From: Martin Mokrejs <mmokrejs@fold.natur.cuni.cz>
To: Martin Mokrejs <mmokrejs@fold.natur.cuni.cz>
Cc: Yinghai Lu <yinghai@kernel.org>,
Sarah Sharp <sarah.a.sharp@linux.intel.com>,
linux-pci@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 3.2.11: PCI Express card cannot be re-detected withing cca 60sec timeframe
Date: Fri, 20 Apr 2012 19:28:53 +0200 [thread overview]
Message-ID: <4F919CD5.7070004@fold.natur.cuni.cz> (raw)
In-Reply-To: <4F919C22.1070608@fold.natur.cuni.cz>
Martin Mokrejs wrote:
>
>
> Yinghai Lu wrote:
>> On Fri, Apr 20, 2012 at 4:23 AM, Martin Mokrejs
>> <mmokrejs@fold.natur.cuni.cz> wrote:
>>> Yinghai Lu wrote:
>>>> On Thu, Apr 19, 2012 at 2:48 PM, Yinghai Lu <yinghai@kernel.org> wrote:
>>>>> On Thu, Apr 19, 2012 at 4:16 PM, Martin Mokrejs
>>>>>> I just tried something similar under linux, with all the patches I accumulated for 3.4-rc3
>>>>>> and posted in my previous emails. It seems linux flips some value so on every second card
>>>>>> removal it really does realize it was just unplugged.
>>>>>
>>>>> that is really looks like silicon problem.
>>>>>
>>>> please check attached patch. Hope link change bit is flip around...
>>>> if there is change, we could add some logic:
>>>> check if the device is there, or will reset link to normal state.
>>>
>>> I don't think it helped but maybe you will see some difference:
>>
>> No, the interrupt still get delayed.
>>
>>>
>>> Complete dmesg is attached. OK, the "60sec" delay is when xhci_hcd gives away its attempts.
>>> I am not knowlegeable of the kernel at all but it is my impression that because of the
>>> card presence detection there is no way to prevent that. But, if I get it right, now when I
>>> pluging the card+USB disk in it into the computer before those "60sec" it gets detected,
>>> so my problem is gone (xhci cancels the timeout because a "new card" was popped in with a "new"
>>> device.
>>>
>>> So, although I am now not sure whether I need your last patch, for the practical purpose that
>>> I want to plugin a new card with a device into my computer, it works now. (added Sarah Sharp
>>> into CC: just to make her aware of this scenario, no problem with xhci_hcd in my eyes)
>>> ;)
>>
>> please try to "safely remove the card" before removing the card physically like:
>>
>> echo 1 > /sys/bus/pci/devices/0000:11:00.0/remove
>>
>> that will stop the drivers and remove pci device in the kernel.
>
> Aha.
>
> Apr 20 19:23:15 vostro kernel: [30595.322210] pciehp 0000:00:1c.7:pcie04: lnk_status = 5011
> Apr 20 19:23:15 vostro kernel: [30595.322215] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7)
> Apr 20 19:23:15 vostro kernel: [30595.329696] xhci_hcd 0000:11:00.0: remove, state 4
> Apr 20 19:23:15 vostro kernel: [30595.329705] usb usb6: USB disconnect, device number 1
> Apr 20 19:23:15 vostro kernel: [30595.329865] xhci_hcd 0000:11:00.0: Host not halted after 16000 microseconds.
> Apr 20 19:23:15 vostro kernel: [30595.329869] xhci_hcd 0000:11:00.0: USB bus 6 deregistered
> Apr 20 19:23:15 vostro kernel: [30595.329875] xhci_hcd 0000:11:00.0: remove, state 4
> Apr 20 19:23:15 vostro kernel: [30595.329879] usb usb5: USB disconnect, device number 1
> Apr 20 19:23:15 vostro kernel: [30595.330071] xhci_hcd 0000:11:00.0: Host not halted after 16000 microseconds.
