[Resolved]IDE Cdrom 引起的奇怪问题

deepwhite

前两天新攒了台机器， 装上了 gentoo ，然后发现一个奇怪的问题：
主板的 BIOS 上连了一个 IDE 的光驱， 然后如果在 bios 中禁用 IDE Controller ， 那么启动很顺利；而如果 Enable 了 IDE Controller ， 那么有时候系统能够顺利启动，启动后光驱很正常（读写都没有问题）；而有时候则不能启动，卡在 udev 那里“Waiting for uevents to be processed” 。

下面是机器的配置：

1. 
   
2. 西部数据（Western Digital）500G WD5000AADS 7200转32M SATAII
   
3. 金士顿（Kingston）DDR3 1333 2G 台式机内存
   
4. 先锋（Pioneer）DVR-118CHV 22X 并口DVD刻录机
   
5. 华硕（ASUS) M4A88TD-M 主板（AMD 880G/Socket AM3）
   
6. AMD Phenom II ×2（羿龙II双核）555盒装CPU（Socket AM3/3.2GHz/1M二级缓存/6M三级缓存/45纳米）
   

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下面是禁用 IDE Controller 后的 lspci 结果：

1. 
   
2. lspci -v
   
3. 00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge Alternate
   
4.    Subsystem: ASUSTeK Computer Inc. Device 843e
   
5.    Flags: bus master, 66MHz, medium devsel, latency 0
   
6.    Capabilities: [c4] HyperTransport: Slave or Primary Interface
   
7.    Capabilities: [54] HyperTransport: UnitID Clumping
   
8.    Capabilities: [40] HyperTransport: Retry Mode
   
9.    Capabilities: [9c] HyperTransport: #1a
   
10.    Capabilities: [f8] HyperTransport: #1c
    
11. 
    
12. 00:01.0 PCI bridge: ASUSTeK Computer Inc. Device 9602 (prog-if 00 [Normal decode])
    
13.    Flags: bus master, 66MHz, medium devsel, latency 64
    
14.    Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
    
15.    I/O behind bridge: 0000d000-0000dfff
    
16.    Memory behind bridge: fe900000-feafffff
    
17.    Prefetchable memory behind bridge: 00000000d0000000-00000000dfffffff
    
18.    Capabilities: [44] HyperTransport: MSI Mapping Enable+ Fixed+
    
19.    Capabilities: [b0] Subsystem: ASUSTeK Computer Inc. Device 843e
    
20.    Kernel modules: shpchp
    
21. 
    
22. 00:0a.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 5) (prog-if 00 [Normal decode])
    
23.    Flags: bus master, fast devsel, latency 0
    
24.    Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
    
25.    I/O behind bridge: 0000e000-0000efff
    
26.    Memory behind bridge: feb00000-febfffff
    
27.    Prefetchable memory behind bridge: 00000000fdf00000-00000000fdffffff
    
28.    Capabilities: [50] Power Management version 3
    
29.    Capabilities: [58] Express Root Port (Slot+), MSI 00
    
30.    Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit-
    
31.    Capabilities: [b0] Subsystem: ASUSTeK Computer Inc. Device 843e
    
32.    Capabilities: [b8] HyperTransport: MSI Mapping Enable+ Fixed+
    
33.    Capabilities: [100] Vendor Specific Information <?>
    
34.    Capabilities: [110] Virtual Channel <?>
    
35.    Kernel driver in use: pcieport
    
36.    Kernel modules: shpchp
    
37. 
    
38. 00:11.0 SATA controller: ATI Technologies Inc SB700/SB800 SATA Controller [IDE mode] (rev 40) (prog-if 01 [AHCI 1.0])
    
39.    Subsystem: ASUSTeK Computer Inc. Device 8443
    
40.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 41
    
41.    I/O ports at c000 [size=8]
    
42.    I/O ports at b000 [size=4]
    
43.    I/O ports at a000 [size=8]
    
44.    I/O ports at 9000 [size=4]
    
45.    I/O ports at 8000 [size=16]
    
46.    Memory at fe8ffc00 (32-bit, non-prefetchable) [size=1K]
    
47.    Capabilities: [50] MSI: Enable+ Count=1/4 Maskable- 64bit+
    
48.    Capabilities: [70] SATA HBA <?>
    
49.    Capabilities: [a4] PCI Advanced Features
    
50.    Kernel driver in use: ahci
    
51. 
    
