrafPtr*, __HIShape const*, CGContext*) + 108
    4 com.apple.HIToolbox 0x92d7b9e6
    HIView::RecursiveDrawComposited(__HIShape const*, unsigned long,
    HIView*, CGContext*, unsigned char, float) + 734
    5 com.apple.HIToolbox 0x92d7bb4a
    HIView::RecursiveDrawComposited(__HIShape const*, unsigned long,
    HIView*, CGContext*, unsigned char, float) + 1090
    6 com.apple.HIToolbox 0x92d7ade8
    HIView:rawComposited(short, OpaqueGrafPtr*, __HIShape const*,
    unsigned long, HIView*, CGContext*) + 668
    7 com.apple.HIToolbox 0x92d7aafb HIView:raw(short,
    OpaqueGrafPtr*, unsigned long) + 83
    8 com.apple.HIToolbox 0x92d7aa4b HIView::Render(unsigned
    long, CGContext*) + 45
    9 com.apple.HIToolbox 0x92d83617
    FlushWindowObject(WindowData*, void**, unsigned char) + 749
    10 com.apple.HIToolbox 0x92d86a74 _FlushWindow + 78
    11 com.apple.HIToolbox 0x92d86a20 HIWindowFlush + 34
    12 com.apple.HIToolbox 0x92d799b1 MBarDraw() + 41
    13 com.apple.QuickTime 0x90feb686 EndFullScreen_priv + 382
    14 com.apple.QuickTime 0x90feb4fc EndFullScreen + 29
    15 drawterm 0x00046088 MainWindowEventHandler +
    1960 (screen.c:300)
    16 com.apple.HIToolbox 0x92d59863
    DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*,
    HandlerCallRec*) + 1181
    17 com.apple.HIToolbox 0x92d58c9d
    SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*,
    HandlerCallRec*) + 405
    18 com.apple.HIToolbox 0x92d58b02
    SendEventToEventTargetWithOptions + 58
    19 com.apple.HIToolbox 0x92d87d56
    ToolboxEventDispatcherHandler(OpaqueEventHandlerCa llRef*,
    OpaqueEventRef*, void*) + 1694
    20 com.apple.HIToolbox 0x92d59c1c
    DispatchEventToHandlers(EventTargetRec*, OpaqueEventRef*,
    HandlerCallRec*) + 2134
    21 com.apple.HIToolbox 0x92d58c9d
    SendEventToEventTargetInternal(OpaqueEventRef*, OpaqueEventTargetRef*,
    HandlerCallRec*) + 405
    22 com.apple.HIToolbox 0x92d7508e SendEventToEventTarget +
    52
    23 com.apple.HIToolbox 0x92de2444 ToolboxEventDispatcher +
    86
    24 com.apple.HIToolbox 0x92ddec9e RunApplicationEventLoop
    + 222
    25 drawterm 0x00044e25 winproc + 725 (screen.c:
    208)
    26 drawterm 0x0002929a tramp + 58 (posix.c:132)
    27 libSystem.B.dylib 0x9232d075 _pthread_start + 321
    28 libSystem.B.dylib 0x9232cf32 thread_start + 34

    Thread 2:
    0 libSystem.B.dylib 0x92303ace __semwait_signal + 10
    1 libSystem.B.dylib 0x9232dced pthread_cond_wait
    $UNIX2003 + 73
    2 drawterm 0x0002933f procsleep + 111 (posix.c:
    147)
    3 drawterm 0x00023290 ksleep + 288 (sleep.c:51)
    4 drawterm 0x0000c955 consread + 949
    (devcons.c:719)
    5 drawterm 0x000242df kread + 287 (sysfile.c:
    408)
    6 drawterm 0x000243ab _syspread + 43
    (sysfile.c:436)
    7 drawterm 0x00025820 syspread + 80 (sysfile.c:
    1046)
    8 drawterm 0x0002bb08 slaveread + 200
    (exportsrv.c:607)
    9 drawterm 0x0002bf08 blockingslave + 360
    (exportsrv.c:496)
    10 drawterm 0x0002929a tramp + 58 (posix.c:132)
    11 libSystem.B.dylib 0x9232d075 _pthread_start + 321
    12 libSystem.B.dylib 0x9232cf32 thread_start + 34