> Apr 20 19:23:15 vostro kernel: [30595.330170] xhci_hcd 0000:11:00.0: USB bus 5 deregistered
> Apr 20 19:23:15 vostro kernel: [30595.338471] pciehp 0000:00:1c.7:pcie04: lnk_status = 7011
> Apr 20 19:23:15 vostro kernel: [30595.338486] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7)
> Apr 20 19:23:15 vostro kernel: [30595.459499] pci 0000:11:00.0: BAR 0: assigned [mem 0xf6c00000-0xf6c01fff 64bit]
> Apr 20 19:23:15 vostro kernel: [30595.459542] pcieport 0000:00:1c.7: PCI bridge to [bus 11-16]
> Apr 20 19:23:15 vostro kernel: [30595.459545] pcieport 0000:00:1c.7: bridge window [io 0xc000-0xdfff]
> Apr 20 19:23:15 vostro kernel: [30595.459550] pcieport 0000:00:1c.7: bridge window [mem 0xf6c00000-0xf7cfffff]
> Apr 20 19:23:15 vostro kernel: [30595.459554] pcieport 0000:00:1c.7: bridge window [mem 0xf0000000-0xf10fffff 64bit pref]
> Apr 20 19:23:15 vostro kernel: [30595.459688] xhci_hcd 0000:11:00.0: enabling device (0100 -> 0102)
> Apr 20 19:23:15 vostro kernel: [30595.459894] xhci_hcd 0000:11:00.0: xHCI Host Controller
> Apr 20 19:23:15 vostro kernel: [30595.459900] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 5
> Apr 20 19:23:15 vostro kernel: [30595.460199] xhci_hcd 0000:11:00.0: irq 19, io mem 0xf6c00000
> Apr 20 19:23:15 vostro kernel: [30595.460472] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002
> Apr 20 19:23:15 vostro kernel: [30595.460474] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> Apr 20 19:23:15 vostro kernel: [30595.460475] usb usb5: Product: xHCI Host Controller
> Apr 20 19:23:15 vostro kernel: [30595.460476] usb usb5: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd
> Apr 20 19:23:15 vostro kernel: [30595.460477] usb usb5: SerialNumber: 0000:11:00.0
> Apr 20 19:23:15 vostro kernel: [30595.460600] hub 5-0:1.0: USB hub found
> Apr 20 19:23:15 vostro kernel: [30595.460611] hub 5-0:1.0: 2 ports detected
> Apr 20 19:23:15 vostro kernel: [30595.460706] xhci_hcd 0000:11:00.0: xHCI Host Controller
> Apr 20 19:23:15 vostro kernel: [30595.460711] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 6
> Apr 20 19:23:15 vostro kernel: [30595.463431] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003
> Apr 20 19:23:15 vostro kernel: [30595.463433] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> Apr 20 19:23:15 vostro kernel: [30595.463434] usb usb6: Product: xHCI Host Controller
> Apr 20 19:23:15 vostro kernel: [30595.463435] usb usb6: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd
> Apr 20 19:23:15 vostro kernel: [30595.463437] usb usb6: SerialNumber: 0000:11:00.0
> Apr 20 19:23:15 vostro kernel: [30595.463534] hub 6-0:1.0: USB hub found
> Apr 20 19:23:15 vostro kernel: [30595.463547] hub 6-0:1.0: 2 ports detected
>
> echo 1 > /sys/bus/pci/devices/0000:11:00.0/remove
>
> Apr 20 19:23:27 vostro kernel: [30607.046714] xhci_hcd 0000:11:00.0: remove, state 4
> Apr 20 19:23:27 vostro kernel: [30607.046719] usb usb6: USB disconnect, device number 1
> Apr 20 19:23:27 vostro kernel: [30607.065341] xhci_hcd 0000:11:00.0: USB bus 6 deregistered
