平衡点


2011/01/14

_ Let's Note S9, その4

  • その1: http://d.hatena.ne.jp/sasakyh/20100410#p1
  • その2: http://d.hatena.ne.jp/sasakyh/20100608#p1
  • その3: http://d.hatena.ne.jp/sasakyh/20110112#p1

X が刺さる. 今迄 Intel の drm まわりで苦しんだ事がなかったんで, 意外な気分. log を見ると

(EE) intel(0): Failed to submit batch buffer, expect rendering corruption or even a frozen display: Input/output error.

が出ていた. うーん...

あと, 先程以下の log を吐いたので, 強制シャットダウン

BUG: unable to handle kernel NULL pointer dereference at 0000000000000007
IP: [<ffffffff811fe5c5>] n_tty_read+0x51d/0x7a2
PGD 1d7484067 PUD 16224d067 PMD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/LNXSYSTM:00/device:00/ACPI0003:00/power_supply/AC/uevent
CPU 3
Modules linked in: tun usb_storage uas aes_x86_64 aes_generic arc4 ecb acpi_cpufreq mperf cpufreq_userspace cpufreq_conservative cpufreq_powersave cpufreq_stats parport_pc ppdev lp parport acpi_pad power_meter sbs sbshc acpi_memhotplug container pci_slot fan hed binfmt_misc uinput fuse loop snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq joydev snd_timer snd_seq_device snd tpm_infineon i2c_i801 soundcore snd_page_alloc battery ac tpm_tis psmouse tpm panasonic_laptop serio_raw processor power_supply tpm_bios evdev sparse_keymap ext3 jbd mbcache btrfs zlib_deflate crc32c libcrc32c i915 drm_kms_helper i2c_algo_bit drm i2c_core sg sr_mod sd_mod cdrom crc_t10dif ahci libahci sdhci_pci ehci_hcd sdhci usbcore libata scsi_mod mmc_core e1000e nls_base thermal video button thermal_sys output [last unloaded: rfkill]

Pid: 4053, comm: eblook Not tainted 2.6.37.daphne #1 CFS9-1/CF-S9JY6BDP
RIP: 0010:[<ffffffff811fe5c5>]  [<ffffffff811fe5c5>] n_tty_read+0x51d/0x7a2
RSP: 0018:ffff8801621addb8  EFLAGS: 00010246
RAX: 0000000000000007 RBX: ffff880202f5c000 RCX: 00007f0200baa024
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880202f5c52c
RBP: 00007f0200baa000 R08: ffff8801621ac000 R09: ffff88021ad81440
R10: dead000000200200 R11: dead000000100100 R12: 0000000000000000
R13: 7fffffffffffffff R14: 0000000000000000 R15: 0000000000000000
FS:  00007f0200b8b700(0000) GS:ffff8800daac0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000000007 CR3: 00000001f218d000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process eblook (pid: 4053, threadinfo ffff8801621ac000, task ffff880217de72c0)
Stack:
 00000000ffffffff ffff880202f5c0e0 ffff880217974540 ffff880202f5c278
 ffff880202f5c4a0 ffff880217de72c0 ffff880217de72c0 ffff880202f5c52c
 ffff880202f5c1d8 ffffffff00000000 ffff880202f5c1d0 0000000000000000
Call Trace:
 [<ffffffff8103c230>] ? default_wake_function+0x0/0xe
 [<ffffffff811f9f50>] ? tty_read+0x7d/0xc7
 [<ffffffff810ecab7>] ? vfs_read+0xa1/0xfd
 [<ffffffff810ecbc6>] ? sys_read+0x45/0x6b
 [<ffffffff81002a12>] ? system_call_fastpath+0x16/0x1b
Code: ef 00 00 00 44 8b a3 6c 02 00 00 48 8b 54 24 18 f0 44 0f b3 22 45 19 e4 48 63 83 6c 02 00 00 48 8b 93 60 02 00 00 48 8b 7c 24 38 <0f> be 14 02 89 54 24 4c e8 d5 d3 10 00 8b 93 6c 02 00 00 ff 8b
RIP  [<ffffffff811fe5c5>] n_tty_read+0x51d/0x7a2
 RSP <ffff8801621addb8>
CR2: 0000000000000007
---[ end trace 7b8abcad2b3b7609 ]---
tty_release_dev: pts10: read/write wait queue active!
tty_release_dev: pts10: read/write wait queue active!
tty_release_dev: pts10: read/write wait queue active!
tty_release_dev: pts10: read/write wait queue active!
tty_release_dev: pts10: read/write wait queue active!
tty_release_dev: pts10: read/write wait queue active!
tty_release_dev: pts10: read/write wait queue active!
tty_release_dev: pts10: read/write wait queue active!
...

はてさてなんでしょうねぇ...


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