[haiku-bugs] [Haiku] #8980: Haiku hrevr1alpha4-44595 KDL: _mutex_lock(): double lock of 0x8019e000 by thread 15

  • From: "simonsouth" <trac@xxxxxxxxxxxx>
  • Date: Thu, 13 Sep 2012 17:59:35 -0000

#8980: Haiku hrevr1alpha4-44595 KDL: _mutex_lock(): double lock of 0x8019e000 by
thread 15
------------------------+------------------------------
 Reporter:  simonsouth  |        Owner:  nobody
     Type:  bug         |       Status:  new
 Priority:  normal      |    Milestone:  R1
Component:  - General   |      Version:  R1/Development
 Keywords:              |   Blocked By:
 Blocking:              |  Has a Patch:  0
 Platform:  All         |
------------------------+------------------------------
 While using hrev1alpha4-44596 on my
 
[http://support.acer.com/acerpanam/netbook/0000/Acer/AspireOneAOD250/AspireOneAOD250sp2.shtml
 Acer AOD250 netbook] the KDL shown in the attached screenshot happened
 several times.

 Nothing specific seemed to trigger it, although I happened to be typing in
 Terminal each time it occurred. Continuing from the debugger appeared to
 work but (for example) trying to close applications made them seem to
 hang, and in each case I had to reboot to keep working.

 The first part of the text in the screenshot reads:
 {{{
 PANIC: _mutex_lock(): double lock of 0x8019e000 by thread 15
 Welcome to Kernel Debugging Land...
 Thread 15 "block notifier/writer" running on CPU 0
 stack trace for thread 15 "block notifier/writer"
     kernel stack: 0x81199000 to 0x8119d000
 }}}

-- 
Ticket URL: <http://dev.haiku-os.org/ticket/8980>
Haiku <http://dev.haiku-os.org>
Haiku - the operating system.

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