52. 00:12.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller (prog-if 10 [OHCI])
    
53.    Subsystem: ASUSTeK Computer Inc. Device 8443
    
54.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
    
55.    Memory at fe8fe000 (32-bit, non-prefetchable) [size=4K]
    
56.    Kernel driver in use: ohci_hcd
    
57. 
    
58. 00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller (prog-if 20 [EHCI])
    
59.    Subsystem: ASUSTeK Computer Inc. Device 8443
    
60.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
    
61.    Memory at fe8ff800 (32-bit, non-prefetchable) [size=256]
    
62.    Capabilities: [c0] Power Management version 2
    
63.    Capabilities: [e4] Debug port: BAR=1 offset=00e0
    
64.    Kernel driver in use: ehci_hcd
    
65. 
    
66. 00:13.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller (prog-if 10 [OHCI])
    
67.    Subsystem: ASUSTeK Computer Inc. Device 8443
    
68.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
    
69.    Memory at fe8fd000 (32-bit, non-prefetchable) [size=4K]
    
70.    Kernel driver in use: ohci_hcd
    
71. 
    
72. 00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller (prog-if 20 [EHCI])
    
73.    Subsystem: ASUSTeK Computer Inc. Device 8443
    
74.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
    
75.    Memory at fe8ff400 (32-bit, non-prefetchable) [size=256]
    
76.    Capabilities: [c0] Power Management version 2
    
77.    Capabilities: [e4] Debug port: BAR=1 offset=00e0
    
78.    Kernel driver in use: ehci_hcd
    
79. 
    
80. 00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 41)
    
81.    Flags: 66MHz, medium devsel
    
82.    Kernel modules: i2c-piix4
    
83. 
    
84. 00:14.1 IDE interface: ATI Technologies Inc SB700/SB800 IDE Controller (rev 40) (prog-if 8a [Master SecP PriP])
    
85.    Subsystem: ASUSTeK Computer Inc. Device 8443
    
86.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
    
87.    I/O ports at 01f0 [size=8]
    
88.    I/O ports at 03f4 [size=1]
    
89.    I/O ports at 0170 [size=8]
    
90.    I/O ports at 0374 [size=1]
    
91.    I/O ports at ff00 [size=16]
    
92.    Capabilities: [70] MSI: Enable- Count=1/1 Maskable- 64bit-
    
93.    Kernel driver in use: pata_atiixp
    
94.    Kernel modules: ata_generic, pata_acpi, pata_atiixp
    
95. 
    
96. 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40)
    
97.    Subsystem: ASUSTeK Computer Inc. Device 841b
    
98.    Flags: bus master, slow devsel, latency 64, IRQ 16
    
99.    Memory at fe8f8000 (64-bit, non-prefetchable) [size=16K]
    
100.    Capabilities: [50] Power Management version 2
     
101.    Kernel driver in use: HDA Intel
     
102.    Kernel modules: snd-hda-intel
     
103. 
     
104. 00:14.3 ISA bridge: ATI Technologies Inc SB700/SB800 LPC host controller (rev 40)
     
105.    Subsystem: ASUSTeK Computer Inc. Device 8443
     
106.    Flags: bus master, 66MHz, medium devsel, latency 0
     
107. 
     
108. 00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge (rev 40) (prog-if 01 [Subtractive decode])
     
109.    Flags: bus master, 66MHz, medium devsel, latency 64
     
110.    Bus: primary=00, secondary=03, subordinate=03, sec-latency=64
     
111. 
     
112. 00:14.5 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI2 Controller (prog-if 10 [OHCI])
     
113.    Subsystem: ASUSTeK Computer Inc. Device 8443
     
114.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
     
115.    Memory at fe8fc000 (32-bit, non-prefetchable) [size=4K]
     
116.    Kernel driver in use: ohci_hcd
     
117. 
     
118. 00:16.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller (prog-if 10 [OHCI])
     
119.    Subsystem: ASUSTeK Computer Inc. Device 8443
     
120.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 18
     
121.    Memory at fe8f7000 (32-bit, non-prefetchable) [size=4K]
     
122.    Kernel driver in use: ohci_hcd
     
123. 
     
