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Kernel/VM 探検隊@東京 No18

Transcript

1. ,FSOFM7.
   ୳ݕୂ!౦ژ
   /P ྩ࿨࠷৽൛
   0QFO8SU
   Λ
   ೥લͷϧʔλʔͰಈ͔͢ ຤ా୎າ
   BLB
   QVIJUBLV
2. w Ԭࢁݝग़਎
   
   Ԭࢁݝࡏॅ
   w ΋ͷͮ͘Γ԰ͷݸਓࣄۀओ
   w ηΩϡϦςΟΩϟϯϓߨࢣʢ໌ޙ೔͔Βຊ൪ʣ
   w ࣥච
   ೔ܦ
   -JOVYɺ8&# %#
   13&44
   w 044ίϯαϧ
   
   
   झຯ
   w ϦόʔεΤϯδχΞϦϯά
   w ௿͍ϨΠϠʔͰ༡Ϳ
   w %*:
   %
   ϓϦϯτɺ໦޻
   FUD ࣗݾ঺հ  ຤ా
   ୎າ
   5BLVNJ
   4VFEB
   !QVIJUBLV
3. ͓͜ͱΘΓ w ి೾๏ʹجٕͮ͘ज़ج४ద߹ূ໌ʢٕదʣΛड͚ͨແઢ ϧʔλʔʹࣗ࡞ͷϑΝʔϜ΢ΣΞΛಋೖͨ͠৔߹ɺٕద͕ ແޮͱ͞Εి೾ͷ์ࣹ͕ҧ๏ͱͳΔՄೳੑ͕͋Γ·͢
   w ຊൃදͰ͸ٕదϚʔΫ͕͍ͭͨػثʹ७ਖ਼Ͱ͸ͳ͍ϑΝʔ Ϝ΢ΣΞΛಋೖ͢ΔՕॴ͕͋Γ·͕͢ɺ࡞ۀͷશ޻ఔʹ͓ ͍ͯి೾ͷ์ࣹ͸Ұ੾ߦ͍ͬͯ·ͤΜ
   w ϧʔλʔͷվ଄͸֤ࣗͷࣗݾ੹೚Ͱߦ͍ͬͯͩ͘͞
   w ి೾๏Λकָ͍ͬͯ͠ϧʔλʔվ଄ϥΠϑʂ  ٕదϚʔΫ
4. ୈষ
   ղઆ
   
   ߪೖฤ
5. ղઆ
   
   ߪೖฤ 0QFO8SU
   ͱ͸ʁ 
6. Ոఉ༻ແઢϧʔλʔΛத৺ʹɺϝʔΧʔ७ਖ਼ϑΝʔϜ΢ΣΞ Λஔ͖׵͑ͯɺݩʑͳ͔ͬͨػೳ΍൚༻ίϯϐϡʔλʔͱͯ͠ ͷίϚϯυ܈Λ௥Ճ͢Δ
   -JOVY
   σΟετϦϏϡʔγϣϯɻ
   ύοέʔδϚωʔδϟʔͷ
   PQLHʢNBTUFS
   Ͱ͸
   BQLʣΛ࢖ ͏ͱɺϑϧػೳͷ
   #BTI
   ΍
   7JN
   Λ
   VTFS
   TQBDF
   ʹ௥Ճͨ͠ Γɺ͋ΒΏΔϨΠϠʔͷ͋ΒΏΔϓϩτίϧΛαϙʔτ͢Δ ΧʔωϧϞδϡʔϧΛ௥Ճͨ͠ΓͰ͖Δɻ ղઆ
   
   ߪೖฤ  0QFO8SU
   ͱ͸ʁ
7. ೥ʙ೥
   w -JOLTZT
   ͕ॳΊͯ
   -JOVY
   Λ౥ࡌ͢ΔՈఉ༻ແઢϧʔλʔͱ ͯ͠
   835(
   Λൃച
   w ੑೳ͕एׯڧԽ͞Εͨ
   835(4
   Λଓ͚ͯൃച
   w 835(
   ͷ
   -JOVY
   ͷιʔείʔυͱ
   #VJMESPPU
   Λϕʔε ʹ࠷ॳͷ
   0QFO8SU
   ͕ϦϦʔε
   w ϧʔλʔվ଄ͷϕʔεػछͱͯ͠େਓؾʹ
   
