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Date: Tue, 7 Jul 2009 11:13:01 +0200 (CEST) From: Jiri Kosina <jkosina@...e.cz> To: "Michael S. Zick" <lkml@...ethan.org> Cc: linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org Subject: Re: Null Pointer BUG in uhci_hcd [ adding linux-usb to CC ] On Sun, 5 Jul 2009, Michael S. Zick wrote: > Anyone with suggestions about this one? > > root@...1:~# dmesg > uhci_hcd: USB Universal Host Controller Interface driver > uhci_hcd 0000:00:10.0: PCI INT A -> Link[LNKA] -> GSI 10 (level, low) -> IRQ 10 > uhci_hcd 0000:00:10.0: UHCI Host Controller > uhci_hcd 0000:00:10.0: new USB bus registered, assigned bus number 1 > uhci_hcd 0000:00:10.0: irq 10, io base 0x00004400 > usb usb1: New USB device found, idVendor=1d6b, idProduct=0001 > usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 > usb usb1: Product: UHCI Host Controller > usb usb1: Manufacturer: Linux 2.6.30-ce1200v-09185 uhci_hcd > usb usb1: SerialNumber: 0000:00:10.0 > usb usb1: configuration #1 chosen from 1 choice > hub 1-0:1.0: USB hub found > hub 1-0:1.0: 2 ports detected > uhci_hcd 0000:00:10.1: PCI INT B -> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11 > uhci_hcd 0000:00:10.1: UHCI Host Controller > uhci_hcd 0000:00:10.1: new USB bus registered, assigned bus number 2 > uhci_hcd 0000:00:10.1: HCRESET not completed yet! > uhci_hcd 0000:00:10.1: irq 11, io base 0x00004420 > usb usb2: New USB device found, idVendor=1d6b, idProduct=0001 > usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 > usb usb2: Product: UHCI Host Controller > usb usb2: Manufacturer: Linux 2.6.30-ce1200v-09185 uhci_hcd > usb usb2: SerialNumber: 0000:00:10.1 > usb usb2: configuration #1 chosen from 1 choice > hub 2-0:1.0: USB hub found > hub 2-0:1.0: 0 ports detected > uhci_hcd 0000:00:10.2: PCI INT C -> Link[LNKC] -> GSI 10 (level, low) -> IRQ 10 > uhci_hcd 0000:00:10.2: UHCI Host Controller > uhci_hcd 0000:00:10.2: new USB bus registered, assigned bus number 3 > uhci_hcd 0000:00:10.2: HCRESET not completed yet! > uhci_hcd 0000:00:10.2: irq 10, io base 0x00004440 > usb usb3: New USB device found, idVendor=1d6b, idProduct=0001 > usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 > usb usb3: Product: UHCI Host Controller > usb usb3: Manufacturer: Linux 2.6.30-ce1200v-09185 uhci_hcd > usb usb3: SerialNumber: 0000:00:10.2 > uhci_hcd 0000:00:10.2: host system error, PCI problems? > uhci_hcd 0000:00:10.2: host controller process error, something bad happened! > uhci_hcd 0000:00:10.2: host controller halted, very bad! > uhci_hcd 0000:00:10.2: HCRESET not completed yet! > uhci_hcd 0000:00:10.2: HC died; cleaning up > uhci_hcd 0000:00:10.1: host system error, PCI problems? > uhci_hcd 0000:00:10.1: host controller process error, something bad happened! > uhci_hcd 0000:00:10.1: host controller halted, very bad! > uhci_hcd 