> Apr 20 19:23:27 vostro kernel: [30607.065350] xhci_hcd 0000:11:00.0: remove, state 4
> Apr 20 19:23:27 vostro kernel: [30607.065353] usb usb5: USB disconnect, device number 1
> Apr 20 19:23:27 vostro kernel: [30607.065692] xhci_hcd 0000:11:00.0: USB bus 5 deregistered
>
> removing the card
>
> Apr 20 19:23:36 vostro kernel: [30616.630816] pciehp 0000:00:1c.7:pcie04: lnk_status = 5011
> Apr 20 19:23:36 vostro kernel: [30616.630820] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7)
>
>
Sorry, I forgot to add parts of the dmesg for the above:
[30595.322205] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108
[30595.322207] pciehp 0000:00:1c.7:pcie04: LinkState change
[30595.322210] pciehp 0000:00:1c.7:pcie04: lnk_status = 5011
[30595.322212] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change
[30595.322215] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7)
[30595.322253] pciehp 0000:00:1c.7:pcie04: Surprise Removal
[30595.322283] pciehp 0000:00:1c.7:pcie04: Disabling domain:bus:device=0000:11:00
[30595.322286] pciehp 0000:00:1c.7:pcie04: pciehp_unconfigure_device: domain:bus:dev = 0000:11:00
[30595.329696] xhci_hcd 0000:11:00.0: remove, state 4
[30595.329705] usb usb6: USB disconnect, device number 1
[30595.329782] xHCI xhci_drop_endpoint called for root hub
[30595.329784] xHCI xhci_check_bandwidth called for root hub
[30595.329865] xhci_hcd 0000:11:00.0: Host not halted after 16000 microseconds.
[30595.329869] xhci_hcd 0000:11:00.0: USB bus 6 deregistered
[30595.329875] xhci_hcd 0000:11:00.0: remove, state 4
[30595.329879] usb usb5: USB disconnect, device number 1
[30595.329921] xHCI xhci_drop_endpoint called for root hub
[30595.329922] xHCI xhci_check_bandwidth called for root hub
[30595.330071] xhci_hcd 0000:11:00.0: Host not halted after 16000 microseconds.
[30595.330170] xhci_hcd 0000:11:00.0: USB bus 5 deregistered
[30595.330227] pci 0000:11:00.0: freeing pci_dev info
[30595.338466] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108
[30595.338468] pciehp 0000:00:1c.7:pcie04: LinkState change
[30595.338471] pciehp 0000:00:1c.7:pcie04: lnk_status = 7011
[30595.338483] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change
[30595.338486] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7)
[30595.338491] pciehp 0000:00:1c.7:pcie04: Surprise Removal
[30595.338525] pciehp 0000:00:1c.7:pcie04: check_link_active: lnk_status = 7011
[30595.439441] pciehp 0000:00:1c.7:pcie04: pciehp_check_link_status: lnk_status = 7011
[30595.439543] pci 0000:11:00.0: [1033:0194] type 00 class 0x0c0330
[30595.439597] pci 0000:11:00.0: reg 10: [mem 0x00000000-0x00001fff 64bit]
[30595.439840] pci 0000:11:00.0: PME# supported from D0 D3hot
[30595.459499] pci 0000:11:00.0: BAR 0: assigned [mem 0xf6c00000-0xf6c01fff 64bit]
[30595.459542] pcieport 0000:00:1c.7: PCI bridge to [bus 11-16]
[30595.459545] pcieport 0000:00:1c.7: bridge window [io 0xc000-0xdfff]
[30595.459550] pcieport 0000:00:1c.7: bridge window [mem 0xf6c00000-0xf7cfffff]
[30595.459554] pcieport 0000:00:1c.7: bridge window [mem 0xf0000000-0xf10fffff 64bit pref]