    Thread 3:
    0 libSystem.B.dylib 0x92303ace __semwait_signal + 10
    1 libSystem.B.dylib 0x9232dced pthread_cond_wait
    $UNIX2003 + 73
    2 drawterm 0x0002933f procsleep + 111 (posix.c:
    147)
    3 drawterm 0x00025e24 _sysrendezvous + 212
    (sysfile.c:1228)
    4 drawterm 0x00025e82 sysrendezvous + 66
    (sysfile.c:1241)
    5 drawterm 0x0002beb4 blockingslave + 276
    (exportsrv.c:487)
    6 drawterm 0x0002929a tramp + 58 (posix.c:132)
    7 libSystem.B.dylib 0x9232d075 _pthread_start + 321
    8 libSystem.B.dylib 0x9232cf32 thread_start + 34

    Thread 4:
    0 libSystem.B.dylib 0x92303ace __semwait_signal + 10
    1 libSystem.B.dylib 0x9232dced pthread_cond_wait
    $UNIX2003 + 73
    2 drawterm 0x0002933f procsleep + 111 (posix.c:
    147)
    3 drawterm 0x00025e24 _sysrendezvous + 212
    (sysfile.c:1228)
    4 drawterm 0x00025e82 sysrendezvous + 66
    (sysfile.c:1241)
    5 drawterm 0x0002beb4 blockingslave + 276
    (exportsrv.c:487)
    6 drawterm 0x0002929a tramp + 58 (posix.c:132)
    7 libSystem.B.dylib 0x9232d075 _pthread_start + 321
    8 libSystem.B.dylib 0x9232cf32 thread_start + 34

    Thread 5 Crashed:
    0 libRIP.A.dylib 0x92553603 ripc_ReleaseImage + 68
    1 libRIP.A.dylib 0x92543334 ripc_DrawImage + 4997
    2 com.apple.CoreGraphics 0x9658043d CGContextDrawImage + 397
    3 drawterm 0x000455ae screenload + 254
    (screen.c:708)
    4 drawterm 0x000456c5 flushmemscreen + 213
    (screen.c:552)
    5 drawterm 0x0000e251 drawflush + 65
    (devdraw.c:433)
    6 drawterm 0x00010a6b drawmesg + 2155
    (devdraw.c:2005)
    7 drawterm 0x0001305c drawwrite + 364
    (devdraw.c:1266)
    8 drawterm 0x0002448b kwrite + 187 (sysfile.c:
    473)
    9 drawterm 0x000245db _syspwrite + 43
    (sysfile.c:499)
    10 drawterm 0x00025890 syspwrite + 80
    (sysfile.c:1059)
    11 drawterm 0x0002bcbc slavewrite + 156
    (exportsrv.c:643)
    12 drawterm 0x0002bf15 blockingslave + 373
    (exportsrv.c:500)
    13 drawterm 0x0002929a tramp + 58 (posix.c:132)
    14 libSystem.B.dylib 0x9232d075 _pthread_start + 321
    15 libSystem.B.dylib 0x9232cf32 thread_start + 34

    Thread 6:
    0 libSystem.B.dylib 0x92303ace __semwait_signal + 10
    1 libSystem.B.dylib 0x9232dced pthread_cond_wait
    $UNIX2003 + 73
    2 drawterm 0x0002933f procsleep + 111 (posix.c:
    147)
    3 drawterm 0x00023290 ksleep + 288 (sleep.c:51)
    4 drawterm 0x00027111 qwait + 113 (qio.c:861)
    5 drawterm 0x00027644 qread + 68 (qio.c:1077)
    6 drawterm 0x0000c9cb consread + 1067
    (devcons.c:681)
    7 drawterm 0x000242df kread + 287 (sysfile.c:
    408)
    8 drawterm 0x000243ab _syspread + 43
    (sysfile.c:436)
    9 drawterm 0x00025820 syspread + 80 (sysfile.c:
    1046)
    10 drawterm 0x0002bb08 slaveread + 200
    (exportsrv.c:607)
    11 drawterm 0x0002bf08 blockingslave + 360
    (exportsrv.c:496)
    12 drawterm 0x0002929a tramp + 58 (posix.c:132)
    13 libSystem.B.dylib 0x9232d075 _pthread_start + 321
    14 libSystem.B.dylib 0x9232cf32 thread_start + 34

