[haiku-bugs] Re: [Haiku] #9806: Opening FAT32 partition yields PANIC: double mutex lock

  • From: "anevilyak" <trac@xxxxxxxxxxxx>
  • Date: Fri, 31 May 2013 17:46:21 -0000

#9806: Opening FAT32 partition yields PANIC: double mutex lock
--------------------------------+----------------------------
   Reporter:  ttcoder           |      Owner:  nobody
       Type:  bug               |     Status:  new
   Priority:  normal            |  Milestone:  R1
  Component:  File Systems/FAT  |    Version:  R1/Development
 Resolution:                    |   Keywords:
 Blocked By:                    |   Blocking:
Has a Patch:  0                 |   Platform:  All
--------------------------------+----------------------------
Changes (by anevilyak):

 * component:  - General => File Systems/FAT


Comment:

 More details than that are realistically going to be needed.
 vm_page_fault() is invoked whenever a page fault occurs, so that could
 simply be a result of e.g. the fat32 module dereferencing a NULL pointer.
 At the very least the full stack trace / message are needed though, and
 ideally also the output of the KDL "mutex" command for the particular
 mutex indicated in the panic message.

 A further question would be if this only occurs with that fat32 volume in
 particular, or with any random one you try.

--
Ticket URL: <http://dev.haiku-os.org/ticket/9806#comment:2>
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