124. 00:16.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller (prog-if 20 [EHCI])
     
125.    Subsystem: ASUSTeK Computer Inc. Device 8443
     
126.    Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
     
127.    Memory at fe8ff000 (32-bit, non-prefetchable) [size=256]
     
128.    Capabilities: [c0] Power Management version 2
     
129.    Capabilities: [e4] Debug port: BAR=1 offset=00e0
     
130.    Kernel driver in use: ehci_hcd
     
131. 
     
132. 00:18.0 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] HyperTransport Configuration
     
133.    Flags: fast devsel
     
134.    Capabilities: [80] HyperTransport: Host or Secondary Interface
     
135. 
     
136. 00:18.1 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Address Map
     
137.    Flags: fast devsel
     
138. 
     
139. 00:18.2 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] DRAM Controller
     
140.    Flags: fast devsel
     
141. 
     
142. 00:18.3 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Miscellaneous Control
     
143.    Flags: fast devsel
     
144.    Capabilities: [f0] Secure device <?>
     
145.    Kernel driver in use: k10temp
     
146. 
     
147. 00:18.4 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Link Control
     
148.    Flags: fast devsel
     
149. 
     
150. 01:05.0 VGA compatible controller: ATI Technologies Inc Device 9715 (prog-if 00 [VGA controller])
     
151.    Subsystem: ASUSTeK Computer Inc. Device 843e
     
152.    Flags: bus master, fast devsel, latency 0, IRQ 18
     
153.    Memory at d0000000 (32-bit, prefetchable) [size=256M]
     
154.    I/O ports at d000 [size=256]
     
155.    Memory at feaf0000 (32-bit, non-prefetchable) [size=64K]
     
156.    Memory at fe900000 (32-bit, non-prefetchable) [size=1M]
     
157.    Expansion ROM at <unassigned> [disabled]
     
158.    Capabilities: [50] Power Management version 3
     
159.    Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
     
160. 
     
161. 01:05.1 Audio device: ATI Technologies Inc Device 970f
     
162.    Subsystem: ASUSTeK Computer Inc. Device 843e
     
163.    Flags: bus master, fast devsel, latency 0, IRQ 19
     
164.    Memory at feae8000 (32-bit, non-prefetchable) [size=16K]
     
165.    Capabilities: [50] Power Management version 3
     
166.    Capabilities: [a0] MSI: Enable- Count=1/1 Maskable- 64bit+
     
167.    Kernel driver in use: HDA Intel
     
168.    Kernel modules: snd-hda-intel
     
169. 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)
     
170.    Subsystem: ASUSTeK Computer Inc. Device 8432
     
171.    Flags: bus master, fast devsel, latency 0, IRQ 42
     
172.    I/O ports at e800 [size=256]
     
173.    Memory at fdfff000 (64-bit, prefetchable) [size=4K]
     
174.    Memory at fdff8000 (64-bit, prefetchable) [size=16K]
     
175.    Expansion ROM at febe0000 [disabled] [size=128K]
     
176.    Capabilities: [40] Power Management version 3
     
177.    Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
     
178.    Capabilities: [70] Express Endpoint, MSI 01
     
179.    Capabilities: [b0] MSI-X: Enable- Count=4 Masked-
     
180.    Capabilities: [d0] Vital Product Data
     
181.    Capabilities: [100] Advanced Error Reporting
     
182.    Capabilities: [140] Virtual Channel <?>
     
183.    Capabilities: [160] Device Serial Number 01-00-00-00-68-4c-e0-00
     
184.    Kernel driver in use: r8169
     
185.    Kernel modules: r8169
     
186. 
     

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  从这里看不到 IDE Cdrom， 但是如果 Bios 中启用了 IDE Controller， 并且系统侥幸启动成功，则可以看到相关信息：

1. 
   
2. 
   