    Thread 7:
    0 libSystem.B.dylib 0x92303ace __semwait_signal + 10
    1 libSystem.B.dylib 0x9232dced pthread_cond_wait
    $UNIX2003 + 73
    2 drawterm 0x0002933f procsleep + 111 (posix.c:
    147)
    3 drawterm 0x00023290 ksleep + 288 (sleep.c:51)
    4 drawterm 0x00019525 mouseread + 117
    (devmouse.c:119)
    5 drawterm 0x000242df kread + 287 (sysfile.c:
    408)
    6 drawterm 0x000243ab _syspread + 43
    (sysfile.c:436)
    7 drawterm 0x00025820 syspread + 80 (sysfile.c:
    1046)
    8 drawterm 0x0002bb08 slaveread + 200
    (exportsrv.c:607)
    9 drawterm 0x0002bf08 blockingslave + 360
    (exportsrv.c:496)
    10 drawterm 0x0002929a tramp + 58 (posix.c:132)
    11 libSystem.B.dylib 0x9232d075 _pthread_start + 321
    12 libSystem.B.dylib 0x9232cf32 thread_start + 34

    Thread 5 crashed with X86 Thread State (32-bit):
    eax: 0x001e4b01 ebx: 0x925535d6 ecx: 0xc007948f edx: 0x00358c01
    edi: 0x0000000e esi: 0x00000000 ebp: 0xb02b1278 esp: 0xb02b11e0
    ss: 0x0000001f efl: 0x00010282 eip: 0x92553603 cs: 0x00000017
    ds: 0x0000001f es: 0x0000001f fs: 0x0000001f gs: 0x00000037
    cr2: 0xc00794af

    Binary Images:
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    0x90003000 - 0x90004fef libmathCommon.A.dylib ??? (???) /usr/lib/
    system/libmathCommon.A.dylib
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    SecurityHI
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    0x90deb000 - 0x90df2fe9 libgcc_s.1.dylib ??? (???)
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    0x90e12000 - 0x90e12ff8 com.apple.ApplicationServices 34 (34)
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    ApplicationServices.framework/Versions/A/ApplicationServices
    0x90e13000 - 0x91127fe2 com.apple.QuickTime 7.4.0 (92)
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    0x9115d000 - 0x91178ffb libPng.dylib ??? (???)
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  2. Re: [9fans] drawterm crash log

    a cursory look through the code indicates that there may indeed be a
    bug in the screen management between writing the bits on a bitmap and
    the bitmap to the screen. i have different code for osx which is
    rearranged to avoid creating a separate thread for handling the
    display, but that code is only for p9p and can't be dropped in
    drawterm without a bit of work. with that code we can at least be sure
    that we have no races and, chance is, you won't get a crash with it.

    of course, it's still better to rewrite the whole osx gui code
    directly in Cocoa, which may happen sooner or later

  3. Re: [9fans] drawterm crash log

    On Feb 4, 2008 10:19 PM, andrey mirtchovski wrote:
    > of course, it's still better to rewrite the whole osx gui code
    > directly in Cocoa, which may happen sooner or later


    Or even better to forget drawterm and replace it with Inferno.

    http://www.caerwyn.com/ipn/2007/10/l...rm-plugin.html

    uriel

  4. Re: [9fans] drawterm crash log

    > Or even better to forget drawterm and replace it with Inferno.

    inferno also needs to know how to display natively on OSX.

  5. Re: [9fans] drawterm crash log


    On Feb 4, 2008, at 4:23 PM, andrey mirtchovski wrote:

    >> Or even better to forget drawterm and replace it with Inferno.

    >
    > inferno also needs to know how to display natively on OSX.


    and until the JIT is working in Inferno on OSX, drawterm has
    significantly better throughput... text redisplay in drawterm's
    rio windows, full screen mode is great in drawterm, etc...

    Don't get me wrong, Inferno is quite nice--I'm considering
    using it for another project though getting a stable port on
    a modified Solaris 10 x86, AIX, and broken RHEL would be a pain
    compared w/ other options.


  6. Re: [9fans] drawterm crash log

    >> Or even better to forget drawterm and replace it with Inferno.
    >
    > inferno also needs to know how to display natively on OSX.


    there often are similar problems: exceeding a big stack with X11 locale data for instance.


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