#1941: Memory Leak on svn r3426
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Reporter: [EMAIL PROTECTED] | Owner:
Type: defect | Status: new
Priority: critical | Milestone:
Component: madwifi: 802.11 stack | Version: trunk
Resolution: | Keywords:
Patch_attached: 0 |
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Comment (by [EMAIL PROTECTED]):
It is possible this is not memory leak, also it is possible it has
nothing to do with madwifi at all. On low memory systems - and sometimes
even on not as much restrained systems - high order allocation fail and
this happens. See ticket #1272 for details, what you observed happens for
me on places on our community network, where madwifi-based - dunno if
machines based on other wireless technology will act the same way, only
using madwifi/ath5k and marginaly prism here - wireless routers has to
route a big lot of p2p traffic, with many open, halfopen and etc. tcp
connections, and with lack of memory. What usually help to mitigate the
issue is to set min_free_kbytes vm parameter to at least 8192, with that
value or higher issue almost never occur even under extremely high load -
load in terms of tracked connections and such. I think it is not leak, nor
a bug, but that the memory allocation mechanism and especially recovery
could be more robust - circular buffers ?, but don't have skills to make
it happen :).
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Ticket URL: <http://madwifi.org/ticket/1941#comment:3>
madwifi.org <http://madwifi.org/>
Multiband Atheros Driver for Wireless Fidelity
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