[30595.459688] xhci_hcd 0000:11:00.0: enabling device (0100 -> 0102)
[30595.459894] xhci_hcd 0000:11:00.0: xHCI Host Controller
[30595.459900] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 5
[30595.460199] xhci_hcd 0000:11:00.0: irq 19, io mem 0xf6c00000
[30595.460306] xhci_hcd 0000:11:00.0: irq 54 for MSI/MSI-X
[30595.460310] xhci_hcd 0000:11:00.0: irq 55 for MSI/MSI-X
[30595.460314] xhci_hcd 0000:11:00.0: irq 56 for MSI/MSI-X
[30595.460318] xhci_hcd 0000:11:00.0: irq 57 for MSI/MSI-X
[30595.460321] xhci_hcd 0000:11:00.0: irq 58 for MSI/MSI-X
[30595.460472] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002
[30595.460474] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[30595.460475] usb usb5: Product: xHCI Host Controller
[30595.460476] usb usb5: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd
[30595.460477] usb usb5: SerialNumber: 0000:11:00.0
[30595.460569] xHCI xhci_add_endpoint called for root hub
[30595.460579] xHCI xhci_check_bandwidth called for root hub
[30595.460600] hub 5-0:1.0: USB hub found
[30595.460611] hub 5-0:1.0: 2 ports detected
[30595.460706] xhci_hcd 0000:11:00.0: xHCI Host Controller
[30595.460711] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 6
[30595.463431] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003
[30595.463433] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[30595.463434] usb usb6: Product: xHCI Host Controller
[30595.463435] usb usb6: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd
[30595.463437] usb usb6: SerialNumber: 0000:11:00.0
[30595.463506] xHCI xhci_add_endpoint called for root hub
[30595.463507] xHCI xhci_check_bandwidth called for root hub
[30595.463534] hub 6-0:1.0: USB hub found
[30595.463547] hub 6-0:1.0: 2 ports detected
[30607.046714] xhci_hcd 0000:11:00.0: remove, state 4
[30607.046719] usb usb6: USB disconnect, device number 1
[30607.046764] xHCI xhci_drop_endpoint called for root hub
[30607.046766] xHCI xhci_check_bandwidth called for root hub
[30607.065341] xhci_hcd 0000:11:00.0: USB bus 6 deregistered
[30607.065350] xhci_hcd 0000:11:00.0: remove, state 4
[30607.065353] usb usb5: USB disconnect, device number 1
[30607.065393] xHCI xhci_drop_endpoint called for root hub
[30607.065394] xHCI xhci_check_bandwidth called for root hub
[30607.065692] xhci_hcd 0000:11:00.0: USB bus 5 deregistered
[30607.065764] pci 0000:11:00.0: freeing pci_dev info
[30616.630810] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108
[30616.630813] pciehp 0000:00:1c.7:pcie04: LinkState change
[30616.630816] pciehp 0000:00:1c.7:pcie04: lnk_status = 5011
[30616.630817] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change
[30616.630820] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7)
[30616.630858] pciehp 0000:00:1c.7:pcie04: Surprise Removal
[30616.630888] pciehp 0000:00:1c.7:pcie04: Disabling domain:bus:device=0000:11:00
[30616.630891] pciehp 0000:00:1c.7:pcie04: pciehp_unconfigure_device: domain:bus:dev = 0000:11:00
[30708.233725] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108
