Attachment 310958 Details for Bug 453291 – Script output when things do not work (on a Fedora 9 system)

Script output when things do not work (on a Fedora 9 system)

filtest.out.f9 (text/plain), 3.21 KB, created by Karl Auerbach on 2008-07-03 20:08:44 UTC

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Creator: Karl Auerbach

Created: 2008-07-03 20:08:44 UTC

Size: 3.21 KB

patch

obsolete

>Using interface eth1
>
>Loading modules.
>modprobe sch_netem
>modprobe cls_u32
>
>When there there is no pre-existing item you may get the following:
>RTNETLINK answers: No such file or directory
>But 'We have an error talking to the kernel' is bad.
>
>
>Clear out everything
>tc qdisc del dev eth1 root
>tc qdisc del dev eth1 ingress
>RTNETLINK answers: No such file or directory
>
>Create some nearly vacuous netem settings..
>tc qdisc add dev eth1 root handle 1: prio bands 5 priomap 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4
>tc qdisc add dev eth1 parent 1:1 handle 10: netem
>tc qdisc add dev eth1 parent 1:2 handle 20: netem
>tc qdisc add dev eth1 parent 1:3 handle 30: netem
>tc qdisc add dev eth1 parent 1:4 handle 40: netem
>tc qdisc add dev eth1 parent 1:5 handle 50: netem
>
>Clean out any previous filters
>RTNETLINK answers: Invalid argument
>We have an error talking to the kernel
>********************
>*  ERROR OCCURRED  *
>********************
>
>Create classifier root:
>tc filter add dev eth1 parent 1:0 prio 3 protocol ip u32
>
>Generate one item hash table:
>tc filter add dev eth1 parent 1:0 prio 3 handle 2: u32 divisor 1
>RTNETLINK answers: Invalid argument
>We have an error talking to the kernel
>********************
>*  ERROR OCCURRED  *
>********************
>
>Generate a filter for IP
>tc filter add dev eth1 parent 1:0 handle ::1 prio 3 u32 match u8 0x40 0xF0 at 0 offset mask 0x0F00 at 0 shift 6 plus 0 ht 800:: link 2:
>RTNETLINK answers: Invalid argument
>We have an error talking to the kernel
>********************
>*  ERROR OCCURRED  *
>********************
>
>Generate a filter for ICMP
>tc filter add dev eth1 protocol ip parent 1:0 prio 3 u32 match u8 0x01 0xff at 9 flowid 1:1 ht 2:0:
>RTNETLINK answers: Invalid argument
>We have an error talking to the kernel
>********************
>*  ERROR OCCURRED  *
>********************
>
>The final result should be:
>filter parent 1: protocol ip pref 3 u32 
>filter parent 1: protocol ip pref 3 u32 fh 2: ht divisor 1 
>filter parent 1: protocol ip pref 3 u32 fh 2::800 order 2048 key ht 2 bkt 0 flowid 1:1 
>  match 00010000/00ff0000 at 8
>filter parent 1: protocol ip pref 3 u32 fh 800: ht divisor 1 
>filter parent 1: protocol ip pref 3 u32 fh 800::1 order 1 key ht 800 bkt 0 link 2: 
>  match 40000000/f0000000 at 0
>    offset 0f00>>6 at 0 
>
>The actual result we got was:
>filter parent 1: protocol ip pref 3 u32 
>filter parent 1: protocol ip pref 3 u32 fh 800: ht divisor 1 
>/tmp/should_be_output.6Y2BvIbs5P /tmp/real_output.11oMKv83uM differ: byte 85, line 2
>
>*************************************
>* Output was not what was expected! *
>*                                   *
>* Differences are shown below.      *
>*************************************
>
>*** /tmp/should_be_output.6Y2BvIbs5P	2008-07-03 12:46:08.000000000 -0700
>--- /tmp/real_output.11oMKv83uM	2008-07-03 12:46:08.000000000 -0700
>***************
>*** 1,8 ****
>  filter parent 1: protocol ip pref 3 u32 
>- filter parent 1: protocol ip pref 3 u32 fh 2: ht divisor 1 
>- filter parent 1: protocol ip pref 3 u32 fh 2::800 order 2048 key ht 2 bkt 0 flowid 1:1 
>-   match 00010000/00ff0000 at 8
>  filter parent 1: protocol ip pref 3 u32 fh 800: ht divisor 1 
>- filter parent 1: protocol ip pref 3 u32 fh 800::1 order 1 key ht 800 bkt 0 link 2: 
>-   match 40000000/f0000000 at 0
>-     offset 0f00>>6 at 0 
>--- 1,2 ----

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Attachments on bug 453291: 310524 | 310957 | 310958