lkml.org 
[lkml]   [2011]   [Jul]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    Date
    Subject3.0.0-r5: ftrace: BUG & OOPS
    Hello,

    Testing 3.0.0-5, trying to echo the string '*:mod:radeon' into
    /sys/kernel/debug/tracing/set_ftrace_filter , I get the following BUG
    and Oops:

    Jul 7 02:10:31 phyllis kernel: [48590.474221] [drm:drm_mode_getfb]
    *ERROR* invalid framebuffer id
    Jul 7 03:17:13 phyllis kernel: [52590.763360]
    [drm:radeon_crtc_page_flip] *ERROR* failed to reserve new rbo buffer
    before flip
    Jul 7 04:02:28 phyllis kernel: [55303.839946] BUG: unable to handle
    kernel paging request at ffffffff8160ec90
    Jul 7 04:02:28 phyllis kernel: [55303.847262] IP:
    [<ffffffff810d9136>] add_hash_entry+0x66/0xd0
    Jul 7 04:02:28 phyllis kernel: [55303.851034] PGD 1a05067 PUD 1a09063
    PMD 80000000016001e1
    Jul 7 04:02:28 phyllis kernel: [55303.854798] Oops: 0003 [#1] SMP
    Jul 7 04:02:28 phyllis kernel: [55303.858604] CPU 1
    Jul 7 04:02:28 phyllis kernel: [55303.858622] Modules linked in:
    cryptd aes_x86_64 aes_generic binfmt_misc rfcomm bnep ip6table_filter
    ip6_tables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4
    nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp
    iptable_filter ip_tables x_tables bridge stp kvm_intel kvm parport_pc
    ppdev dm_crypt arc4 iwlagn snd_hda_codec_hdmi snd_hda_codec_idt
    snd_hda_intel mac80211 snd_hda_codec snd_hwdep snd_pcm snd_seq_midi
    snd_rawmidi joydev btusb snd_seq_midi_event snd_seq bluetooth
    snd_timer snd_seq_device uvcvideo psmouse cfg80211 mei(C) lp snd
    serio_raw soundcore parport dell_laptop dell_wmi videodev intel_ips
    media v4l2_compat_ioctl32 snd_page_alloc sparse_keymap dcdbas usbhid
    hid radeon r8169 ahci libahci mii ttm drm_kms_helper drm video
    i2c_algo_bit intel_agp intel_gtt
    Jul 7 04:02:28 phyllis kernel: [55303.881803]
    Jul 7 04:02:28 phyllis kernel: [55303.885592] Pid: 10344, comm: bash
    Tainted: G WC 3.0.0-rc5 #1 Dell Inc. Inspiron N5010/0YXXJJ
    Jul 7 04:02:28 phyllis kernel: [55303.889401] RIP:
    0010:[<ffffffff810d9136>] [<ffffffff810d9136>]
    add_hash_entry+0x66/0xd0
    Jul 7 04:02:28 phyllis kernel: [55303.893167] RSP:
    0018:ffff88003a96bda8 EFLAGS: 00010246
    Jul 7 04:02:28 phyllis kernel: [55303.896898] RAX: ffff8801301735c0
    RBX: ffffffff8160ec80 RCX: 0000000000306ee0
    Jul 7 04:02:28 phyllis kernel: [55303.900562] RDX: 0000000000000000
    RSI: 0000000000000000 RDI: ffff880137c92940
    Jul 7 04:02:28 phyllis kernel: [55303.904429] RBP: ffff88003a96bdb8
    R08: ffff880137c95680 R09: 0000000000000000
    Jul 7 04:02:28 phyllis kernel: [55303.908000] R10: 0000000000000001
    R11: 0000000000000000 R12: ffffffff81c9df78
    Jul 7 04:02:28 phyllis kernel: [55303.911525] R13: ffff8801153d1000
    R14: 0000000000000000 R15: 0000000000000000
    Jul 7 04:02:28 phyllis kernel: [55303.915018] FS:
    00007f329c18a700(0000) GS:ffff880137c80000(0000)
    knlGS:0000000000000000
    Jul 7 04:02:28 phyllis kernel: [55303.918434] CS: 0010 DS: 0000 ES:
    0000 CR0: 0000000080050033
    Jul 7 04:02:28 phyllis kernel: [55303.921793] CR2: ffffffff8160ec90
    CR3: 000000003002b000 CR4: 00000000000006e0
    Jul 7 04:02:28 phyllis kernel: [55303.925400] DR0: 0000000000000000
    DR1: 0000000000000000 DR2: 0000000000000000
    Jul 7 04:02:28 phyllis kernel: [55303.928657] DR3: 0000000000000000
    DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Jul 7 04:02:28 phyllis kernel: [55303.931862] Process bash (pid:
    10344, threadinfo ffff88003a96a000, task ffff88012fcfc470)
    Jul 7 04:02:28 phyllis kernel: [55303.935266] Stack:
    Jul 7 04:02:28 phyllis kernel: [55303.938363] 0000000000000fd0
    00000000000000fc ffff88003a96be38 ffffffff810d92f5
    Jul 7 04:02:28 phyllis kernel: [55303.941442] ffff88011c4c4e00
    ffff880000000000 000000000b69f4d0 ffffffff8160ec80
    Jul 7 04:02:28 phyllis kernel: [55303.944579] ffff8800300e6f06
    0000000081130295 0000000000000282 ffff8800300e6f00
    Jul 7 04:02:28 phyllis kernel: [55303.947671] Call Trace:
    Jul 7 04:02:28 phyllis kernel: [55303.950557] [<ffffffff810d92f5>]
    match_records+0x155/0x1b0
    Jul 7 04:02:28 phyllis kernel: [55303.953445] [<ffffffff810d940c>]
    ftrace_mod_callback+0xbc/0x100
    Jul 7 04:02:28 phyllis kernel: [55303.956211] [<ffffffff810dafdf>]
    ftrace_regex_write+0x16f/0x210
    Jul 7 04:02:28 phyllis kernel: [55303.958908] [<ffffffff810db09f>]
    ftrace_filter_write+0xf/0x20
    Jul 7 04:02:28 phyllis kernel: [55303.961568] [<ffffffff81166e48>]
    vfs_write+0xc8/0x190
    Jul 7 04:02:28 phyllis kernel: [55303.964125] [<ffffffff81167001>]
    sys_write+0x51/0x90
    Jul 7 04:02:28 phyllis kernel: [55303.966610] [<ffffffff815c7e02>]
    system_call_fastpath+0x16/0x1b
    Jul 7 04:02:28 phyllis kernel: [55303.969115] Code: 48 8b 33 31 d2 48
    85 f6 75 33 49 89 d4 4c 03 63 08 49 8b 14 24 48 85 d2 48 89 10 74 04
    48 89 42 08 49 89 04 24 4c 89 60 08 31 d2
    Jul 7 04:02:28 phyllis kernel: [55303.974815] RIP
    [<ffffffff810d9136>] add_hash_entry+0x66/0xd0
    Jul 7 04:02:28 phyllis kernel: [55303.977529] RSP <ffff88003a96bda8>
    Jul 7 04:02:28 phyllis kernel: [55303.980322] CR2: ffffffff8160ec90
    Jul 7 04:02:28 phyllis kernel: [55303.993628] ---[ end trace
    a5d031828efdd88e ]---

