RE: [PATCH] tcp: tcp_release_cb() should release socket ownership

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 2014-03-07 at 16:45 +0100, Lars Persson wrote:
> So far no deadlock on the socket lock is seen with this patch. I have seen two out-of-memory crashes which leaves the system deadlocked trying to allocate memory.
> 
> Stack traces and kernel log from one of the oom crashes is attached. I was thinking this may be caused by having the dirty_ratio set too high given our product's heavy use of memory. Currently re-testing with dirty_ratio reduced to 5%.
> 
> 
> [11515.530000] Recording maint invoked oom-killer: gfp_mask=0x201da, order=0, oom_score_adj=0
> [11515.540000] CPU: 0 PID: 1304 Comm: Recording maint Tainted: G           O 3.10.32 #10
> [11515.550000] Stack : 80666e52 00000049 80660000 00000000 805563dc 8b1876f8 8054af80 805d2227
> 	  00000518 00000000 80656d40 8b1876f8 000007ce 00000002 00000000 8047d858
> 	  00000000 8003bb64 00000006 00000000 8054d024
>  [11515.580000]  8b189a84 8b189a84 8054af80
> 	  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> 	  00000000 00000000 00000000 00000000 00000000 00000000 00000000 8b189a18
> 	  ...


Well, this is 3.10.32, with local changes to dirty_ratio....

so I will simply ignore mm issues for the moment.

Thanks a lot Lars

Tested-by: Lars Persson <lars.persson@xxxxxxxx>



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel Discussion]     [TCP Instrumentation]     [Ethernet Bridging]     [Linux Wireless Networking]     [Linux WPAN Networking]     [Linux Host AP]     [Linux WPAN Networking]     [Linux Bluetooth Networking]     [Linux ATH6KL Networking]     [Linux Networking Users]     [Linux Coverity]     [VLAN]     [Git]     [IETF Annouce]     [Linux Assembly]     [Security]     [Bugtraq]     [Yosemite Information]     [MIPS Linux]     [ARM Linux Kernel]     [ARM Linux]     [Linux Virtualization]     [Linux IDE]     [Linux RAID]     [Linux SCSI]