On Fri, 7 Feb 2014, Fengguang Wu wrote: > [ 1.625020] BTRFS: selftest: Running btrfs_split_item tests > [ 1.627004] BTRFS: selftest: Running find delalloc tests > [ 2.289182] tsc: Refined TSC clocksource calibration: 2299.967 MHz > [ 292.084537] kthreadd invoked oom-killer: gfp_mask=0x3000d0, order=1, > oom_score_adj=0 > [ 292.086439] kthreadd cpuset= > [ 292.087072] BUG: unable to handle kernel NULL pointer dereference at > 0000000000000038 > [ 292.087372] IP: [<ffffffff812119de>] pr_cont_kernfs_name+0x1b/0x6c
This looks like a problem with the cpuset cgroup name, are you sure this isn't related to the removal of cgroup->name? > [ 292.087372] PGD 0 > [ 292.087372] Oops: 0000 [#1] > [ 292.087372] Modules linked in: > [ 292.087372] CPU: 0 PID: 2 Comm: kthreadd Not tainted > 3.14.0-rc1-wl-ath-00978-g4830363 #2 > [ 292.087372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > [ 292.087372] task: ffff880000148050 ti: ffff88000014a000 task.ti: > ffff88000014a000 > [ 292.087372] RIP: 0010:[<ffffffff812119de>] [<ffffffff812119de>] > pr_cont_kernfs_name+0x1b/0x6c > [ 292.087372] RSP: 0000:ffff88000014bb20 EFLAGS: 00010046 > [ 292.087372] RAX: 0000000000000282 RBX: 0000000000000000 RCX: > 0000000000000002 > [ 292.087372] RDX: ffffffff812119de RSI: ffffffff8247d4a8 RDI: > 0000000000000046 > [ 292.087372] RBP: ffff88000014bb30 R08: ffffffff82f31218 R09: > 0000000000000000 > [ 292.087372] R10: 0000000000000000 R11: 0000000000000000 R12: > ffffffff833c4ab8 > [ 292.087372] R13: 00000000003000d0 R14: 0000000000000001 R15: > 0000000000000000 > [ 292.087372] FS: 0000000000000000(0000) GS:ffffffff82279000(0000) > knlGS:0000000000000000 > [ 292.087372] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 292.087372] CR2: 0000000000000038 CR3: 0000000002269000 CR4: > 00000000000006b0 > [ 292.087372] Stack: > [ 292.087372] ffff880000148050 ffffffff833c4ab8 ffff88000014bb50 > ffffffff8110836d > [ 292.087372] ffff880000148050 ffff880000148530 ffff88000014bbd0 > ffffffff81ae2614 > [ 292.087372] ffff880000148640 ffff88000014bb78 ffffffff810c7dd7 > ffff88000014bb98 > [ 292.087372] Call Trace: > [ 292.087372] [<ffffffff8110836d>] cpuset_print_task_mems_allowed+0x65/0x8b > [ 292.087372] [<ffffffff81ae2614>] dump_header.isra.11+0x68/0x29a > [ 292.087372] [<ffffffff810c7dd7>] ? local_clock+0x2b/0x34 > [ 292.087372] [<ffffffff810ce52b>] ? lock_release_holdtime+0xcf/0xdb > [ 292.087372] [<ffffffff811533d2>] ? out_of_memory+0x318/0x40f > [ 292.087372] [<ffffffff8115342d>] out_of_memory+0x373/0x40f > [ 292.087372] [<ffffffff8115324d>] ? out_of_memory+0x193/0x40f > [ 292.087372] [<ffffffff8115a0ac>] __alloc_pages_nodemask+0xdd1/0x12c4 > [ 292.087372] [<ffffffff8100d301>] ? native_sched_clock+0xe4/0xfc > [ 292.087372] [<ffffffff81089519>] copy_process+0x21d/0x2115 > [ 292.087372] [<ffffffff810b693e>] ? kthread_create_on_node+0x23e/0x23e > [ 292.087372] [<ffffffff8100d322>] ? sched_clock+0x9/0xd > [ 292.087372] [<ffffffff810c7aa7>] ? sched_clock_local.constprop.2+0x35/0xc8 > [ 292.087372] [<ffffffff810360bf>] ? pvclock_clocksource_read+0x9b/0x140 > [ 292.087372] [<ffffffff810b693e>] ? kthread_create_on_node+0x23e/0x23e > [ 292.087372] [<ffffffff8108b61c>] do_fork+0x105/0x4db > [ 292.087372] [<ffffffff810c7d54>] ? sched_clock_cpu+0xc9/0xdb > [ 292.087372] [<ffffffff810c7dd7>] ? local_clock+0x2b/0x34 > [ 292.087372] [<ffffffff810ce52b>] ? lock_release_holdtime+0xcf/0xdb > [ 292.087372] [<ffffffff810b768d>] ? kthreadd+0x1b3/0x24a > [ 292.087372] [<ffffffff8108ba18>] kernel_thread+0x26/0x28 > [ 292.087372] [<ffffffff810b76a1>] kthreadd+0x1c7/0x24a > [ 292.087372] [<ffffffff81afc50a>] ? ret_from_fork+0x7a/0xb0 > [ 292.087372] [<ffffffff810b74da>] ? kthread_create_on_cpu+0x7a/0x7a > [ 292.087372] [<ffffffff81afc50a>] ret_from_fork+0x7a/0xb0 > [ 292.087372] [<ffffffff810b74da>] ? kthread_create_on_cpu+0x7a/0x7a > [ 292.087372] Code: 1c 92 8e 00 48 8b 45 e0 59 5b 41 5c 41 5d 5d c3 0f 1f 44 > 00 00 55 48 89 e5 41 54 53 48 89 fb 48 c7 c7 90 d4 47 82 e8 b1 8f 8e 00 <48> > 83 7b 38 00 49 89 c4 74 06 48 8b 73 40 eb 07 48 c7 c6 48 fe > [ 292.087372] RIP [<ffffffff812119de>] pr_cont_kernfs_name+0x1b/0x6c > [ 292.087372] RSP <ffff88000014bb20> > [ 292.087372] CR2: 0000000000000038 > [ 292.087372] ---[ end trace df25444498a82119 ]--- > [ 292.087372] ---[ end trace df25444498a82119 ]--- > > git bisect start 483036322b45d800fd68cb028874b6cd4fee3dba > 38dbfb59d1175ef458d006556061adeaa8751b72 -- > git bisect bad 50a557bc0d03997d9203d749b0304c54d2c6e5f5 # 02:20 0- > 5 Merge 'cgroup/review-simplify' into devel-hourly-2014020601 > git bisect bad c04e036e53a39cf2986ddaaf5607ff011f9ea55b # 03:14 0- > 1 Merge 'pinctrl/for-next' into devel-hourly-2014020601 > git bisect good 08ce20bd7ef9a08b74cdfe6fe454374be72b5825 # 03:58 25+ > 0 Merge 'pci/pci/msi' into devel-hourly-2014020601 > git bisect good 4f86564c657669f69c9cc03151ef6f23ae9e2015 # 04:32 25+ > 0 Merge 'm68knommu/cf' into devel-hourly-2014020601 > git bisect bad 29ae23c20b538664beaea72bb0721ce2538b4ca9 # 04:50 0- > 11 Merge 'm68knommu/cfmmu' into devel-hourly-2014020601 > git bisect bad bbce71dbd03db3cf6df7faba0132d87a1a055827 # 04:58 0- > 3 Merge 'nfs/devel' into devel-hourly-2014020601 > git bisect good 88a78a912ee059467ae6db7429a6efe4654620a5 # 06:16 25+ > 1 Merge branch 'acl_fixes' into linux-next > git bisect good 12b13835a0a8bfabea68741e1ab4d4a4cb77d037 # 06:36 25+ > 0 kbuild: don't enable DEBUG_INFO when building for COMPILE_TEST > git bisect bad 1f35d872a0b9dd05de8f0e50fc2957bf74ea30f7 # 06:55 0- > 9 NFS: Shrink nfs_inode by sharing storage for cookieverf and commit_info > git bisect bad 878a876b2e10888afe53766dcca33f723ae20edc # 07:16 0- > 4 Merge branch 'for-linus' of > git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs > git bisect good d7512f79fd6cb8e2d9b78770289df6391a867ca1 # 07:20 25+ > 0 Merge tag 'nfs-for-3.14-3' of > git://git.linux-nfs.org/projects/trondmy/linux-nfs > git bisect bad 9343224bfd4be6a02e6ae0c0d66426c955c7d76e # 07:34 0- > 12 Merge branch 'akpm' (patches from Andrew Morton) > git bisect bad 0cc2aa51be9d2f2b001c0e070b2e5cdde89b39f4 # 07:47 0- > 10 Add linux-next specific files for 20140206 > > Thanks, > Fengguang > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
