On Friday, August 09, 2013 05:50:45 PM Yinghai Lu wrote: > On Fri, Aug 9, 2013 at 5:26 PM, Yinghai Lu <yinghai@xxxxxxxxxx> wrote: > > from your pm/linux-next > > > > > > [ 7.918603] calling acpi_cpufreq_init+0x0/0x1df @ 1 > > [ 7.923917] BUG: unable to handle kernel NULL pointer dereference > > at (null) > > [ 7.926780] IP: [<ffffffff8151b277>] __list_del_entry+0xb7/0xe0 > > [ 7.927799] PGD 0 > > [ 7.927799] Oops: 0000 [#1] SMP > > [ 7.927799] Modules linked in: > > [ 7.927799] CPU: 0 PID: 1 Comm: swapper/0 Not tainted > > 3.11.0-rc4-yh-00839-g7a8b387-dirty #1840 > > [ 7.927799] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > > [ 7.927799] task: ffff88007ab60000 ti: ffff88007ab5c000 task.ti: > > ffff88007ab5c000 > > [ 7.927799] RIP: 0010:[<ffffffff8151b277>] [<ffffffff8151b277>] > > __list_del_entry+0xb7/0xe0 > > [ 7.927799] RSP: 0018:ffff88007ab5dc98 EFLAGS: 00010007 > > [ 7.927799] RAX: 0000000000000000 RBX: ffff880115c85ab8 RCX: dead000000200200 > > [ 7.927799] RDX: 0000000000000000 RSI: ffffffff82b96718 RDI: ffff880115c85ab8 > > [ 7.927799] RBP: ffff88007ab5dc98 R08: 0000000000000001 R09: 0000000000000001 > > [ 7.927799] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 > > [ 7.927799] R13: 00000000fffffffb R14: ffff88007b80b548 R15: ffff880115c85a00 > > [ 7.927799] FS: 0000000000000000(0000) GS:ffff88007b800000(0000) > > knlGS:0000000000000000 > > [ 7.927799] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > > [ 7.927799] CR2: 0000000000000000 CR3: 0000000002a14000 CR4: 00000000000006f0 > > [ 7.927799] Stack: > > [ 7.927799] ffff88007ab5dcb8 ffffffff8151b2b1 0000000000000000 > > ffff880115c85a00 > > [ 7.927799] ffff88007ab5dcd8 ffffffff81e1ef03 0000000000000000 > > 0000000000000000 > > [ 7.927799] ffff88007ab5dd48 ffffffff81e21829 ffff88007ab5dd70 > > ffff88007ab5dd70 > > [ 7.927799] Call Trace: > > [ 7.927799] [<ffffffff8151b2b1>] list_del+0x11/0x40 > > [ 7.927799] [<ffffffff81e1ef03>] cpufreq_policy_free+0x33/0x70 > > [ 7.927799] [<ffffffff81e21829>] __cpufreq_add_dev.isra.3+0x6b9/0x760 > > [ 7.927799] [<ffffffff81e218e0>] cpufreq_add_dev+0x10/0x20 > > [ 7.927799] [<ffffffff81762e49>] subsys_interface_register+0x99/0xf0 > > [ 7.927799] [<ffffffff81e1fc52>] cpufreq_register_driver+0xb2/0x1a0 > > [ 7.927799] [<ffffffff82e18ff3>] acpi_cpufreq_init+0xbd/0x1df > > [ 7.927799] [<ffffffff810ee56a>] ? ktime_get+0x6a/0xe0 > > [ 7.927799] [<ffffffff82e18f36>] ? cpufreq_gov_dbs_init+0x12/0x12 > > [ 7.927799] [<ffffffff81000272>] do_one_initcall+0x72/0x170 > > [ 7.927799] [<ffffffff810bac00>] ? parse_args+0x150/0x350 > > [ 7.927799] [<ffffffff820b9830>] ? printk+0x4d/0x4f > > [ 7.927799] [<ffffffff82dc2370>] kernel_init_freeable+0x1bf/0x251 > > [ 7.927799] [<ffffffff82dc1a9c>] ? loglevel+0x31/0x31 > > [ 7.927799] [<ffffffff820aef50>] ? rest_init+0xd0/0xd0 > > [ 7.927799] [<ffffffff820aef5e>] kernel_init+0xe/0xf0 > > [ 7.927799] [<ffffffff820dd25c>] ret_from_fork+0x7c/0xb0 > > [ 7.927799] [<ffffffff820aef50>] ? rest_init+0xd0/0xd0 > > [ 7.927799] Code: 84 82 be 3e 00 00 00 48 c7 c7 16 ca 84 82 31 c0 > > e8 7f c8 b7 ff eb 2c 0f 1f 44 00 00 48 b9 00 02 20 00 00 00 ad de 48 > > 39 c8 74 8c <4c> 8b 00 4c 39 c7 75 a6 4c 8b 42 08 4c 39 c7 75 bc 48 89 > > 42 08 > > [ 7.927799] RIP [<ffffffff8151b277>] __list_del_entry+0xb7/0xe0 > > [ 7.927799] RSP <ffff88007ab5dc98> > > [ 7.927799] CR2: 0000000000000000 > > [ 7.927799] ---[ end trace 3db50d3cbca4646d ]--- > > [ 8.003780] Kernel panic - not syncing: Attempted to kill init! > > exitcode=0x00000009 > > [ 8.003780] > > > > > > looks like it caused by patches from Viresh Kumar around Aug 6. > > attached patch fix the problem. > > Please fold it into offending commit. Done, thanks a lot Yinghai! > commit 91e776cc60fb0a7e58c392189dd9cced54cb1fa0 > Author: Lukasz Majewski <l.majewski@xxxxxxxxxxx> > Date: Tue Aug 6 22:53:08 2013 +0530 > > cpufreq: Store cpufreq policies in a list > > Policies available in the cpufreq framework are now linked together. > They are accessible via cpufreq_policy_list defined in the cpufreq > core. > > Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx> > Signed-off-by: Myungjoo Ham <myungjoo.ham@xxxxxxxxxxx> > Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
