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Date: Tue, 15 May 2007 17:28:42 +0200 From: David LAMPARTER <lists@...c24.net> To: linux-wireless@...r.kernel.org Cc: netdev@...r.kernel.org Subject: Panic in ieee_80211_ibss_add_sta when trying to join ad-hoc network (rt2500pci) Hello, while trying to get my wireless to work (a Ralink RT2560, as sold in a Fujitsu-Siemens Amilo A 1630), I've been hitting the following Panic twice: BUG: unable to handle kernel NULL pointer derference at virtual address 00000218 [...] EIP is at ieee80211_ibss_add_sta+0xae/0x130 [...] EIP: [<c05773fe>] ieee_80211_ibss_add_sta+0xae/0x130 SS:ESP 0068:f641dc38 Kernel panic - not syncing: Fatal exception in interrupt The bug seems to be triggered as soon as the stack tries to join my router's ad-hoc; it happen either directly when doing "ip l s wlan0 up" as well as when doing "iwconfig wlan0 essid equinox" (when it did not immediately find the network). Kernel version is 2.6.21-ge42d23f4 (git checkout from git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-dev, about a few hours old.) Full information set available at http://celeste.diac24.net/rtpanic/ (includes pictures of the panics, in case I have a typo somewhere) Requests for more information / patches welcome, but expect delayed response. More information attached. Greetings, David Lamparter View attachment "bugtext" of type "text/plain" (2030 bytes) View attachment "proc_version" of type "text/plain" (107 bytes) View attachment "lspci" of type "text/plain" (12945 bytes) Download attachment "proc_config.gz" of type "application/x-gunzip" (12947 bytes) View attachment "relevant_config" of type "text/plain" (443 bytes)
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