Badness in local_bh_enable at kernel/softirq.c:121
Call Trace: [<c011d7e5>]  [<c02ac7b2>]  [<c02ac0ad>]  [<c027d78d>] 
[<c025fc15>]  [<c012872d>]  [<c025f830>]  [<c0116500>]  [<c0108fde>] 
[<c0116500>]  [<c0128550>]  [<c0107065>]
Badness in local_bh_enable at kernel/softirq.c:121
Call Trace: [<c011d7e5>]  [<c02a89a6>]  [<c02ac0d0>]  [<c027d78d>] 
[<c025fc15>]  [<c012872d>]  [<c025f830>]  [<c0116500>]  [<c0108fde>] 
[<c0116500>]  [<c0128550>]  [<c0107065>]
Badness in local_bh_enable at kernel/softirq.c:121
Call Trace: [<c011d7e5>]  [<c02ac7b2>]  [<c02ac6d5>]  [<c02a88a9>] 
[<c02a8200>]  [<c02a89ca>]  [<c02ac0d0>]  [<c027d78d>]  [<c025fc15>] 
[<c012872d>]  [<c025f830>]  [<c0116500>]  [<c0108fde>]  [<c0116500>] 
[<c0128550>]  [<c0107065>]
Badness in local_bh_enable at kernel/softirq.c:121
Call Trace: [<c011d7e5>]  [<c02ac7b2>]  [<c02ac702>]  [<c02a88a9>] 
[<c02a8200>]  [<c02a89ca>]  [<c02ac0d0>]  [<c027d78d>]  [<c025fc15>] 
[<c012872d>]  [<c025f830>]  [<c0116500>]  [<c0108fde>]  [<c0116500>] 
[<c0128550>]  [<c0107065>]
Badness in local_bh_enable at kernel/softirq.c:121
Call Trace: [<c011d7e5>]  [<c02a8200>]  [<c02a89ca>]  [<c02ac0d0>] 
[<c027d78d>]  [<c025fc15>]  [<c012872d>]  [<c025f830>]  [<c0116500>] 
[<c0108fde>]  [<c0116500>]  [<c0128550>]  [<c0107065>]
Badness in local_bh_enable at kernel/softirq.c:121
Call Trace: [<c011d7e5>]  [<c02a89ca>]  [<c02ac0d0>]  [<c027d78d>] 
[<c025fc15>]  [<c012872d>]  [<c025f830>]  [<c0116500>]  [<c0108fde>] 
[<c0116500>]  [<c0128550>]  [<c0107065>]
Badness in local_bh_enable at kernel/softirq.c:121
Call Trace: [<c011d7e5>]  [<c02ac0d0>]  [<c027d78d>]  [<c025fc15>] 
[<c012872d>]  [<c025f830>]  [<c0116500>]  [<c0108fde>]  [<c0116500>] 
[<c0128550>]  [<c0107065>]
bttv0: skipped frame. no signal? high irq latency?
Badness in local_bh_enable at kernel/softirq.c:121
Call Trace: [<c011d7e5>]  [<c02ac7b2>]  [<c02ac0ad>]  [<c025fc07>] 
[<c012872d>]  [<c025f830>]  [<c0116500>]  [<c0108fde>]  [<c0116500>] 
[<c0128550>]  [<c0107065>]
bttv0: skipped frame. no signal? high irq latency?
bttv0: skipped frame. no signal? high irq latency?

This happens on an Athlon System, the screen goes blank for 2 seconds,
and the dmesg report this. ppp connection closed and Evolution give an
error resolving an host (probably due to the closed connection).