I merged 3.4.109 into 3.4-rt, and it bugged. I then booted 3.4.109 vanilla and it bugged too. 3.4.108 is fine. BUG: unable to handle kernel NULL pointer dereference at (null) IP: [< (null)>] (null) PGD 76c22067 PUD 78329067 PMD 0 Oops: 0010 [#1] PREEMPT SMP Dumping ftrace buffer: (ftrace buffer empty) CPU 2 Modules linked in: sunrpc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables uinput snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_page_alloc snd_timer snd i2c_i801 shpchp soundcore floppy i915 drm_kms_helper drm i2c_algo_bit video [last unloaded: freq_table] Pid: 69, comm: kworker/u:5 Not tainted 3.4.109-test #409 To Be Filled By O.E.M. To Be Filled By O.E.M./To be filled by O.E.M. RIP: 0010:[<0000000000000000>] [< (null)>] (null) RSP: 0018:ffff880037ac3d78 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8800774081c8 RCX: 0000000000293a02 RDX: ffff880077408100 RSI: ffff880077409728 RDI: ffff8800774081c8 RBP: ffff880037ac3dc0 R08: 0000000000014350 R09: ffffea0001e29e00 R10: ffffffffa0066b8d R11: ffff880078a78100 R12: ffff880037bf1800 R13: ffff880077409758 R14: 0000000000000001 R15: ffff880037ac7a05 FS: 0000000000000000(0000) GS:ffff88007d500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000078a90000 CR4: 00000000000007e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process kworker/u:5 (pid: 69, threadinfo ffff880037ac2000, task ffff880037a74d80) Stack: ffffffffa0066adc 00000005c838e132 ffff880077408158 ffff880079faf440 ffff880077408000 ffff880037bf1800 ffff880077409758 0000000000000001 ffff880037ac7a05 ffff880037ac3df0 ffffffffa00686fe 0000000000000002 Call Trace: [<ffffffffa0066adc>] ? i915_gem_retire_requests_ring+0x1f/0x19b [i915] [<ffffffffa00686fe>] i915_gem_retire_requests+0x75/0x8a [i915] [<ffffffffa006876f>] i915_gem_retire_work_handler+0x5c/0x12a [i915] [<ffffffff81059e8f>] ? get_parent_ip+0xf/0x40 [<ffffffff81049787>] process_one_work+0x187/0x298 [<ffffffff8104a293>] worker_thread+0xd3/0x157 [<ffffffff8104a1c0>] ? manage_workers.isra.26+0x16f/0x16f [<ffffffff8104dc79>] kthread+0x6f/0x77 [<ffffffff8151a9d4>] kernel_thread_helper+0x4/0x10 [<ffffffff81513cce>] ? retint_restore_args+0xe/0xe [<ffffffff8104dc0a>] ? kthread_freezable_should_stop+0x43/0x43 [<ffffffff8151a9d0>] ? gs_change+0xb/0xb Code: Bad RIP value. RIP [< (null)>] (null) RSP <ffff880037ac3d78> CR2: 0000000000000000 eth0: no IPv6 routers present Config attached. -- Steve
Attachment:
config.gz
Description: application/gzip