[DragonFlyBSD - Bug #2458] ath: ran out of descriptors

[Sepherosa Ziehau via Redmine]

Issue #2458 has been updated by Sepherosa Ziehau.


On Mon, Dec 3, 2012 at 1:06 AM, Johannes Hofmann via Redmine
<bugtracker-admin at leaf.dragonflybsd.org> wrote:
>
> Issue #2458 has been updated by Johannes Hofmann.
>
>
> I created a wlan_serialize branch in my leaf repo (~hofmann).
> It's tested with ath an iwn so far.

Cool.  Do you have time to bring it one step further?  I would like to
put ASSERT_SERIALIZED(ifp->if_serializer) in both vap's and physical
interface's public methods (if_init, if_start, if_ioctl, etc)

Best Regards,
sephe

> ----------------------------------------
> Bug #2458: ath: ran out of descriptors
> http://bugs.dragonflybsd.org/issues/2458
>
> Author: Johannes Hofmann
> Status: New
> Priority: Normal
> Assignee:
> Category:
> Target version:
>
>
> After running for a while in a WPA secured WLAN with an ath(4) card, I get:
>    ath: ran out of descriptors
> and the network stops working.
> Sometimes destroying wlan0 and kldunload if_ath; kldload if_ath
> restores network, but in some cases I get
>
>
>
> Nov 18 12:45:06 plop kernel: Trace beginning at frame 0xd6264ca8
> Nov 18 12:45:06 plop kernel: m_free(ffffffff,d47f1c00,0,d936dc00,d5a94400) at m_free+0xc6 0x
> c01f26ed
> Nov 18 12:45:06 plop kernel: m_free(d47f7800,d6264cfc,c09c8846,d47f7800,c47576f0) at m_free+
> 0xc6 0xc01f26ed
> Nov 18 12:45:06 plop kernel: m_freem(d47f7800,c47576f0,d6264cfc,c09e8e58,d5cf9f80) at m_free
> m+0x15 0xc01f29c6
> Nov 18 12:45:06 plop kernel: ieee80211_flush_ifq(d5a94400,d4c46500,ffffffff,d5e35478,c47576f
> 0) at ieee80211_flush_ifq+0x70 0xc09c8846
> Nov 18 12:45:06 plop kernel: ieee80211_newstate_task(d4c46500,1,c47576f4,1,c475770c) at ieee
> 80211_newstate_task+0x231 0xc09e74e3
> Nov 18 12:45:06 plop kernel: taskqueue_run(c47576f0,c475770c,0,c03d27b3,0) at taskqueue_run+
> 0x93 0xc01dd304
> Nov 18 12:45:06 plop kernel: taskqueue_thread_loop(d5e3544c,0,0,0,0) at taskqueue_thread_loo
> p+0x4b 0xc01dd5ed
> Nov 18 12:45:06 plop kernel: lwkt_exit() at lwkt_exit 0xc01bbab3
>
>
> and the system freezes on kldunload if_ath
>
>
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--
Tomorrow Will Never Die
----------------------------------------
Bug #2458: ath: ran out of descriptors
http://bugs.dragonflybsd.org/issues/2458

Author: Johannes Hofmann
Status: New
Priority: Normal
Assignee: 
Category: 
Target version: 


After running for a while in a WPA secured WLAN with an ath(4) card, I get:
   ath: ran out of descriptors
and the network stops working.
Sometimes destroying wlan0 and kldunload if_ath; kldload if_ath
restores network, but in some cases I get 



Nov 18 12:45:06 plop kernel: Trace beginning at frame 0xd6264ca8
Nov 18 12:45:06 plop kernel: m_free(ffffffff,d47f1c00,0,d936dc00,d5a94400) at m_free+0xc6 0x
c01f26ed 
Nov 18 12:45:06 plop kernel: m_free(d47f7800,d6264cfc,c09c8846,d47f7800,c47576f0) at m_free+
0xc6 0xc01f26ed 
Nov 18 12:45:06 plop kernel: m_freem(d47f7800,c47576f0,d6264cfc,c09e8e58,d5cf9f80) at m_free
m+0x15 0xc01f29c6 
Nov 18 12:45:06 plop kernel: ieee80211_flush_ifq(d5a94400,d4c46500,ffffffff,d5e35478,c47576f
0) at ieee80211_flush_ifq+0x70 0xc09c8846 
Nov 18 12:45:06 plop kernel: ieee80211_newstate_task(d4c46500,1,c47576f4,1,c475770c) at ieee
80211_newstate_task+0x231 0xc09e74e3 
Nov 18 12:45:06 plop kernel: taskqueue_run(c47576f0,c475770c,0,c03d27b3,0) at taskqueue_run+
0x93 0xc01dd304 
Nov 18 12:45:06 plop kernel: taskqueue_thread_loop(d5e3544c,0,0,0,0) at taskqueue_thread_loo
p+0x4b 0xc01dd5ed 
Nov 18 12:45:06 plop kernel: lwkt_exit() at lwkt_exit 0xc01bbab3 


and the system freezes on kldunload if_ath


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