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At Wed, 25 Jun 2014 18:08:44 -0400, Cristian Rodríguez wrote:
El 02/06/14 12:23, Takashi Iwai escribió:
Hi,
I made a quick add-on KMP for BFQ I/O scheduler that has been posted recently to LKML: https://lkml.org/lkml/2014/5/29/411
Broken now with kernel:head 3.16rc..
[ 372.720678] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 372.720698] BUG: unable to handle kernel paging request at ffffffff81f4add5 [ 372.720711] IP: [<ffffffff81f4add5>] elv_register+0x0/0x190 [ 372.720724] PGD 1e13067 PUD 1e14063 PMD 1b6e4c063 PTE 8000000001f4a163 [ 372.720740] Oops: 0011 [#1] PREEMPT SMP [ 372.720751] Modules linked in: bfq_iosched(O+) fuse ufs qnx4 hfsplus hfs minix vfat msdos fat jfs xfs libcrc32c reiserfs dm_mod af_packet bnep bluetooth 6lowpan_iphc rfkill joydev usb_storage snd_hda_codec_hdmi iTCO_wdt gpio_ich iTCO_vendor_support dcdbas coretemp snd_hda_codec_realtek uvcvideo kvm_intel snd_hda_codec_generic nouveau videobuf2_vmalloc videobuf2_memops videobuf2_core snd_usb_audio snd_usbmidi_lib kvm v4l2_common snd_rawmidi snd_seq_device videodev snd_hda_intel pcspkr serio_raw snd_hda_controller mxm_wmi video snd_hda_codec ttm r8169 snd_hwdep i2c_i801 drm_kms_helper snd_pcm drm mii i2c_algo_bit snd_timer wmi snd lpc_ich button acpi_cpufreq mfd_core i7core_edac shpchp soundcore edac_core processor ata_generic btrfs xor raid6_pq crc32c_intel sr_mod cdrom pata_jmicron xhci_hcd sg [ 372.720957] CPU: 7 PID: 7947 Comm: modprobe Tainted: G O 3.16.0-rc2-1.g37599aa-desktop #1 [ 372.720967] Hardware name: DELL Inc. Studio XPS 435T/9000/0X501H, BIOS A16 02/04/2010 [ 372.720976] task: ffff88016d7e2290 ti: ffff8801655a8000 task.ti: ffff8801655a8000 [ 372.720984] RIP: 0010:[<ffffffff81f4add5>] [<ffffffff81f4add5>] elv_register+0x0/0x190 [ 372.720997] RSP: 0018:ffff8801655abd40 EFLAGS: 00010202 [ 372.721004] RAX: 00000000000007d0 RBX: ffffffff81e17020 RCX: 0000000000000001 [ 372.721013] RDX: 00000000000007d0 RSI: 0000000000000000 RDI: ffffffffa08e5000 [ 372.721023] RBP: ffff88019fa09a20 R08: ffffffff81ef2a48 R09: 0000000000000008 [ 372.721032] R10: ffffffff820d9ae0 R11: 00000000000000f0 R12: 0000000000000000 [ 372.721040] R13: ffffffffa009d000 R14: ffffffffa08e53d0 R15: 0000000000000001 [ 372.721049] FS: 00007f8c7c7e2700(0000) GS:ffff8801bfce0000(0000) knlGS:0000000000000000 [ 372.721058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 372.721065] CR2: ffffffff81f4add5 CR3: 0000000165194000 CR4: 00000000000007e0 [ 372.721073] Stack: [ 372.721078] ffffffffa009d0b3 ffffffff8100030c ffff8801bffe9000 ffffffffa08e53d0 [ 372.721092] 0000000000000286 0000000000000246 00000000000000c6 ffff88016e979200 [ 372.721105] 0000000000000286 ffffffffa08e5380 00000000aa44cb91 ffff8801655abef8 [ 372.721119] Call Trace: [ 372.721132] [<ffffffffa009d0b3>] bfq_init+0xb3/0x1000 [bfq_iosched] [ 372.721161] [<ffffffff8100030c>] do_one_initcall+0xcc/0x200 [ 372.721175] [<ffffffff810d8232>] load_module+0x2352/0x26e0 [ 372.721186] [<ffffffff810d8715>] SYSC_finit_module+0x75/0xa0 [ 372.721200] [<ffffffff8161eced>] system_call_fastpath+0x1a/0x1f [ 372.721213] [<00007f8c7beebb09>] 0x7f8c7beebb08 [ 372.721219] Code: 00 41 0f b6 52 01 f6 04 11 10 0f 84 8e 0b 00 00 49 8d 72 02 48 89 b4 24 18 02 00 00 0f b6 3e 48 89 f2 48 83 c6 01 44 0f b6 c7 42 <f6> 04 01 10 75 e3 48 89 d6 48 29 de 4d 85 f6 41 89 f5 0f 84 67 [ 372.721337] RIP [<ffffffff81f4add5>] elv_register+0x0/0x190 [ 372.721347] RSP <ffff8801655abd40> [ 372.721353] CR2: ffffffff81f4add5 [ 372.727074] ---[ end trace 6a5fee75aece1cfd ]---
Should be working now. Takashi -- To unsubscribe, e-mail: opensuse-factory+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-factory+owner@opensuse.org