Re: 3.2.11: PCI Express card cannot be re-detected withing cca 60sec timeframe

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On Mon, Apr 16, 2012 at 2:49 AM, Martin Mokrejs
<mmokrejs@xxxxxxxxxxxxxxxxxx> wrote:
> Hi Yinghai,
>
> Yinghai Lu wrote:
>> On Wed, Mar 21, 2012 at 3:46 PM, Martin Mokrejs
>   I had some Ooopses with 3.4-rc2 but now I have tested 3.4-rc3. Still, linux
> does NOT realize that I have removed an ExpressCard from the slot. It realizes
> that only when I pluging the card back again. Actually, this is a case of a
> NEC chipset base USB3.0 card.
>
>  In contrast, kernel DOES recognize that I unplugged a FireWire card from the
> same slot.
>
>  This is a Dell Vostro 3550 laptop. Below is what syslog logged with my comment.
> Empty lines between the log entries are inserted whe I either inserted or removed
> a card. Probably a bit more will be in the attached dmesg file.
>
>
> INSERTING CARD
>
> Apr 16 11:26:08 vostro kernel: [  126.849689] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7)
> Apr 16 11:26:08 vostro kernel: [  126.970840] pci 0000:11:00.0: BAR 0: assigned [mem 0xf6c00000-0xf6c01fff 64bit]
..
> Apr 16 11:26:08 vostro kernel: [  126.971030] xhci_hcd 0000:11:00.0: enabling device (0100 -> 0102)
> Apr 16 11:26:08 vostro kernel: [  126.971084] xhci_hcd 0000:11:00.0: xHCI Host Controller
> Apr 16 11:26:08 vostro kernel: [  126.971092] xhci_hcd 0000:11:00.0: new USB bus registered, assigned bus number 5
> Apr 16 11:26:08 vostro kernel: [  126.971400] xhci_hcd 0000:11:00.0: irq 19, io mem 0xf6c00000
...
>
> REMOVED CARD
>
> note (nothing happend)
>
> RE-INSERTED CARD
>
> Apr 16 11:28:42 vostro kernel: [  280.514490] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7)
> Apr 16 11:28:42 vostro kernel: [  280.514766] xhci_hcd 0000:11:00.0: remove, state 4
> Apr 16 11:28:42 vostro kernel: [  280.514771] usb usb6: USB disconnect, device number 1
> Apr 16 11:28:42 vostro kernel: [  280.514900] xhci_hcd 0000:11:00.0: Host not halted after 16000 microseconds.
> Apr 16 11:28:42 vostro kernel: [  280.514903] xhci_hcd 0000:11:00.0: USB bus 6 deregistered
> Apr 16 11:28:42 vostro kernel: [  280.514908] xhci_hcd 0000:11:00.0: remove, state 4
> Apr 16 11:28:42 vostro kernel: [  280.514911] usb usb5: USB disconnect, device number 1
> Apr 16 11:28:42 vostro kernel: [  280.515071] xhci_hcd 0000:11:00.0: Host not halted after 16000 microseconds.
> Apr 16 11:28:42 vostro kernel: [  280.515170] xhci_hcd 0000:11:00.0: USB bus 5 deregistered

So get the interrupt for surprise removal only just after put the card back?

> Apr 16 11:28:42 vostro kernel: [  280.530950] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7)
> Apr 16 11:28:42 vostro kernel: [  280.655913] pci 0000:11:00.0: BAR 0: assigned [mem 0xf6c00000-0xf6c01fff 64bit]
> Apr 16 11:28:42 vostro kernel: [  280.655957] pcieport 0000:00:1c.7: PCI bridge to [bus 11-16]
> Apr 16 11:28:42 vostro kernel: [  280.655960] pcieport 0000:00:1c.7:   bridge window [io  0xc000-0xdfff]
> Apr 16 11:28:42 vostro kernel: [  280.655965] pcieport 0000:00:1c.7:   bridge window [mem 0xf6c00000-0xf7cfffff]
> Apr 16 11:28:42 vostro kernel: [  280.655969] pcieport 0000:00:1c.7:   bridge window [mem 0xf0000000-0xf10fffff 64bit pref]
> Apr 16 11:28:42 vostro kernel: [  280.656108] xhci_hcd 0000:11:00.0: enabling device (0100 -> 0102)
...

>
> Now I took a DIFFERENT card: Axago ECF-X1 providing 2x 1394a
>
> INSERTED CARD
>
> Apr 16 11:29:51 vostro kernel: [  350.147852] pciehp 0000:00:1c.7:pcie04: Card not present on Slot(7)
> Apr 16 11:29:51 vostro kernel: [  350.148133] xhci_hcd 0000:11:00.0: remove, state 4
> Apr 16 11:29:51 vostro kernel: [  350.148138] usb usb6: USB disconnect, device number 1
> Apr 16 11:29:51 vostro kernel: [  350.148311] xhci_hcd 0000:11:00.0: Host not halted after 16000 microseconds.
> Apr 16 11:29:51 vostro kernel: [  350.148316] xhci_hcd 0000:11:00.0: USB bus 6 deregistered
> Apr 16 11:29:51 vostro kernel: [  350.148322] xhci_hcd 0000:11:00.0: remove, state 4
> Apr 16 11:29:51 vostro kernel: [  350.148326] usb usb5: USB disconnect, device number 1
> Apr 16 11:29:51 vostro kernel: [  350.148519] xhci_hcd 0000:11:00.0: Host not halted after 16000 microseconds.
> Apr 16 11:29:51 vostro kernel: [  350.148612] xhci_hcd 0000:11:00.0: USB bus 5 deregistered

after you insert firewire card, it got surprise remove interrupt...

> Apr 16 11:29:51 vostro kernel: [  350.156812] pciehp 0000:00:1c.7:pcie04: Card present on Slot(7)

> Apr 16 11:29:52 vostro kernel: [  350.277415] pci 0000:11:00.0: BAR 0: assigned [mem 0xf6c00000-0xf6c007ff 64bit]
> Apr 16 11:29:52 vostro kernel: [  350.277442] pci 0000:11:00.0: BAR 2: assigned [io  0xc000-0xc0ff]
> Apr 16 11:29:52 vostro kernel: [  350.277458] pcieport 0000:00:1c.7: PCI bridge to [bus 11-16]
> Apr 16 11:29:52 vostro kernel: [  350.277473] pcieport 0000:00:1c.7:   bridge window [io  0xc000-0xdfff]
> Apr 16 11:29:52 vostro kernel: [  350.277478] pcieport 0000:00:1c.7:   bridge window [mem 0xf6c00000-0xf7cfffff]
> Apr 16 11:29:52 vostro kernel: [  350.277482] pcieport 0000:00:1c.7:   bridge window [mem 0xf0000000-0xf10fffff 64bit pref]
> Apr 16 11:29:52 vostro kernel: [  350.363314] firewire_ohci 0000:11:00.0: enabling device (0100 -> 0103)
> Apr 16 11:29:52 vostro kernel: [  350.437174] firewire_ohci 0000:11:00.0: added OHCI v1.10 device as card 0, 4 IR + 8 IT contexts, quirks 0x11
> Apr 16 11:29:52 vostro kernel: [  350.936323] firewire_core 0000:11:00.0: created device fw0: GUID 0011066600000003, S400
>

please check boot with pciehp.pciehp_debug=1

also you could use tail -f /var/log/messages to get more timely outputs.

Thanks

Yinghai
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