[Bug 67571] New: BUG: unable to handle kernel paging in amd E350 hdmi init

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=67571

            Bug ID: 67571
           Summary: BUG: unable to handle kernel paging in amd E350 hdmi
                    init
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.13.0-rc5
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: eric.valette@free.fr
        Regression: No

Created attachment 119351
  --> https://bugzilla.kernel.org/attachment.cgi?id=119351&action=edit
complete dmesg

Here is an extract of the dmeg log. We are several to be bitten by the same bug 
as described here:

http://forum.xbmc.org/showthread.php?tid=174854&pid=1577781#pid1577781

[drm] Found smc ucode version: 0x00010200
[   40.117359] BUG: unable to handle kernel paging request at ffffec2000000900
[   40.117377] IP: [<ffffffff810a796f>] kfree+0x41/0xe2
[   40.117396] PGD 0 
[   40.117404] Oops: 0000 [#1] PREEMPT SMP 
[   40.117413] Modules linked in: radeon cfbfillrect cfbimgblt cfbcopyarea
i2c_algo_bit backlight drm_kms_helper ttm drm fb fbdev
[   40.117445] CPU: 1 PID: 3029 Comm: Xorg Not tainted 3.13.0-rc5 #6
[   40.117454] Hardware name: To be filled by O.E.M. To be filled by
O.E.M./Inagua CRB, BIOS 4.6.4 06/15/2011
[   40.117463] task: ffff88013ba5f2c0 ti: ffff88009d1ce000 task.ti:
ffff88009d1ce000
[   40.117470] RIP: 0010:[<ffffffff810a796f>]  [<ffffffff810a796f>]
kfree+0x41/0xe2
[   40.117484] RSP: 0018:ffff88009d1cfa40  EFLAGS: 00010286
[   40.117492] RAX: ffffea0000000000 RBX: 0000100000024414 RCX:
0000000000000000
[   40.117499] RDX: 0000000000010005 RSI: 0000000000005f78 RDI:
0000100000024414
[   40.117505] RBP: 0000000000000c00 R08: ffffec2000000900 R09:
0000000000000c00
[   40.117512] R10: ffffffffa00a7da5 R11: ffffffffa00a7f08 R12:
ffff8800a2c01200
[   40.117518] R13: ffff88013b298000 R14: 0000000000000000 R15:
ffff88013aaa6b00
[   40.117526] FS:  00007f94df8fe980(0000) GS:ffff88013fd00000(0000)
knlGS:0000000000000000
[   40.117533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.117539] CR2: ffffec2000000900 CR3: 00000000a36e3000 CR4:
00000000000007e0
[   40.117544] Stack:
[   40.117549]  ffff88013b298000 ffffffffa00f11e2 00007c44a00f62be
00007d2c00007c48
[   40.117559]  ffff8800a2c01200 0000000000000003 0000000000000000
ffffffffa01750b1
[   40.117569]  0000100000024414 0000188000024414 0000180000028488
ffffffff00024414
[   40.117579] Call Trace:
[   40.117686]  [<ffffffffa00f11e2>] ? evergreen_hdmi_setmode+0x3cc/0x7e1
[radeon]
[   40.117705]  [<ffffffffa0071732>] ? drm_crtc_helper_set_mode+0x30a/0x40a
[drm_kms_helper]
[   40.117726]  [<ffffffffa007248c>] ? drm_crtc_helper_set_config+0x5ff/0x842
[drm_kms_helper]
[   40.117798]  [<ffffffffa00b4392>] ? radeon_crtc_set_config+0x41/0xe8
[radeon]
[   40.117843]  [<ffffffffa001d3e7>] ? drm_mode_set_config_internal+0x44/0xac
[drm]
[   40.117885]  [<ffffffffa001f8cb>] ? drm_mode_setcrtc+0x3e8/0x499 [drm]
[   40.117917]  [<ffffffffa00148b3>] ? drm_ioctl+0x26f/0x394 [drm]
[   40.117957]  [<ffffffffa001f4e3>] ? drm_mode_setplane+0x335/0x335 [drm]
[   40.118015]  [<ffffffffa0096045>] ? radeon_drm_ioctl+0x45/0x77 [radeon]
[   40.118028]  [<ffffffff810b962a>] ? do_vfs_ioctl+0x356/0x421
[   40.118039]  [<ffffffff810b9743>] ? SyS_ioctl+0x4e/0x7b
[   40.118054]  [<ffffffff8147a322>] ? system_call_fastpath+0x16/0x1b
[   40.118059] Code: 00 00 00 80 ff 77 00 00 49 01 f8 48 0f 42 05 b9 86 96 00
49 01 c0 48 b8 00 00 00 00 00 ea ff ff 49 c1 e8 0c 49 c1 e0 06 49 01 c0 <49> 8b
00 f6 c4 80 74 04 4d 8b 40 30 49 8b 00 a8 80 75 22 49 f7 
[   40.118149] RIP  [<ffffffff810a796f>] kfree+0x41/0xe2
[   40.118160]  RSP <ffff88009d1cfa40>
[   40.118165] CR2: ffffec2000000900
[   40.118173] ---[ end trace e7d41f7cbae99794 ]---

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