#2418: fragmentation bug: system crashes when sending packet larger than
fragment
threshold
----------------------------------+-----------------------------------------
Reporter: votinhd...@yahoo.com | Type: defect
Status: new | Priority: major
Component: madwifi: driver | Version: trunk
Keywords: fragmentation | Patch_attached: 1
Pending: 0 |
----------------------------------+-----------------------------------------
My system info:
{{{
t...@wlan-proj-5:~$ uname -r
2.6.32-22-generic
t...@wlan-proj-5:~$ svn info madwifi_source_01/madwifi/
Path: madwifi_source_01/madwifi
URL: //madwifi-project.org/svn/madwifi/trunk
Repository Root://madwifi-project.org/svn
Repository UUID: 0192ed92-7a03-0410-a25b-9323aeb14dbd
Revision: 4133
Node Kind: directory
Schedule: normal
Last Changed Author: proski
Last Changed Rev: 4132
Last Changed Date: 2010-06-20 04:27:20 +1000 (Sun, 20 Jun 2010)
t...@wlan-proj-5:~$ lspci
******omit output*********
01:00.0 Network controller: Atheros Communications Inc. AR928X Wireless
Network Adapter (PCI-Express) (rev 01)
03:00.0 Ethernet controller: Atheros Communications Atheros AR8132 / L1c
Gigabit Ethernet Adapter (rev c0)
t...@wlan-proj-5:~$ modinfo ath_pci | grep version
version: svn r4132 (trunk)
srcversion: 613E75CA7DE8AB1A1DE9EC3
vermagic: 2.6.32-22-generic SMP mod_unload modversions 586
}}}
This is the bug:
{{{
r...@wlan-proj-5:~# iwconfig ath0 frag 512
r...@wlan-proj-5:~# iwconfig
lo no wireless extensions.
wifi0 no wireless extensions.
ath0 IEEE 802.11g ESSID:"AP605"
Mode:Managed Frequency:2.412 GHz Access Point:
00:0F:66:90:AD:0D
Bit Rate:11 Mb/s Tx-Power:13 dBm Sensitivity=1/1
Retry:off RTS thr:off Fragment thr=512 B
Encryption key:1111-1111-11 Security mode:restricted
Power Management:off
Link Quality=33/70 Signal level=-60 dBm Noise level=-93 dBm
Rx invalid nwid:69797 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth5 no wireless extensions.
r...@wlan-proj-5:~# ping 192.168.0.1 -c 1 -s 1000
*****system crashes here*********
}}}
--
Ticket URL: <http://madwifi-project.org/ticket/2418>
madwifi-project.org <http://madwifi-project.org/>
Multiband Atheros Driver for Wireless Fidelity
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