    The taint is, I think, due to the following prior WARN, also
    apparently in the tracing code (while running Kernelshark):

    Jul 7 01:38:18 phyllis kernel: [46668.806315] WARNING: at
    kernel/trace/trace.c:2726 tracing_ctrl_write+0x1ae/0x1d0()
    Jul 7 01:38:18 phyllis kernel: [46668.806321] Hardware name: Inspiron N5010
    Jul 7 01:38:18 phyllis kernel: [46668.806325] tracing_enabled is
    deprecated. Use tracing_on
    Jul 7 01:38:18 phyllis kernel: [46668.806329] Modules linked in:
    binfmt_misc rfcomm bnep ip6table_filter ip6_tables ipt_MASQUERADE
    iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state
    nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables
    bridge stp kvm_intel kvm parport_pc ppdev dm_crypt arc4 iwlagn
    snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel mac80211
    snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi joydev btusb
    snd_seq_midi_event snd_seq bluetooth snd_timer snd_seq_device uvcvideo
    psmouse cfg80211 mei(C) lp snd serio_raw soundcore parport dell_laptop
    dell_wmi videodev intel_ips media v4l2_compat_ioctl32 snd_page_alloc
    sparse_keymap dcdbas usbhid hid radeon r8169 ahci libahci mii ttm
    drm_kms_helper drm video i2c_algo_bit intel_agp intel_gtt
    Jul 7 01:38:18 phyllis kernel: [46668.806416] Pid: 7388, comm:
    latencytop Tainted: G C 3.0.0-rc5 #1
    Jul 7 01:38:18 phyllis kernel: [46668.806420] Call Trace:
    Jul 7 01:38:18 phyllis kernel: [46668.806429] [<ffffffff8105f92f>]
    warn_slowpath_common+0x7f/0xc0
    Jul 7 01:38:18 phyllis kernel: [46668.806435] [<ffffffff8105fa26>]
    warn_slowpath_fmt+0x46/0x50
    Jul 7 01:38:18 phyllis kernel: [46668.806442] [<ffffffff810e1d90>] ?
    copy_from_user+0x30/0x40
    Jul 7 01:38:18 phyllis kernel: [46668.806447] [<ffffffff810e404e>]
    tracing_ctrl_write+0x1ae/0x1d0
    Jul 7 01:38:18 phyllis kernel: [46668.806454] [<ffffffff812b3cc8>] ?
    apparmor_file_permission+0x18/0x20
    Jul 7 01:38:18 phyllis kernel: [46668.806463] [<ffffffff81280af3>] ?
    security_file_permission+0x23/0x90
    Jul 7 01:38:18 phyllis kernel: [46668.806471] [<ffffffff81166e48>]
    vfs_write+0xc8/0x190
    Jul 7 01:38:18 phyllis kernel: [46668.806476] [<ffffffff81167001>]
    sys_write+0x51/0x90
    Jul 7 01:38:18 phyllis kernel: [46668.806484] [<ffffffff815c7e02>]
    system_call_fastpath+0x16/0x1b

    I am happy to answer any questions.

    Thanks!

    --
    Brian Gitonga Marete
    Toshnix Systems
    Tel: +254722151590


    \
     
     \ /
      Last update: 2011-07-07 12:27    [W:0.029 / U:120.860 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site