3. 02:00.0 IDE interface: VIA Technologies, Inc. PATA IDE Host Controller (prog-if 85 [Master SecO PriO])
   
4.    Subsystem: ASUSTeK Computer Inc. Device 838f
   
5.    Flags: fast devsel, IRQ 17
   
6.    I/O ports at dc00 [size=8]
   
7.    I/O ports at d880 [size=4]
   
8.    I/O ports at d800 [size=8]
   
9.    I/O ports at d480 [size=4]
   
10.    I/O ports at d400 [size=16]
    
11.    Expansion ROM at feaf0000 [disabled] [size=64K]
    
12.    Capabilities: [50] Power Management version 3
    
13.    Capabilities: [70] MSI: Enable- Count=1/1 Maskable+ 64bit+
    
14.    Capabilities: [90] Express Legacy Endpoint, MSI 00
    
15.    Capabilities: [100] Advanced Error Reporting
    
16.    Capabilities: [130] Device Serial Number 00-40-63-ff-ff-63-40-00
    
17.    Kernel modules: ata_generic, pata_acpi
    
18.   

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  内核配置文件：

1. 
   
2.   ...
   
3. 
   
4. #
   
5. # Please see Documentation/ide/ide.txt for help/info on IDE drives
   
6. #
   
7. CONFIG_IDE_XFER_MODE=y
   
8. CONFIG_IDE_TIMINGS=y
   
9. CONFIG_IDE_ATAPI=y
   
10. # CONFIG_BLK_DEV_IDE_SATA is not set
    
11. CONFIG_IDE_GD=y
    
12. CONFIG_IDE_GD_ATA=y
    
13. # CONFIG_IDE_GD_ATAPI is not set
    
14. CONFIG_BLK_DEV_IDECS=m
    
15. CONFIG_BLK_DEV_DELKIN=m
    
16. CONFIG_BLK_DEV_IDECD=y
    
17. CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
    
18. # CONFIG_BLK_DEV_IDETAPE is not set
    
19. CONFIG_BLK_DEV_IDEACPI=y
    
20. # CONFIG_IDE_TASK_IOCTL is not set
    
21. CONFIG_IDE_PROC_FS=y
    
22. 
    
23. #
    
24. # IDE chipset support/bugfixes
    
25. #
    
26. CONFIG_IDE_GENERIC=y
    
27. CONFIG_BLK_DEV_PLATFORM=m
    
28. CONFIG_BLK_DEV_CMD640=y
    
29. CONFIG_BLK_DEV_CMD640_ENHANCED=y
    
30. CONFIG_BLK_DEV_IDEPNP=y
    
31. CONFIG_BLK_DEV_IDEDMA_SFF=y
    
32. 
    
33. #
    
34. # PCI IDE chipsets support
    
35. #
    
36. CONFIG_BLK_DEV_IDEPCI=y
    
37. CONFIG_IDEPCI_PCIBUS_ORDER=y
    
38. # CONFIG_BLK_DEV_OFFBOARD is not set
    
39. CONFIG_BLK_DEV_GENERIC=y
    
40. # CONFIG_BLK_DEV_OPTI621 is not set
    
41. # CONFIG_BLK_DEV_RZ1000 is not set
    
42. CONFIG_BLK_DEV_IDEDMA_PCI=y
    
43. # CONFIG_BLK_DEV_AEC62XX is not set
    
44. # CONFIG_BLK_DEV_ALI15X3 is not set
    
45. CONFIG_BLK_DEV_AMD74XX=m
    
46. CONFIG_BLK_DEV_ATIIXP=m
    
47. # CONFIG_BLK_DEV_CMD64X is not set
    
48. # CONFIG_BLK_DEV_TRIFLEX is not set
    
49. # CONFIG_BLK_DEV_CS5520 is not set
    
50. # CONFIG_BLK_DEV_CS5530 is not set
    
51. # CONFIG_BLK_DEV_HPT366 is not set
    
52. # CONFIG_BLK_DEV_JMICRON is not set
    
53. # CONFIG_BLK_DEV_SC1200 is not set
    
54. # CONFIG_BLK_DEV_PIIX is not set
    
55. # CONFIG_BLK_DEV_IT8172 is not set
    
56. # CONFIG_BLK_DEV_IT8213 is not set
    
57. # CONFIG_BLK_DEV_IT821X is not set
    
58. # CONFIG_BLK_DEV_NS87415 is not set
    
59. # CONFIG_BLK_DEV_PDC202XX_OLD is not set
    
60. # CONFIG_BLK_DEV_PDC202XX_NEW is not set
    
61. # CONFIG_BLK_DEV_SVWKS is not set
    
62. # CONFIG_BLK_DEV_SIIMAGE is not set
    
63. # CONFIG_BLK_DEV_SIS5513 is not set
    
64. # CONFIG_BLK_DEV_SLC90E66 is not set
    
65. # CONFIG_BLK_DEV_TRM290 is not set
    
66. CONFIG_BLK_DEV_VIA82CXXX=m
    
67. # CONFIG_BLK_DEV_TC86C001 is not set
    
68. CONFIG_BLK_DEV_IDEDMA=y
    
69. 
    