[30708.233727] pciehp 0000:00:1c.7:pcie04: LinkState change
[30708.233738] pciehp 0000:00:1c.7:pcie04: lnk_status = 7011
[30708.233739] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change
[30708.233742] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7)
[30708.233781] pciehp 0000:00:1c.7:pcie04: Surprise Removal
[30708.233796] pciehp 0000:00:1c.7:pcie04: check_link_active: lnk_status = 7011
[30708.338477] pciehp 0000:00:1c.7:pcie04: pciehp_check_link_status: lnk_status = 7011
[30708.338581] pci 0000:11:00.0: [1033:0194] type 00 class 0x0c0330
[30708.338632] pci 0000:11:00.0: reg 10: [mem 0x00000000-0x00001fff 64bit]
[30708.338876] pci 0000:11:00.0: PME# supported from D0 D3hot
[30708.358538] pci 0000:11:00.0: BAR 0: assigned [mem 0xf6c00000-0xf6c01fff 64bit]
[30708.358575] pcieport 0000:00:1c.7: PCI bridge to [bus 11-16]
[30708.358588] pcieport 0000:00:1c.7: bridge window [io 0xc000-0xdfff]
[30708.358593] pcieport 0000:00:1c.7: bridge window [mem 0xf6c00000-0xf7cfffff]
[30708.358597] pcieport 0000:00:1c.7: bridge window [mem 0xf0000000-0xf10fffff 64bit pref]
[30708.358737] xhci_hcd 0000:11:00.0: enabling device (0100 -> 0102)
[30708.358791] xhci_hcd 0000:11:00.0: xHCI Host Controller
[30708.358799] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 5
[30708.359090] xhci_hcd 0000:11:00.0: irq 19, io mem 0xf6c00000
[30708.359192] xhci_hcd 0000:11:00.0: irq 54 for MSI/MSI-X
[30708.359196] xhci_hcd 0000:11:00.0: irq 55 for MSI/MSI-X
[30708.359199] xhci_hcd 0000:11:00.0: irq 56 for MSI/MSI-X
[30708.359203] xhci_hcd 0000:11:00.0: irq 57 for MSI/MSI-X
[30708.359207] xhci_hcd 0000:11:00.0: irq 58 for MSI/MSI-X
[30708.359357] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002
[30708.359359] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[30708.359360] usb usb5: Product: xHCI Host Controller
[30708.359361] usb usb5: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd
[30708.359363] usb usb5: SerialNumber: 0000:11:00.0
[30708.359453] xHCI xhci_add_endpoint called for root hub
[30708.359456] xHCI xhci_check_bandwidth called for root hub
[30708.359496] hub 5-0:1.0: USB hub found
[30708.359509] hub 5-0:1.0: 2 ports detected
[30708.359571] xhci_hcd 0000:11:00.0: xHCI Host Controller
[30708.359574] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 6
[30708.362332] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003
[30708.362335] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[30708.362337] usb usb6: Product: xHCI Host Controller
[30708.362338] usb usb6: Manufacturer: Linux 3.4.0-rc3-default xhci_hcd
[30708.362340] usb usb6: SerialNumber: 0000:11:00.0
[30708.362443] xHCI xhci_add_endpoint called for root hub
[30708.362445] xHCI xhci_check_bandwidth called for root hub
[30708.362472] hub 6-0:1.0: USB hub found
[30708.362490] hub 6-0:1.0: 2 ports detected
[30716.380693] xhci_hcd 0000:11:00.0: remove, state 4
[30716.380699] usb usb6: USB disconnect, device number 1
[30716.380752] xHCI xhci_drop_endpoint called for root hub