   ໿೥ܦա
   
   ೥
   w QVIJUBLVʮ໊ػͩ͠
   835(
   γϦʔζങ͓͔ͬͯ͘ʯ ղઆ
   
   ߪೖฤ  ࣌ܥྻ 835(
   औѻઆ໌ॻ
8. ղઆ
   
   ߪೖฤ 835(
   γϦʔζʹ͸ػछ͕͍ͬͺ͍͋Δ͚Ͳ
   ͲΕΛങ͏͔ʁ
   ͔ͤͬ͘ͳΒۙ೥ͷ
   0QFO8SU
   YYY
   ͕
   ಈ͘΍ͭʹ͍ͨ͠ʜ 
9. ղઆ
   
   ߪೖฤ ݹ͍ϧʔλʔʹ
   0QFO8SU
   ΛͶ͡ࠐΉࡍͷน
   ʮΧʔωϧංେԽʹΑΓ
   fl BTI
   ͱ
   %3".
   ଍Γͳ͍໰୊ʯ 
10. ղઆ
    
    ߪೖฤ  ͨͱ͑
    4P$
    ͷ໋ྩηοτ΍ϚΠΫϩΞʔΩςΫνϟ͕ରԠՄೳͩͬͨͱͯ͠΋
    0QFO8SU
    ͷಈ࡞ʢϙʔςΟϯάʣʹ͸े෼ͳྔͷ
    %3".
    ͱ
    fl BTI
    ͕ඞཁ 'MBTI
    /"/%
    41*
    F..$
     ΪϦΪϦ
    ಈ͘ϥΠϯ ˠ 
    .# 
    .# 
    .# 
    .# 
    .# ݶքϙʔςΟϯάͷܦݧతʹ͸
    
    ೥ݱࡏ
    %3".
    
    .#
    fl BTI
    
    .#
    ͋Ε͹ΪϦಈ͘ %3".
    4%3
    %%3
    -1%%3
    %%3
     
    .# 
    .# 
    .#
11. ղઆ
    
    ߪೖฤ 835(
    ͷϦϏδϣϯҰཡΛோΊͯ΋
    'MBTI
    
    .#
    
    %3".
    
    .#
    ͷσόΠε͸ͳ͍͕ʜ
    835(4
    ͷॳظϦϏδϣϯʹ͋ͬͨʂ 
12. ղઆ
    
    ߪೖฤ 835(4
    ͸ϦϏδϣϯ͕ਐΉ͝ͱʹεϖοΫ͕࡟ΒΕ
    04
    ͢Βஔ͖׵Θ͕ͬͨ
    ॳظϦϏδϣϯͳΒΪϦߦ͚Δʂʂ IUUQTXJLJEFWJXJDBUSV-JOLTZT@835(4@TFSJFT  835(4
    SFW 'MBTI %3". $16 04 W
    d
    W 
    .# 
    .# #SPBEDPN
    #$. -JOVY W 
    .# 
    .# #SPBEDPN
    #$.& -JOVY W 
    .# 
    .# #SPBEDPN
    #$.& -JOVY W
    d
    W 
    .# 
    .# #SPBEDPN
    #$.& 7Y8PSLT
13. ղઆ
    
    ߪೖฤ ϠϑΦΫͰൃݟ  ը૾͔ΒϦϏδϣϯ
    W
    Ͱ͋Δͱ൑໌ γϦΞϧͷ಄͕
    $(/
    
    W
14. ղઆ
    
    ߪೖฤ ಧ͍ͨ  ฏ੒೥ʢ೥ʣͷߪೖূ໌γʔϧ෇͖
15. ղઆ
    
    ߪೖฤ ຯΘ͍ਂ͍ઃఆը໘  ॳظઃఆͰ͸ແઢͷηΩϡϦςΟ͕ແޮ
16. w 0QFO8SU
    ެࣜͷϏϧυ͸
    
    Λ࠷ޙʹఏڙ͕ऴΘͬ ͍ͯΔ͕ϙʔςΟϯάࣗମ͸ݱࡏ΋
    ESPQ
    ͞Ε͍ͯͳ͍
    w NFOVDPO fi H
    Ͱͭͷ߲໨Λબ୒͢Δ͚ͩͰϏϧυͰ͖Δ
    w 5BSHFU
    TZTUFN
    #SPBEDPN
    #$.YYYY
    .*14
    w 4VCUBSHFU
    -FHBDZ
    #.*14
    w 5BSHFU
    1SP fi MF
    -JOLTZT
    835(4
    WWW ղઆ
    