70. #
    
71. # SCSI device support
    
72. #
    
73. CONFIG_SCSI_MOD=y
    
74. # CONFIG_RAID_ATTRS is not set
    
75. CONFIG_SCSI=y
    
76. CONFIG_SCSI_DMA=y
    
77. CONFIG_SCSI_TGT=m
    
78. CONFIG_SCSI_NETLINK=y
    
79. CONFIG_SCSI_PROC_FS=y
    
80. 
    
81. #
    
82. # SCSI support type (disk, tape, CD-ROM)
    
83. #
    
84. CONFIG_BLK_DEV_SD=y
    
85. CONFIG_CHR_DEV_ST=m
    
86. # CONFIG_CHR_DEV_OSST is not set
    
87. CONFIG_BLK_DEV_SR=y
    
88. CONFIG_BLK_DEV_SR_VENDOR=y
    
89. CONFIG_CHR_DEV_SG=m
    
90. CONFIG_CHR_DEV_SCH=m
    
91. # CONFIG_SCSI_MULTI_LUN is not set
    
92. # CONFIG_SCSI_CONSTANTS is not set
    
93. # CONFIG_SCSI_LOGGING is not set
    
94. CONFIG_SCSI_SCAN_ASYNC=y
    
95. CONFIG_SCSI_WAIT_SCAN=m
    
96. 
    
