[haiku-bugs] [Haiku] #10637: memory issue with mounted image files
- From: "jessicah" <trac@xxxxxxxxxxxx>
- Date: Tue, 04 Mar 2014 10:20:21 -0000
#10637: memory issue with mounted image files
---------------------------+------------------------------
Reporter: jessicah | Owner: axeld
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: System/Kernel | Version: R1/Development
Keywords: | Blocked By:
Blocking: | Has a Patch: 0
Platform: All |
---------------------------+------------------------------
I have an 8GB bfs formatted image file mounted, and my system partition
has about 3GB free. My system also has 8GB of RAM. I've also disabled
Virtual Memory, but the problem also occurred with Virtual Memory enabled.
It seems like writes to the mounted image file are causing some weird
issues in the file caching layer. And even though looking at process
controller, the memory usage never seems to appear to exceed 500MB, large
writes to the mounted image causes the system to think there is no memory
left.
Also, the kernel's "low resource handler" thread hammers a single core at
near 100% utilisation.
Gets into a state where even reads from the mounted image file appear to
be corrupted.
E.g.
{{{
/Cabinet/webkit> git checkout HEAD --force
error: failed to read object 3e482c427f57a47f262816900de4ca655b322792 at
offset 98195304 from .git/objects/pack/pack-
1d8534f61de156ee015c1949b78755305f4e2ebb.pack
fatal: packed object 3e482c427f57a47f262816900de4ca655b322792 (stored in
.git/objects/pack/pack-1d8534f61de156ee015c1949b78755305f4e2ebb.pack) is
corrupt
/Cabinet/webkit> git pull
bash: /bin/git: Out of memory
}}}
After a reboot, git no longer complains about corrupted files the first
time through (of course, a few file system operations later, what once
worked ends up being reported as corrupted again).
--
Ticket URL: <https://dev.haiku-os.org/ticket/10637>
Haiku <https://dev.haiku-os.org>
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