2.6.22-rc6: local_bh_enable warning

Jeff Garzik jgarzik at pobox.com
Mon Jul 2 16:22:04 CEST 2007

Patrick McHardy wrote:
> Russell King wrote:
>> Having upgraded from 2.6.16 to 2.6.22-rc6, I'm now seeing the following.
>> Looks like netfilter is calling local_bh_enable() with IRQs disabled,
>> which would appear to be illegal.  Thankfully, this is a warn-once
>> warning.
>> WARNING: at /home/rmk/git/linux-2.6-rmk/kernel/softirq.c:138 local_bh_enable()
>> [...]
>> [<c01447fc>] (nf_conntrack_destroy+0x0/0x2c) from [<c012c05c>] (__kfree_skb+0xd0/0x100)
>> [<c012bf8c>] (__kfree_skb+0x0/0x100) from [<c012c0d8>] (kfree_skb+0x4c/0x50)
>>  r5:c12a3800 r4:00000300
>> [<c012c08c>] (kfree_skb+0x0/0x50) from [<bf03cbb0>] (el3_start_xmit+0xb8/0xd0 [3c589_cs])
>> [<bf03caf8>] (el3_start_xmit+0x0/0xd0 [3c589_cs]) from [<c01324dc>] (dev_hard_start_xmit+0x1a8/0x244)
>>  r7:c12a3800 r6:c1a9aa00 r5:c1a9aa00 r4:c12a3800
>> [<c0132334>] (dev_hard_start_xmit+0x0/0x244) from [<c013fcc0>] (__qdisc_run+0xb0/0x198)
> Thats a bug in the 3c589_cs driver. Patch attached.
> Signed-off-by: Patrick McHardy <kaber at trash.net>

You would post this JUST after I finished my patch applying run, 
wouldn't you?  :)

Will apply in a few minutes, thanks :)


More information about the netfilter-devel mailing list