Intermittant crash in bitcoin-qt.exe 0.5.0 rc5 when using RPC commands #640

issue jordanmack opened this issue on November 18, 2011
  1. jordanmack commented at 5:05 AM on November 18, 2011: none

    Intermittent crashes of bitcoin-qt.exe (server=1) when using RPC commands. I can reproduce it fairly consistently, but I have been unable to find a set of steps to reproduce it 100% of the time. Included at the bottom of this issue is the crash.bat I used to recreate to problem fairly consistently.

    I successfully reproduced the crash on bitcoin-qt.exe 0.5.0 rc5.

    I was unable to reproduce the crash on bitcoin.exe 0.4.1, bitcoind.exe 0.4.1, bitcoind.exe 0.5.0 rc5.

    Reproduced using bitcoin-qt.exe 0.5.0 rc5 on:

    • Windows 7 x86
    • Windows 7 x64 SP1

    Faulting application name: bitcoin-qt.exe, version: 0.0.0.0, time stamp: 0x4d44aa00 Faulting module name: bitcoin-qt.exe, version: 0.0.0.0, time stamp: 0x4d44aa00 Exception code: 0x40000015 Fault offset: 0x00e4b7fa Faulting process id: 0xf80 Faulting application start time: 0x01cca56065158dac Faulting application path: C:\Users\jmack\Desktop\bitcoin-0.5.0rc5-win32\bitcoin-qt.exe Faulting module path: C:\Users\jmack\Desktop\bitcoin-0.5.0rc5-win32\bitcoin-qt.exe Report Id: 050b54aa-1155-11e1-86c0-f46d0496aff0

    ---------- Begin crash.bat ---------- bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe walletlock bitcoind.exe w pause ---------- End crash.bat ----------

  2. laanwj commented at 5:09 AM on November 18, 2011: member

    Could be related to this issue : #639

  3. jordanmack commented at 5:11 AM on November 18, 2011: none

    It very well could be, although #639 specifically notes the Bitcoin daemon. I was unable to reproduce the crash on the daemon.

    On 11/17/2011 9:09 PM, Wladimir J. van der Laan wrote:

    Could be related to this issue : #639

    Reply to this email directly or view it on GitHub: #640 (comment)

  4. gavinandresen commented at 4:25 PM on November 19, 2011: contributor

    Do we have anybody able to debug on Windows 7 ? jmack, would you be able to help debug? (are you a Windows developer?)

  5. jordanmack commented at 6:49 PM on November 19, 2011: none

    I haven't developed for Windows in a few years, so my environment is not set up. I'm traveling for the next week and a half, so it will be a while before I can work on that.

    If someone can recommend some simple debug tools that can generate some useful information, I can try to get that information remotely.

  6. jordanmack commented at 4:53 AM on February 16, 2012: none

    I'm able to replicate this on 0.5.2 as well.

  7. jordanmack commented at 11:02 PM on February 21, 2012: none

    Also replicated on the 0.6.0 head version using a debug Windows binary provided by @TheBlueMatt.

    Gdb backtrace most often indicates line 1662 in bitcoinrpc.cpp:

    throw JSONRPCError(-15, "Error: running with an unencrypted wallet, but walletlock was called.");

  8. jordanmack commented at 5:41 AM on March 14, 2012: none

    Replicated with bitcoin-qt.exe v0.6.0rc3 on Windows 7 x86.

  9. TheBlueMatt commented at 2:09 AM on March 15, 2012: member

    This appears to be easily reproduceable (for those who can reproduce it to begin with) on anything >= 0.5.0, suggesting it was added with the move from wx to qt.

  10. laanwj commented at 12:24 AM on March 17, 2012: member

    This should be fixed in 0.6.0rc4 and 0.5.3.1

  11. laanwj closed this on Mar 17, 2012
  12. jordanmack commented at 4:13 PM on March 19, 2012: none

    Confirmed as fixed in 0.6.0rc4.

  13. jordanmack commented at 8:43 PM on March 19, 2012: none

    Confirmed as fixed in 0.5.3.1.

  14. laanwj commented at 8:55 PM on March 19, 2012: member

    @jmack thanks for testing & confirmation

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Contributors
jordanmacklaanwjgavinandresenTheBlueMatt
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#938 Fix Win32 RPC Crashes.
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