    ߪೖฤ  4UBCMF
    SFMFBTF
    
    ΛϏϧυ
17. ղઆ
    
    ߪೖฤ Ͱ͖ͨϑΝʔϜ΢ΣΞΛ
    8FC
    6*
    Ͱసૹ  ΞοϓάϨʔυ
    
    ੒ޭ
18. ղઆ
    
    ߪೖฤ ΢Ω΢Ω͠ͳ͕Β
    %)$1
    Ͱ
    
    ͕
    ߱ͬͯ͘ΔͷΛ଴͍͕ͬͯͨʜ 
19. ղઆ
    
    ߪೖฤ ʮ͋Εʁ&UIFSOFU
    ϦϯΫΞοϓ͠ͳ͘Ͷʁʯ
    
20. ղઆ
    
    ߪೖฤ ʮ͋Εʁ&UIFSOFU
    ϦϯΫΞοϓ͠ͳ͘Ͷʁʯ
    γϦΞϧίϯιʔϧͰݟͯΈΔͱʜ 
21. ղઆ
    
    ߪೖฤ ωοτϫʔΫσόΠε͕
    MP
    ͔͠ͳ͍ 
22. ୈষ
    ஍ࠈͷ
    HJU
    CJTFDU
    
    Χʔωϧύονฤ
23. w 
    Ͱ͸
    FUI
    ͕ग़Δ͕
    
    Ͱ͸ফ͑Δ
    
    w HJU
    CJTFDU
    Ͱೋ෼୳ࡧΛ׶ߦ
    w ΧʔωϧϨϕϧͷमਖ਼ΛޛͬͨͷͰ
    NBTUFS
    Λಈ͔͢ํ޲
    ΁ํ਑స׵ ஍ࠈͷ
    HJU
    CJTFDU
    
    Χʔωϧύονฤ  FUI
    ͕ফ͑ͨՕॴΛ୳ࡧ ۤ͠Έͳ͕ΒݪҼ௥ٴ
24. ஍ࠈͷ
    HJU
    CJTFDU
    
    Χʔωϧύονฤ ೔͔͚͍ͯͭʹ֬ఆ
    
    
    
    -JOVY
    
    ͔Β
    
    ʹ੾ΓସΘͬͨͱ͜ΖͰյΕͨΒ͍͠ 
25. ஍ࠈͷ
    HJU
    CJTFDU
    
    Χʔωϧύονฤ Ͱ͸࣮ࡍͷͱ͜ΖԿ͕ѱ͍ͷ͔ʁ 
26. ஍ࠈͷ
    HJU
    CJTFDU
    
    Χʔωϧύονฤ  [ 3.820714] adm6996: adm6996_gpio: ADM6996L model PHY found. [ 3.850127] b44 ssb0:1: could not find PHY at 30, use fixed one [ 3.856444] bus_find_device: listing all devices in bus mdio_bus [ 3.862767] bus=mdio_bus name=fixed-0:00 driver=mdio_bus dev=(ptrval) [ 3.870028] Generic PHY fixed-0:00: attached PHY driver (mii_bus:phy_ .. . [ 3.879142] b44 ssb0:1 eth0: Broadcom 44xx/47xx 10/100 PCI ethernet . .. [ 3.729778] adm6996: adm6996_gpio: ADM6996L model PHY found. [ 3.763375] b44 ssb0:1: could not find PHY at 30, use fixed one [ 3.769702] bus_find_device: listing all devices in bus mdio_bus [ 3.775831] libphy: PHY fixed-0:00 not found [ 3.780449] b44 ssb0:1: could not attach PHY at 0 [ 3.790291] b44 ssb0:1: Cannot register PHY, aborting -JOVY
    