97. #
    
98. # SCSI Transports
    
99. #
    
100. CONFIG_SCSI_SPI_ATTRS=m
     
101. CONFIG_SCSI_FC_ATTRS=m
     
102. CONFIG_SCSI_FC_TGT_ATTRS=y
     
103. CONFIG_SCSI_ISCSI_ATTRS=m
     
104. CONFIG_SCSI_SAS_ATTRS=m
     
105. CONFIG_SCSI_SAS_LIBSAS=m
     
106. CONFIG_SCSI_SAS_ATA=y
     
107. CONFIG_SCSI_SAS_HOST_SMP=y
     
108. # CONFIG_SCSI_SAS_LIBSAS_DEBUG is not set
     
109. CONFIG_SCSI_SRP_ATTRS=m
     
110. CONFIG_SCSI_SRP_TGT_ATTRS=y
     
111. CONFIG_SCSI_LOWLEVEL=y
     
112. # CONFIG_ISCSI_TCP is not set
     
113. # CONFIG_SCSI_BNX2_ISCSI is not set
     
114. # CONFIG_BE2ISCSI is not set
     
115. CONFIG_BLK_DEV_3W_XXXX_RAID=m
     
116. # CONFIG_SCSI_HPSA is not set
     
117. CONFIG_SCSI_3W_9XXX=m
     
118. # CONFIG_SCSI_3W_SAS is not set
     
119. CONFIG_SCSI_ACARD=m
     
120. CONFIG_SCSI_AACRAID=m
     
121. CONFIG_SCSI_AIC7XXX=m
     
122. CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
     
123. CONFIG_AIC7XXX_RESET_DELAY_MS=5000
     
124. # CONFIG_AIC7XXX_DEBUG_ENABLE is not set
     
125. CONFIG_AIC7XXX_DEBUG_MASK=0
     
126. CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
     
127. # CONFIG_SCSI_AIC7XXX_OLD is not set
     
128. CONFIG_SCSI_AIC79XX=m
     
129. CONFIG_AIC79XX_CMDS_PER_DEVICE=32
     
130. CONFIG_AIC79XX_RESET_DELAY_MS=5000
     
131. # CONFIG_AIC79XX_DEBUG_ENABLE is not set
     
132. CONFIG_AIC79XX_DEBUG_MASK=0
     
133. # CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
     
134. CONFIG_SCSI_AIC94XX=m
     
135. # CONFIG_AIC94XX_DEBUG is not set
     
136. # CONFIG_SCSI_MVSAS is not set
     
137. # CONFIG_SCSI_DPT_I2O is not set
     
138. CONFIG_SCSI_ADVANSYS=m
     
139. CONFIG_SCSI_ARCMSR=m
     
140. # CONFIG_SCSI_ARCMSR_AER is not set
     
141. CONFIG_MEGARAID_NEWGEN=y
     
142. CONFIG_MEGARAID_MM=m
     
143. CONFIG_MEGARAID_MAILBOX=m
     
144. CONFIG_MEGARAID_LEGACY=m
     
145. CONFIG_MEGARAID_SAS=m
     
146. # CONFIG_SCSI_MPT2SAS is not set
     
147. CONFIG_SCSI_HPTIOP=m
     
148. CONFIG_SCSI_BUSLOGIC=m
     
149. # CONFIG_VMWARE_PVSCSI is not set
     
150. # CONFIG_LIBFC is not set
     
151. # CONFIG_LIBFCOE is not set
     
152. # CONFIG_FCOE is not set
     
153. # CONFIG_FCOE_FNIC is not set
     
154. CONFIG_SCSI_DMX3191D=m
     
155. CONFIG_SCSI_EATA=m
     
156. CONFIG_SCSI_EATA_TAGGED_QUEUE=y
     
157. CONFIG_SCSI_EATA_LINKED_COMMANDS=y
     
158. CONFIG_SCSI_EATA_MAX_TAGS=16
     
159. CONFIG_SCSI_FUTURE_DOMAIN=m
     
160. CONFIG_SCSI_GDTH=m
     
161. CONFIG_SCSI_IPS=m
     
162. CONFIG_SCSI_INITIO=m
     
163. CONFIG_SCSI_INIA100=m
     
164. CONFIG_SCSI_PPA=m
     
165. CONFIG_SCSI_IMM=m
     
166. # CONFIG_SCSI_IZIP_EPP16 is not set
     
167. # CONFIG_SCSI_IZIP_SLOW_CTR is not set
     
168. CONFIG_SCSI_STEX=m
     
169. CONFIG_SCSI_SYM53C8XX_2=m
     
170. CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
     
171. CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
     
172. CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
     
173. CONFIG_SCSI_SYM53C8XX_MMIO=y
     
174. # CONFIG_SCSI_IPR is not set
     
175. CONFIG_SCSI_QLOGIC_1280=m
     
176. CONFIG_SCSI_QLA_FC=m
     
177. CONFIG_SCSI_QLA_ISCSI=m
     
178. CONFIG_SCSI_LPFC=m
     
179. CONFIG_SCSI_DC395x=m
     
180. CONFIG_SCSI_DC390T=m
     
181. # CONFIG_SCSI_DEBUG is not set
     
182. # CONFIG_SCSI_PMCRAID is not set
     
183. # CONFIG_SCSI_PM8001 is not set
     
184. CONFIG_SCSI_SRP=m
     
185. # CONFIG_SCSI_BFA_FC is not set
     
186. CONFIG_SCSI_LOWLEVEL_PCMCIA=y
     
187. # CONFIG_PCMCIA_FDOMAIN is not set
     
188. # CONFIG_PCMCIA_QLOGIC is not set
     
189. # CONFIG_PCMCIA_SYM53C500 is not set
     
190. # CONFIG_SCSI_DH is not set
     
191. # CONFIG_SCSI_OSD_INITIATOR is not set
     
192. CONFIG_ATA=y
     
193. # CONFIG_ATA_NONSTANDARD is not set
     
194. CONFIG_ATA_VERBOSE_ERROR=y
     
195. CONFIG_ATA_ACPI=y
     
196. CONFIG_SATA_PMP=y
     
197. 
     
198. #
     
199. # Controllers with non-SFF native interface
     
200. #
     
201. CONFIG_SATA_AHCI=m
     
202. # CONFIG_SATA_AHCI_PLATFORM is not set
     
203. CONFIG_SATA_INIC162X=m
     
204. CONFIG_SATA_SIL24=m
     
205. CONFIG_ATA_SFF=y
     
206. 
     
207. #
     
208. # SFF controllers with custom DMA interface
     
209. #
     
210. CONFIG_PDC_ADMA=m
     
211. CONFIG_SATA_QSTOR=m
     
212. CONFIG_SATA_SX4=m
     
213. CONFIG_ATA_BMDMA=y
     
214. 
     
