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Subjectapplesmc oops in 3.10/3.11
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Hi All,

Chris has reported[1] an issue with the applesmc driver in the 3.10
and 3.11 kernels. This seems to be a bit transient, but the oops is
consistent across those releases. This is with a MacBook Pro 4,1.
The backtrace is below.

Any ideas on this one?

josh

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1011719

BUG: unable to handle kernel paging request at ffff880322aed005
IP: [<ffffffffa05dd345>] applesmc_get_entry_by_index+0x25/0xf0 [applesmc]
PGD 1fe5067 PUD 0
Oops: 0000 [#1] SMP
Modules linked in: b43 coretemp kvm_intel kvm joydev bcma mac80211
uvcvideo snd_hda_codec_realtek applesmc(+) iTCO_wdt cfg80211
iTCO_vendor_support microcode input_polldev snd_hda_intel
snd_hda_codec i2c_i801 videobuf2_vmalloc videobuf2_memops
videobuf2_core videodev snd_hwdep snd_seq bcm5974 btusb hid_appleir
snd_seq_device media bluetooth snd_pcm lpc_ich mfd_core rfkill
snd_page_alloc snd_timer snd apple_bl soundcore shpchp acpi_cpufreq
mperf nfsd auth_rpcgss nfs_acl lockd isofs squashfs btrfs libcrc32c
xor zlib_deflate raid6_pq usb_storage nouveau firewire_ohci
ata_generic pata_acpi firewire_core crc_itu_t sky2 mxm_wmi wmi
i2c_algo_bit ssb drm_kms_helper mmc_core ttm drm i2c_core video sunrpc
loop
CPU: 1 PID: 492 Comm: systemd-udevd Not tainted 3.11.0-300.fc20.x86_64 #1
Hardware name: Apple Inc. MacBookPro4,1/Mac-F42C89C8, BIOS
MBP41.88Z.00C1.B03.0802271651 02/27/08
task: ffff880132a407a0 ti: ffff8801343fe000 task.ti: ffff8801343fe000
RIP: 0010:[<ffffffffa05dd345>] [<ffffffffa05dd345>]
applesmc_get_entry_by_index+0x25/0xf0 [applesmc]
RSP: 0018:ffff8801343ffa18 EFLAGS: 00010286
RAX: 0000000026000000 RBX: ffff880322aed000 RCX: ffff8801343ffaf4
RDX: 0000000072000000 RSI: ffffffffa05df06e RDI: 0000000026000000
RBP: ffff8801343ffa38 R08: ffff8801343fe000 R09: ffff880132a6c100
R10: 0000000000000000 R11: 0000000000014180 R12: 0000000026000000
R13: 000000004c000001 R14: ffffffffa05df06e R15: ffff8801343ffa84
FS: 00007f6aac863880(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff880322aed005 CR3: 00000001340fa000 CR4: 00000000000007e0
Stack:
000000000004deef ffffffffffffff10 0000000026000000 0000000000000000
ffff8801343ffa70 ffffffffa05dd4f1 0000000000000032 0000000000000001
ffffffffa05df06e ffff880134be3810 ffffffffa05e0660 ffff8801343ffaa8
Call Trace:
[<ffffffffa05dd4f1>] applesmc_get_lower_bound+0x51/0xa0 [applesmc]
[<ffffffffa05dd563>] applesmc_get_entry_by_key+0x23/0xc0 [applesmc]
[<ffffffffa05dd9f9>] applesmc_read_key+0x19/0x70 [applesmc]
[<ffffffffa05de08f>] applesmc_init_smcreg+0x8f/0x2d0 [applesmc]
[<ffffffffa05de2e2>] applesmc_probe+0x12/0x30 [applesmc]
[<ffffffff813f41dc>] platform_drv_probe+0x3c/0x70
[<ffffffff813f18b2>] ? driver_sysfs_add+0x82/0xb0
[<ffffffff813f1f77>] driver_probe_device+0x87/0x390
[<ffffffff813f2280>] ? driver_probe_device+0x390/0x390
[<ffffffff813f22bb>] __device_attach+0x3b/0x40
[<ffffffff813eff73>] bus_for_each_drv+0x63/0xa0
[<ffffffff813f1e78>] device_attach+0x88/0xa0
[<ffffffff813f11e8>] bus_probe_device+0x98/0xc0
[<ffffffff813eeeb4>] device_add+0x4c4/0x7a0
[<ffffffff813f3cb1>] platform_device_add+0xd1/0x2d0
[<ffffffff813f4430>] platform_device_register_full+0xe0/0x120
[<ffffffffa05e3000>] ? 0xffffffffa05e2fff
[<ffffffffa05e3098>] applesmc_init+0x98/0x1000 [applesmc]
[<ffffffff810020fa>] do_one_initcall+0xfa/0x1b0
[<ffffffff81052483>] ? set_memory_nx+0x43/0x50
[<ffffffff810cc58d>] load_module+0x1bbd/0x2660
[<ffffffff810c8890>] ? store_uevent+0x40/0x40
[<ffffffff810cd1a6>] SyS_finit_module+0x86/0xb0
[<ffffffff81652cd9>] system_call_fastpath+0x16/0x1b
Code: 84 00 00 00 00 00 66 66 66 66 90 55 48 63 c7 48 8d 14 40 48 89
e5 41 54 41 89 fc 53 48 8d 1c 90 48 83 ec 10 48 03 1d 03 33 00 00 <80>
7b 05 00 48 89 d8 74 12 48 83 c4 10 5b 41 5c 5d c3 66 0f 1f
RIP [<ffffffffa05dd345>] applesmc_get_entry_by_index+0x25/0xf0 [applesmc]
RSP <ffff8801343ffa18>


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