    0, -JOVY
    
    /( ENFTH
    Λݟൺ΂Δͱɺ
    ͷํ͸
    &UIFSOFU
    1):
    ͷॳظԽʹࣦഊͯͦ͠͏
27. w υϥΠόͷ
    "1*
    ͷมԽ΁௥ैͰ͖͍ͯͳ͍
    w Ϙʔυ্ͷ
    &UIFSOFU
    1):
    ͷ݁ઢΛදݱ͢ΔͨΊͷυ ϥΠό
    'JYFE
    .%*0
    CVT
    ʹ
    &UIFSOFU
    1):
    Λొ࿥͢ Δࡍͷ
    "1*
    ͕ݹ͗ͨ͢ͷͰ৽͍͠΋ͷ΁มߋ
    w ॳظԽॲཧͷॱং͕͓͔͍͠
    w 1MBUGPSN
    %FWJDF
    ͱ
    &130#&@%&'&3
    Λ࢖͍ɺॱং ͷҟৗΛݕ஌ͨ͠Β֤ʑ͕ॳظԽΛॱԆ͢ΔΑ͏มߋ
    w 'JYFE
    .%*0
    CVT
    υϥΠό
    ˠ
    4P$
    ݻ༗ॳظԽίʔ υ
    ˠ
    4P$
    ͷ
    .%*0
    όεͷ
    QSPCF
    ؔ਺
    
    ͷॱ͕ਖ਼ղ ஍ࠈͷ
    HJU
    CJTFDU
    
    Χʔωϧύονฤ  ਺೔༹͔͠ͳ͕Βछͷ໰୊Λಛఆ͠मਖ਼ 0QFO8SU
    ʹఏग़ͨ͠
    13
    ϨϏϡʔ͸௨͕ͬͨ·ͩ
    NFSHF
    ͞Ε͍ͯͳ͍
28. ஍ࠈͷ
    HJU
    CJTFDU
    
    Χʔωϧύονฤ ॳظԽ͕௨ͬͨʂ  &UIFSOFU
    ͔Β
    44)
    Ͱ͖ͨʂ [ 0.623801] bcm47xx-fixed-phy bcm47xx-fixed-phy: fixed MDIO bus is not ready, deferring ... [ 1.910067] b44 ssb0:1: fixed phy is not ready, deferring ... [ 2.091570] bcm47xx-fixed-phy bcm47xx-fixed-phy: probed fixed PHY [ 2.121193] adm6996: adm6996_gpio: ADM6996L model PHY found. [ 2.155104] b44 ssb0:1: could not find PHY at 30, use fixed one [ 2.162116] Generic PHY fixed-0:00: attached PHY driver (mii_bus:phy_addr=fixed-0:00, ... [ 2.171237] b44 ssb0:1 eth0: Broadcom 44xx/47xx 10/100 PCI ethernet driver 00:0f:66: . .. ... [ 15.087242] b44 ssb0:1 eth0: Link is up at 100 Mbps, half duplex
29. ஍ࠈͷ
    HJU
    CJTFDU
    
    Χʔωϧύονฤ ྩ࿨࠷৽൛
    0QFO8SU
    ͕
    
    ೥લͷϧʔλʔͰಈ͖·ͨ͠
    
    ΊͰͨ͠ΊͰͨ͠ 
30. ୈষ
    ޫΫϩεͰωοτʹग़ͯΈΑ͏ฤ
31. ޫΫϩεͰωοτʹग़ͯΈΑ͏ฤ 8FC
    6*
    ͷ
    -V$*
    ΋ಈ͘ʢ3".
    ࢒ྔ
    
    .#ʣ  ϧʔλʔͳΜͩ͠
    ޫΫϩεճઢͰ
    ."1&
    ͱ͔ͯ͠Έͨ͘ͳ͍ʁ ˞
    :".")"
    359
    Ͱωοτʹग़ͨͱ͖ͷεϐʔυ
32. ޫΫϩεͰωοτʹग़ͯΈΑ͏ฤ ."1&
    ΋೉ͳ͘੒ޭ
    
    
    
    
    ७ਖ਼ϑΝʔϜͰ͸
    *1W
    ͢Β஌Βͳ͔ͬͨϧʔλʔͳͷʹʜ 
33. ޫΫϩεͰωοτʹग़ͯΈΑ͏ฤ ؾʹͳΔ௨৴εϐʔυ͸ʂʁ 
34. ޫΫϩεͰωοτʹग़ͯΈΑ͏ฤ