215. #
     
216. # SATA SFF controllers with BMDMA
     
217. #
     
218. CONFIG_ATA_PIIX=m
     
219. # CONFIG_SATA_MV is not set
     
220. # CONFIG_SATA_NV is not set
     
221. # CONFIG_SATA_PROMISE is not set
     
222. # CONFIG_SATA_SIL is not set
     
223. # CONFIG_SATA_SIS is not set
     
224. # CONFIG_SATA_SVW is not set
     
225. # CONFIG_SATA_ULI is not set
     
226. CONFIG_SATA_VIA=m
     
227. # CONFIG_SATA_VITESSE is not set
     
228. 
     
229. #
     
230. # PATA SFF controllers with BMDMA
     
231. #
     
232. # CONFIG_PATA_ALI is not set
     
233. CONFIG_PATA_AMD=m
     
234. # CONFIG_PATA_ARTOP is not set
     
235. CONFIG_PATA_ATIIXP=m
     
236. # CONFIG_PATA_ATP867X is not set
     
237. # CONFIG_PATA_CMD64X is not set
     
238. # CONFIG_PATA_CS5520 is not set
     
239. # CONFIG_PATA_CS5530 is not set
     
240. # CONFIG_PATA_CYPRESS is not set
     
241. # CONFIG_PATA_EFAR is not set
     
242. # CONFIG_PATA_HPT366 is not set
     
243. # CONFIG_PATA_HPT37X is not set
     
244. # CONFIG_PATA_HPT3X2N is not set
     
245. # CONFIG_PATA_HPT3X3 is not set
     
246. # CONFIG_PATA_IT8213 is not set
     
247. # CONFIG_PATA_IT821X is not set
     
248. # CONFIG_PATA_JMICRON is not set
     
249. # CONFIG_PATA_MARVELL is not set
     
250. # CONFIG_PATA_NETCELL is not set
     
251. # CONFIG_PATA_NINJA32 is not set
     
252. # CONFIG_PATA_NS87415 is not set
     
253. # CONFIG_PATA_OLDPIIX is not set
     
254. # CONFIG_PATA_OPTIDMA is not set
     
255. # CONFIG_PATA_PDC2027X is not set
     
256. # CONFIG_PATA_PDC_OLD is not set
     
257. # CONFIG_PATA_RADISYS is not set
     
258. # CONFIG_PATA_RDC is not set
     
259. # CONFIG_PATA_SC1200 is not set
     
260. # CONFIG_PATA_SCH is not set
     
261. # CONFIG_PATA_SERVERWORKS is not set
     
262. # CONFIG_PATA_SIL680 is not set
     
263. CONFIG_PATA_SIS=m
     
264. # CONFIG_PATA_TOSHIBA is not set
     
265. CONFIG_PATA_TRIFLEX=m
     
266. CONFIG_PATA_VIA=m
     
267. # CONFIG_PATA_WINBOND is not set
     
268. 
     
269. #
     
270. # PIO-only SFF controllers
     
271. #
     
272. # CONFIG_PATA_CMD640_PCI is not set
     
273. CONFIG_PATA_MPIIX=m
     
274. # CONFIG_PATA_NS87410 is not set
     
275. # CONFIG_PATA_OPTI is not set
     
276. # CONFIG_PATA_PCMCIA is not set
     
277. # CONFIG_PATA_RZ1000 is not set
     
278. 
     
279. #
     
280. # Generic fallback / legacy drivers
     
281. #
     
282. CONFIG_PATA_ACPI=m
     
283. # CONFIG_ATA_GENERIC is not set
     
284. # CONFIG_PATA_LEGACY is not set
     
285. # CONFIG_MD is not set
     
286. CONFIG_FUSION=y
     
287. CONFIG_FUSION_SPI=m
     
288. CONFIG_FUSION_FC=m
     
289. CONFIG_FUSION_SAS=m
     
290. CONFIG_FUSION_MAX_SGE=128
     
291. CONFIG_FUSION_CTL=m
     
292. CONFIG_FUSION_LAN=m
     
293. # CONFIG_FUSION_LOGGING is not set
     
294. ...
     
295.   

