[haiku-bugs] Re: [Haiku] #5282: PANIC: vm_page_fault: unhandled page fault in kernel space at 0x24, ip 0x80039a50
- From: "anevilyak" <trac@xxxxxxxxxxxx>
- Date: Sun, 17 Jan 2010 23:32:33 -0000
#5282: PANIC: vm_page_fault: unhandled page fault in kernel space at 0x24, ip
0x80039a50
------------------------------+---------------------------------------------
Reporter: jonas.kirilla | Owner: axeld
Type: bug | Status: new
Priority: critical | Milestone: R1
Component: File Systems/BFS | Version: R1/Development
Keywords: | Blockedby:
Platform: All | Blocking:
------------------------------+---------------------------------------------
Changes (by anevilyak):
* component: System/Kernel => File Systems/BFS
Comment:
The problem appears to be as follows: Inode::ReadAt() calls
file_cache_read() with a NULL file cache pointer (which it is not prepared
to cope with as it triggers the invalid fault while reading
ref->disabled_count), because Inode only creates a cache for files and
attributes, which a symlink doesn't match. However, what I don't
understand is how this doesn't panic on every symlink.
--
Ticket URL: <http://dev.haiku-os.org/ticket/5282#comment:2>
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