0000:00:10.1: HCRESET not completed yet! > uhci_hcd 0000:00:10.1: HC died; cleaning up > usb usb3: configuration #1 chosen from 1 choice > usb usb3: can't set config #1, error -108 > uhci_hcd 0000:00:10.2: HC died; cleaning up > BUG: unable to handle kernel NULL pointer dereference at 00000050 > IP: [<c03ae8b1>] usb_kick_khubd+0x21/0x40 > *pde = 00000000 > Oops: 0000 [#1] PREEMPT DEBUG_PAGEALLOC > last sysfs file: /sys/devices/pci0000:00/0000:00:10.0/usb1/bmAttributes > Modules linked in: uhci_hcd(+) joydev i2c_viapro rtl8187 [last unloaded: ehci_hcd] > > Pid: 3562, comm: modprobe Tainted: G W (2.6.30-ce1200v-09185 #5) Everex gBook Series > EIP: 0060:[<c03ae8b1>] EFLAGS: 00010046 CPU: 0 > EIP is at usb_kick_khubd+0x21/0x40 > EAX: 00000000 EBX: 00000282 ECX: d90db39b EDX: 00000000 > ESI: d9e15000 EDI: 00000000 EBP: d9e15000 ESP: d0749d60 > DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 > Process modprobe (pid: 3562, ti=d0748000 task=d9e1e370 task.ti=d0748000) > Stack: > d90db39b c03b071c c06b0840 dc7e31a2 db473bf0 d90db39b 00000000 00004440 > c03b1515 c06b08ec dc7e31a2 db473bf0 0000000a c0694a4c 00004440 00000000 > 00000080 0000000a c048c054 d0749dbf d63fe800 db473bf0 db49f85c d90db39b > Call Trace: > [<c03b071c>] ? usb_hc_died+0x8c/0xb0 > [<c03b1515>] ? usb_add_hcd+0x595/0x600 > [<c048c054>] ? pcibios_set_master+0x34/0xd0 > [<c03bf485>] ? usb_hcd_pci_probe+0x1c5/0x2d0 > [<c01f728a>] ? sysfs_do_create_link+0xca/0x150 > [<c02a283a>] ? local_pci_probe+0x1a/0x40 > [<c02a39ca>] ? pci_device_probe+0x7a/0xa0 > [<c034653c>] ? driver_probe_device+0x8c/0x170 > [<c02a2aea>] ? pci_match_device+0xca/0x110 > [<c03466ab>] ? __driver_attach+0x8b/0xa0 > [<c0346620>] ? __driver_attach+0x0/0xa0 > [<c0345988>] ? bus_for_each_dev+0x48/0x80 > [<c02a2860>] ? pci_device_shutdown+0x0/0x40 > [<c0346372>] ? driver_attach+0x22/0x40 > [<c0346620>] ? __driver_attach+0x0/0xa0 > [<c034615b>] ? bus_add_driver+0x1db/0x250 > [<c02a2860>] ? pci_device_shutdown+0x0/0x40 > [<c0346b14>] ? driver_register+0x64/0x130 > [<dc7d5000>] ? uhci_hcd_init+0x0/0xe1 [uhci_hcd] > [<c02a3cb2>] ? __pci_register_driver+0x42/0xc0 > [<dc7d5000>] ? uhci_hcd_init+0x0/0xe1 [uhci_hcd] > [<dc7d508f>] ? uhci_hcd_init+0x8f/0xe1 [uhci_hcd] > [<c010112e>] ? do_one_initcall+0x3e/0x1a0 > [<c015ba72>] ? sys_init_module+0xb2/0x1f0 > [<c010313b>] ? sysenter_do_call+0x12/0x26 > Code: 74 26 00 8d bc 27 00 00 00 00 83 ec 04 65 8b 15 14 00 00 00 89 14 24 31 d2 8b 14 24 65 33 15 14 00 00 00 75 12 8b 80 20 01 00 00 <8b> 40 50 8b 40 64 59 e9 a3 d7 ff ff e8 2e ba d7 ff 8d b4 26 00 > EIP: [<c03ae8b1>] usb_kick_khubd+0x21/0x40 SS:ESP 0068:d0749d60 > CR2: 0000000000000050 > ---[ end trace 15ef77c17c582a97 ]--- > note: modprobe[3562] exited with preempt_count 1 > root@...1:~# > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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