Bug 1043 – Driver locks Ad-hoc mode switching

Bug 1043 - Driver locks Ad-hoc mode switching

Summary:

Driver locks Ad-hoc mode switching

Status:	VERIFIED FIXED

Product:	IPW3945
Component:	IBSS
Version:	1.0.3
Platform:	All All

Importance:	P2 normal
Assigned To:	Mohamed Abbas
QA Contact:

URL:
Keywords:

Depends on:
Blocks:
	Show dependency tree / graph

Reported:	2006-05-16 18:53 by Gillette Tyler
Modified:	2006-06-16 16:30 (History)

Attachments
dmesg output (90.99 KB, text/plain) 2006-05-16 18:56, Mi, Jun	Details
the patch to fix deadlock from Mohamed (366 bytes, patch) 2006-05-16 18:58, Mi, Jun	Details \| Diff
Add an attachment (proposed patch, testcase, etc.)

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Description From Mi, Jun 2006-05-16 18:53:51

Descr: if you set mode 1, attempt to create an ad-hoc network, and switch 
between modes 2 and 1 from there, you will lock the driver.

steps to reproduce
1. load the driver
2. iwpriv eth1 set_mode 1
3. iwconfig eth1 essid whatever channel 40 mode ad-hoc
4. iwconfig
5. iwpriv eth1 set_mode 2
6. iwconfig
7. iwpriv eth1 set_mode 1
8. iwconfig
9. if required, repeat steps 4-8 

Expected Results: System remains stable
Actual Results: driver locks
It is 100% reproducable.

------- Comment #1 From Mi, Jun 2006-05-16 18:56:53 -------

Created an attachment (id=804) [details]
dmesg output

------- Comment #2 From Mi, Jun 2006-05-16 18:58:53 -------

Created an attachment (id=805) [details]
the patch to fix deadlock from Mohamed

------- Comment #3 From Mi, Jun 2006-05-16 19:00:38 -------

apply against 1.0.3

------- Comment #4 From James Ketrenos 2006-05-17 14:47:11 -------

Merged into GIT tree for next snapshot.  Setting to fixed (and assigning to
Mohamed)

------- Comment #5 From James Ketrenos 2006-05-17 14:50:19 -------

Setting back to fixed (assigning to Mohamed reopened as New)

------- Comment #6 From zhanyuanhai 2006-05-23 04:27:46 -------

Testing on ipw3945-1.0.5 ,after switch the mode about 10 times ,system remains 
stable.

------- Comment #7 From Gillette Tyler 2006-06-16 16:30:00 -------

Verified in 1.0.8