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標題: 有沒高手幫忙看看，linux usb 1.1的驅(qū)動crash問題 [打印本頁]
作者: freebarque    時間: 2011-06-20 14:43
標題: 有沒高手幫忙看看，linux usb 1.1的驅(qū)動crash問題
本帖最后由 freebarque 于 2011-06-20 14:45 編輯

tomatousb 的 usb 1.1驅(qū)動有問題， kernel 版本是2.6.22的

大家能幫忙看看是那段有問題， 發(fā)在開發(fā)者論壇上沒人理， 看看是不是自己fix
詳細信息看著這
http://tomatousb.org/forum/t-367314/usb-driver-ohci-crashed
  1. ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
  2. PCI: Setting latency timer of device 0000:00:03.0 to 64
  3. ohci_hcd 0000:00:03.0: OHCI Host Controller
  4. ohci_hcd 0000:00:03.0: new USB bus registered, assigned bus number 1
  5. ohci_hcd 0000:00:03.0: irq 6, io mem 0x18003000
  6. Data bus error, epc == c00b04a0, ra == c00b0460
  7. Cpu 0
  8. $ 0 : 00000000 1000dc00 00000001 cccc0000
  9. $ 4 : b8003000 00000000 00000000 ffff00fe
  10. $ 8 : 00000000 8010dd30 00000000 80298000
  11. $12 : 8145d6e0 2ab4a284 0000004c 36207172
  12. $16 : 00000000 8195b0c0 8010d5f0 8195b000
  13. $20 : cccccccd 801356c0 8002aafc 8023b428
  14. $24 : 00000003 2ab0a770
  15. $28 : 81444000 81445c88 802cc960 c00b0460
  16. Hi : 00000000
  17. Lo : 01c9c380
  18. epc : c00b04a0 ohci_run+0x144/0x514 [ohci_hcd] Tainted: P
  19. ra : c00b0460 ohci_run+0x104/0x514 [ohci_hcd]
  20. Status: 1000dc02 KERNEL EXL
  21. Cause : 0000001c
  22. PrId : 00029008
  23. Modules linked in: ohci_hcd vfat fat ext2 ext3 jbd mbcache usb_storage sd_mod scsi_wait_scan scsi_mod usbcore nf_nat_pptp nf_conntr
  24. ack_pptp nf_nat_proto_gre nf_conntrack_proto_gre nf_nat_ftp nf_conntrack_ftp nf_nat_sip nf_conntrack_sip nf_nat_h323 nf_conntrack_h
  25. 323 nf_nat_rtsp nf_conntrack_rtsp wl(P) igs(P) emf(P) et(P)
  26. Process modprobe (pid: 1226, threadinfo=81444000, task=8195b800)
  27. Stack : 1000dc01 8195b000 00000000 8195b000 810ab000 00000002 00000000 8195b000
  28. 810ab000 00000002 00000080 c00b13d0 00000000 8195b000 8195b04c 8195b000
  29. 00000000 8195b000 c00d0c54 c00d0b08 810a6c00 c00b2f34 810a6cec 00000006
  30. c00e3010 00000000 18003000 00000000 fffffff0 810a6c00 8195b000 c00b30d0
  31. 802a0000 810a6cec 810a6c48 00000019 800510ec c00df93c 18003000 00000006
  32. …
  33. Call Trace:
  34. [<c00b04a0>] ohci_run+0x144/0x514 [ohci_hcd]
  35. [<c00b13d0>] ohci_pci_start+0x24/0x9c [ohci_hcd]
  36. [<c00d0c54>] usb_add_hcd+0x4ec/0x924 [usbcore]
  37. [<c00df93c>] usb_hcd_pci_probe+0x214/0x398 [usbcore]
  38. [<80117db8>] pci_device_probe+0x7c/0xbc
  39. [<8013a418>] driver_probe_device+0xf0/0x31c
  40. [<8013ab2c>] __driver_attach+0x2c4/0x30c
  41. [<801390fc>] bus_for_each_dev+0x58/0xbc
  42. [<80139618>] bus_add_driver+0xb0/0x210
  43. [<80117bec>] __pci_register_driver+0x58/0xc0
  44. [<c00450b8>] ohci_hcd_mod_init+0xb8/0x1c0 [ohci_hcd]
  45. [<8005243c>] sys_init_module+0x1a8/0x16d8
  46. [<80010e50>] stack_done+0x20/0x40

  48. Code: 24020001 ac820008 8e240000 <8c820008> 30420001 1040000d 00000000 0802c130 2410001d
復(fù)制代碼
作者: Godbach    時間: 2011-06-20 16:30
是自己修改的代碼，還是只是運行系統(tǒng)的驅(qū)動出了問題
作者: freebarque    時間: 2011-06-21 13:42
是運行系統(tǒng)出的問題， 不過是mipsel的cpu

代碼可以看這里：

http://lxr.linux.no/linux+v2.6.3 ... ost/ohci-hcd.c#L573



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