Hi Bing, > > > > > > > I'm getting this error whenever I use "hcitool cc" or "l2ping > > > > xx:xx:xx:xx:xx:xx" > > > > > > command. > > > > > > > > > > > > > > Kernel: version 2.6.30-rc3 from bluetooth-testing tree > > > > > > > HCI Tool: version 3.20 > > > > > > > Laptop: Lenovo X61s > > > > > > > > > > > > can you rebase the bluetooth-testing.git tree from a few hours ago and > > > > > > test again. > > > > > > > > > > "git log" shows the last commit was ad4751fcada51292bb2967748667b582281647d0. > > > > > Bluetooth: Fix errors and warnings in L2CAP reported by checkpatch.pl > > > > > > > > > > Is it the latest one? > > > > > > > > yes, that one is the latest. What happens if you revert: > > > > > > > > commit d97ebf3798fb5745953230e049011f5b20b7c6d9 > > > > Author: Roger Quadros <ext-roger.quadros@xxxxxxxxx> > > > > Date: Thu Apr 23 14:50:54 2009 +0300 > > > > > > > > Bluetooth: Ensure that HCI sysfs add/del is preempt safe > > > > > > > > Does this one introduces your problem? > > > > > > > > What is your kernel config and hardware you are running this one? Seems > > > > not everybody is seeing this one. > > > > > > > Reverting d97ebf3798fb5745953230e049011f5b20b7c6d9 doesn't help. > > > > > > Today I got a chance to test it with some old tags. > > > > > > Tags: > > > v2.6.29: no issue > > > v2.6.30-rc1: no issue > > > v2.6.30-rc2: BUG: sleeping function called from invalid context at mm/slub.c:1595 > > > v2.6.30-rc3: BUG: sleeping function called from invalid context at mm/slub.c:1595 > > > > > > It happens on my laptops, Lenovo X61s and Fujitsu Lifebook A6110, with both v2.6.30-rc2 and > > v2.6.30-rc3. > > > > > > > > > The followings are from my Lifebook A6110, > > > with blutooth-test git tag: v2.6.30-rc2 (commit 0882e8dd). > > > > so I really think this is a kernel issue and not a Bluetooth issue. Can > > clone Linus' tree from today. All the important Bluetooth fixes for > > 2.6.30 went in today. > > > > I did double check the flush_workqueue() and as far as I can tell we can > > sleep in that context. So for some reason we are in the wrong context. I > > really don't know why. > > OK. I'll clone Linus's tree and give it a try when I get a chance. I re-based bluetooth-testing.git against 2.6.30-rc4 and that is as recent as it gets right now. Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