[30716.380754] xHCI xhci_check_bandwidth called for root hub
[30716.400795] xhci_hcd 0000:11:00.0: USB bus 6 deregistered
[30716.400803] xhci_hcd 0000:11:00.0: remove, state 4
[30716.400807] usb usb5: USB disconnect, device number 1
[30716.400846] xHCI xhci_drop_endpoint called for root hub
[30716.400848] xHCI xhci_check_bandwidth called for root hub
[30716.401134] xhci_hcd 0000:11:00.0: USB bus 5 deregistered
[30716.401207] pci 0000:11:00.0: freeing pci_dev info
[30720.175637] pciehp 0000:00:1c.7:pcie04: pcie_isr: intr_loc 108
[30720.175639] pciehp 0000:00:1c.7:pcie04: LinkState change
[30720.175643] pciehp 0000:00:1c.7:pcie04: lnk_status = 5011
[30720.175644] pciehp 0000:00:1c.7:pcie04: Presence/Notify input change
[30720.175648] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7)
[30720.175687] pciehp 0000:00:1c.7:pcie04: Surprise Removal
[30720.175718] pciehp 0000:00:1c.7:pcie04: Disabling domain:bus:device=0000:11:00
[30720.175721] pciehp 0000:00:1c.7:pcie04: pciehp_unconfigure_device: domain:bus:dev = 0000:11:00
next prev parent reply other threads:[~2012-04-20 17:25 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4F6A483D.50702@fold.natur.cuni.cz>
[not found] ` <CAE9FiQVnErU-cska4gpinyj-LOup-U+3vsEG2z_-7h6kyREYtw@mail.gmail.com>
[not found] ` <4F6A5A53.305@fold.natur.cuni.cz>
[not found] ` <CAE9FiQXP7fO9OGN557jdofFFiFj96wL--ZA8X3UPEJ6o9JLvBw@mail.gmail.com>
[not found] ` <4F8BEB1D.9080903@fold.natur.cuni.cz>
[not found] ` <CAE9FiQXoX3J6P_9Tun_XbkK3egvSeBZxAtC13HacFDO0fwmZaA@mail.gmail.com>
[not found] ` <4F8C6E4E.1000205@fold.natur.cuni.cz>
2012-04-16 20:53 ` Yinghai Lu
2012-04-17 1:42 ` Yinghai Lu
2012-04-17 2:48 ` Yinghai Lu
2012-04-17 7:27 ` Martin Mokrejs
2012-04-17 8:46 ` Yinghai Lu
2012-04-17 8:58 ` Yinghai Lu
2012-04-17 9:34 ` Martin Mokrejs
2012-04-17 17:07 ` Yinghai Lu
2012-04-17 19:02 ` Yinghai Lu
2012-04-18 17:53 ` Martin Mokrejs
2012-04-18 19:48 ` Yinghai Lu
2012-04-18 20:29 ` Martin Mokrejs
2012-04-18 20:58 ` Yinghai Lu
2012-04-18 22:55 ` Martin Mokrejs
2012-04-19 1:57 ` Yinghai Lu
2012-04-19 3:16 ` Mark Lord
2012-04-19 23:16 ` Martin Mokrejs
2012-04-19 21:48 ` Yinghai Lu
2012-04-20 2:06 ` Yinghai Lu
2012-04-20 11:23 ` Martin Mokrejs
2012-04-20 16:01 ` Yinghai Lu
2012-04-20 17:25 ` Martin Mokrejs
2012-04-20 17:28 ` Martin Mokrejs [this message]
2012-04-20 18:47 ` Yinghai Lu
2012-04-20 23:17 ` Sarah Sharp
2012-04-21 0:09 ` Yinghai Lu
2012-04-21 4:46 ` Yinghai Lu
2012-04-21 9:01 ` Martin Mokrejs
2012-04-21 9:12 ` Martin Mokrejs
2012-04-21 13:25 ` Sarah Sharp
2012-04-21 18:46 ` Yinghai Lu
2012-04-24 20:47 ` Martin Mokrejs
2012-04-24 20:48 ` Martin Mokrejs
2012-04-26 16:08 ` Yinghai Lu
2012-04-26 22:08 ` Martin Mokrejs
2012-04-26 22:44 ` Yinghai Lu
2012-04-26 23:26 ` Martin Mokrejs
2012-04-27 3:51 ` Yinghai Lu
2012-04-20 23:50 ` Martin Mokrejs
2012-04-21 0:04 ` Yinghai Lu
2012-05-04 16:16 ` Martin Mokrejs
2012-04-19 17:32 ` Martin Mokrejs
2012-04-19 18:13 ` Yinghai Lu
2012-05-04 15:58 ` Martin Mokrejs
2012-05-04 20:43 ` Martin Mokrejs
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