loading with elevator=cfq forces using of irqpoll
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| | linux-source-2.6.17 (Ubuntu) |
Low
|
Unassigned | ||
Bug Description
Binary package hint: linux-source-2.6.17
Hi,
after adding "elevator=cfq" to my boot options in grub's menu.lst, I couldn't use my WLan anymore. It said something like "add irqpoll". After adding irqpoll to the startup options, it worked as before.
My Laptop: https:/
It's a bcm43xx-chipset.
| Tim Gardner (timg-tpi) wrote : | #1 |
| Changed in linux-source-2.6.17: | |
| assignee: | nobody → timg-tpi |
| status: | Unconfirmed → Needs Info |
| Ben M. (bmhm) wrote : | #2 |
Hi,
some additional info:
* This didn't occure in Edgy 32bit
* With no parametres "irqpoll elevator=cfq" I get a message (after logging in into gdm): "Could not initialise HAL".
* WLan won't work (bcm43xx)
* dmesg says "try irqpoll - if it works, report it as a bug" ;-)
| Ben M. (bmhm) wrote : | #3 |
| Ben M. (bmhm) wrote : | #4 |
I could have created a tallball... too late.
| Tim Gardner (timg-tpi) wrote : | #5 |
Have you considered not using cfq? Forcing irqpoll is causing lots of other problems. Look in your dmesg log.
| Changed in linux-source-2.6.17: | |
| assignee: | timg-tpi → ubuntu-kernel-team |
| importance: | Undecided → Low |
| status: | Needs Info → Confirmed |
| Ben M. (bmhm) wrote : | #6 |
using elevator=cfq only gives a hal error. whatever.
Yeah, unsetting irqpoll messed up everything (i.e. booting default way).
My Network is not being recognized, I can see "error loading ibm_acpi" at startup.
When restarting network, no cable networks are found.
Loading my Wireless driver/module "bmc43xx" and "acer_acpi" freezes my laptop.
Just look at this and the following thread. Now you know why I enabled irqpoll - dmesg told me. And it made life easier.
I re-enabled irqpoll (but not elevator=cfq) until it is solved. I really need networking.
Regards & Thanks for helping.
| Ben M. (bmhm) wrote : | #7 |
Some interesting networtk-restart output. Just watch the 2nd last paragraph. Looks scary to me.
And well, i don't think it happend in 32 bit version. Really.
| Tim Gardner (timg-tpi) wrote : | #8 |
I just noticed that you are still on Edgy (2.6.17). How about getting the Feisty daily at http://
| Ben M. (bmhm) wrote : | #9 |
Ha... well, why not. Sounds promising!
I'll give it a try by Monday and report to you then.
Well, it's just nasty to compile things on a live-system... I need to load and unload some modules and so on.
Thanks for the link and your help so far, although I'd love to know what causes this error - which doesn't even occur on 32bit-edgy.
Regards,
-> B.M.
| Ben M. (bmhm) wrote : | #10 |
Invalid, because could be avoided - misunderstanding of original purpose.
| Changed in linux-source-2.6.17: | |
| status: | Confirmed → Invalid |
Per a decision made by the Ubuntu Kernel Team, bugs will longer be assigned to the ubuntu-kernel-team in Launchpad as part of the bug triage process. The ubuntu-kernel-team is being unassigned from this bug report. Refer to https:/
I can't reproduce this problem. Where did you find the advice to add the irqpoll option? Please attach (do not inline) the output of these commands without the irqpoll boot option:
sudo dmidecode > dmidecode.txt
lspci -vv > lspci.txt
dmesg > dmesg.txt