Messages in this thread | | | Date | Wed, 27 Jun 2012 11:22:02 -0700 | From | Tejun Heo <> | Subject | Re: 3.5.0-rc3 - Issue with CFQ and cgroup |
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Hello,
On Wed, Jun 27, 2012 at 07:58:08PM +0200, Paul Rolland wrote: > Hello, > > When I first booted my 3.5.0-rc3 config, I've some : > Default I/O scheduler not found. Using noop. > which surprised me. so, after the boot completed, I had a look at the > system messages, and found : > > ... > io scheduler noop registered > io scheduler deadline registered > ------------[ cut here ]------------ > WARNING: at block/blk-cgroup.c:867 blkcg_policy_register+0xb5/0xc0() > Hardware name: Vostro 1520 > Modules linked in: > Pid: 1, comm: swapper/0 Not tainted 3.5.0-rc3 #1 > Call Trace: > [<ffffffff8103a59a>] warn_slowpath_common+0x7a/0xb0 > [<ffffffff81cafbed>] ? deadline_init+0x12/0x12 > [<ffffffff8103a5e5>] warn_slowpath_null+0x15/0x20 > [<ffffffff8131a6f5>] blkcg_policy_register+0xb5/0xc0 > [<ffffffff81cafc2f>] cfq_init+0x42/0x9f > [<ffffffff810001ba>] do_one_initcall+0x3a/0x160 > [<ffffffff81c8ed08>] kernel_init+0x137/0x1bb > [<ffffffff81c8e5c5>] ? do_early_param+0x87/0x87 > [<ffffffff8169e3d4>] kernel_thread_helper+0x4/0x10 > [<ffffffff81c8ebd1>] ? start_kernel+0x3b2/0x3b2 > [<ffffffff8169e3d0>] ? gs_change+0xb/0xb > ---[ end trace 82bc55f036371117 ]---
Can you please test the following branch?
git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-linus
Thanks.
-- tejun
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