Bug 474085
| Summary: | By 30% probability, user can not find any nearby wireless AP in NetworkManager after OS boots up. | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 5 | Reporter: | DongpoLiu <dongpo.liu> |
| Component: | NetworkManager | Assignee: | John W. Linville <linville> |
| Status: | CLOSED WORKSFORME | QA Contact: | Martin Jenner <mjenner> |
| Severity: | urgent | Docs Contact: | |
| Priority: | low | ||
| Version: | 5.3 | CC: | dcbw, dongpo.liu, jane.lv, keve.a.gabbert |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2009-01-14 19:05:07 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
I think this issue can be closed at RHEL 5.3 RC 2 release. ok, thanks. The scanning fixes in the kernel should have made this a lot better. |
Description of problem: By 30% probability, user can not find any nearby wireless AP in NetworkManager after OS boots up. Version-Release number of selected component (if applicable): OS:RHEL 5.3 SP4 Kernel: Linux osve-mv 2.6.18-124.el5 #1 SMP Mon Nov 17 16:51:32 EST 2008 x86_64 x86_64 x86_64 GNU/Linux How reproducible: at least 30% probability Steps to Reproduce: 1.after OS boots up, we can get wlan0 by issuing "ifconfig", but we can not see any NEARBY APs in NetworkManager, and user even fails to find a known AP by inputting its essid in NetworkManager. 2. user can see iwlagn modules by issuing "lsmod | grep " [root@osve-mv ~]# lsmod | grep iwl iwlagn 133977 0 iwlcore 127045 1 iwlagn mac80211 182857 2 iwlagn,iwlcore cfg80211 63825 3 iwlagn,iwlcore,mac80211 3.user can only see 1 AP by issuing "iwlist wlan0 scanning": [root@osve-mv ~]# iwlist wlan0 scanning Warning: Driver for device wlan0 recommend version 21 of Wireless Extension, but has been compiled with version 20, therefore some driver features may not be available... wlan0 Scan completed : Cell 01 - Address: 00:13:C4:78:F4:50 ESSID:"" Mode:Master Channel:11 Frequency:2.462 GHz (Channel 11) Quality=84/100 Signal level=-49 dBm Noise level=-127 dBm Encryption key:off Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s 11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s 48 Mb/s; 54 Mb/s Extra:tsf=000000def46f3192 4. user has installed firmware in /lib/firmware folder. Actual results: User can not see any Nearby APs in NetworkManager. Expected results: User can see Nearby APs in NetworkManager after OS boots up.