复制代码

开始时候怀疑是 udev 的问题，然后对 udev  升级或者降级都没有解决问题；内核换了好几个版本也都不行。
现在初步怀疑是 pata_via 这个驱动的问题，或者是启用光驱设备后某些资源分配不当。

请问有什么好的方法来排查一下么？

多谢!

deepwhite

补充一下，如果 Enable OnBoard IDE Controller ， 并侥幸启动成功之后，

VIA IDE Controller 的 Bus ID 变成了 02:00.0,
而原来这个地址上的网卡的 Bus ID 则变成了 03:00.0 。

昨天 forum.gentoo.org 上有人建议重新安装 grub 并删除现存的 /etc/udev/rules.d/ 里面的规则， 照做之后还是没有什么效果。

继续求助， 多谢。

zxuan

请问楼主，明明是ATI的PATA控制器，为啥要用VIA的PATA驱动？

deepwhite

Post by zxuan;2114120
请问楼主，明明是ATI的PATA控制器，为啥要用VIA的PATA驱动？

lspci 的结果中，有两个 IDE 控制器，一个是ATI的，另外一个是 VIA 的，二楼的帖子中有 VIA IDE 控制器的信息。

deepwhite

刚才又仔细看了一下系统启动的过程，开机时候BIOS显示了一个 VIA PCIE2IDE ,估计是这个主板里面使用 VIA 的 PCIE 到 IDE 的转接器，一会从这个方面下手看看有没有解决的可能。

zxuan

Post by deepwhite;2114136
lspci 的结果中，有两个 IDE 控制器，一个是ATI的，另外一个是 VIA 的，二楼的帖子中有 VIA IDE 控制器的信息。

从硬件本身来说我看不出任何VIA的存在，我的建议，完全不要选VIA的pata驱动，把AIT的pata相关驱动选好。

deepwhite

Post by zxuan;2114141
从硬件本身来说我看不出任何VIA的存在，我的建议，完全不要选VIA的pata驱动，把AIT的pata相关驱动选好。

刚刚看了一下，主板上使用了一个  VIA® VT6415 PATA 控制器 。 我一会重编一下，不选 VIA 的 PATA 驱动，再试一次。

但是我记得昨天试过，这样做没效果。

zxuan

Post by deepwhite;2114142
刚刚看了一下，主板上使用了一个  VIA® VT6415 PATA 控制器 。 我一会重编一下，不选 VIA 的 PATA 驱动，再试一次。

但是我记得昨天试过，这样做没效果。

确实我刚才也查了一下，确实有这个芯片，而且恰恰负责ide，很诡异的设计啊。原文如下

“主板上还有一颗VIA的VT6415芯片，它是一颗磁盘控制芯片，为主板上提供了独立的IDE接口。”

如此看来有必要确认一下这个芯片是否在linux下有成熟驱动了。

deepwhite

就是他。我刚才禁用了PATA ， 而在老的 IDE 驱动（ATA/ATAPI/MFM/RLL support (DEPRECATED)  ） 里面打开了 VIA 和 ATI 的 IDE 驱动，然后重启的时候，虽然还是不能用，但是起码起来了，而且打出了一些信息：
Uniform Multi-Platform E-IDE driver
atiixp 0000:00:14.1: IDE controller (0x1002:0x439c rev 0x40)
ATIIXP_IDE 0000:00:14.1: PCI INT B -> GSI 17 (level, low) -> IRQ 17
atiixp 0000:00:14.1: not 100% native mode: will probe irqs later
    ide0: BM-DMA at 0xff00-0xff07
    ide1: BM-DMA at 0xff08-0xff0f
Probing IDE interface ide0...
BUG: unable to handle kernel NULL pointer dereference at 0000000000000048
IP: [<ffffffffa0196712>] via_init_one+0xf0/0x260 [via82cxxx]

可能是驱动有问题了，有空指针。一会加点 debug 信息看看具体位置，呵呵，这回有的玩了……

deepwhite

I just found a patch for lagecy ide driver in this website: http://www.spinics.net/lists/linux-ide/msg38406.html.

   Basically, it was caused by a wrong PCI_DEVICE_ID of vt6415. After fixed this issue, devices connected to vt6415 can
be used normally. And for the newer pata_via module, a person named  Ben Livengood had reported a bug at:
https://bugzilla.kernel.org/show_bug.cgi?id=16414. This may be fixed in the new version of kernel.

FYI.