On Thu, Oct 29 2009, Kenji Kaneshige wrote: > Jens Axboe wrote: >> On Thu, Oct 29 2009, Kenji Kaneshige wrote: >>> Jens Axboe wrote: >>>> On Wed, Oct 28 2009, Kenji Kaneshige wrote: >>>>> Jens Axboe wrote: >>>>>> On Tue, Oct 27 2009, Kenji Kaneshige wrote: >>>>>>> Jens Axboe wrote: >>>>>>>> On Tue, Oct 20 2009, Alex Chiang wrote: >>>>>>>>> * Jens Axboe <jens.axboe@xxxxxxxxxx>: >>>>>>>>>> On Tue, Oct 13 2009, Alex Chiang wrote: >>>>>>>>>>>>> Can you modprobe acpiphp with debug=1? And send the output? >>>>>>>>>>>> acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 >>>>>>>>>>>> acpiphp_glue: found PCI-to-PCI bridge at PCI 0000:00:05.0 >>>>>>>>>>>> acpiphp_glue: found ACPI PCI Hotplug slot 1 at PCI 0000:08:00 >>>>>>>>>>>> acpiphp: Slot [1] registered >>>>>>>>>>>> acpiphp_glue: found PCI-to-PCI bridge at PCI 0000:00:07.0 >>>>>>>>>>>> acpiphp_glue: found ACPI PCI Hotplug slot 2 at PCI 0000:0b:00 >>>>>>>>>>>> acpiphp: Slot [2] registered >>>>>>>>>>>> acpiphp_glue: found PCI-to-PCI bridge at PCI 0000:80:07.0 >>>>>>>>>>>> acpiphp_glue: found ACPI PCI Hotplug slot 6 at PCI 0000:84:00 >>>>>>>>>>>> acpiphp: Slot [6] registered >>>>>>>>>>>> acpiphp_glue: found PCI-to-PCI bridge at PCI 0000:80:09.0 >>>>>>>>>>>> acpiphp_glue: found ACPI PCI Hotplug slot 7 at PCI 0000:87:00 >>>>>>>>>>>> acpiphp: Slot [7] registered >>>>>>>>>>>> acpiphp_glue: Bus 0000:87 has 1 slot >>>>>>>>>>>> acpiphp_glue: Bus 0000:84 has 1 slot >>>>>>>>>>>> acpiphp_glue: Bus 0000:0b has 1 slot >>>>>>>>>>>> acpiphp_glue: Bus 0000:08 has 1 slot >>>>>>>>>>>> acpiphp_glue: Total 4 slots >>>>>>>>>>> You mentioned in another mail that you echoed 1 into the various >>>>>>>>>>> slots' power files. >>>>>>>>>>> >>>>>>>>>>> Did you do that after modprobing acpiphp with debug=1? >>>>>>>>>>> >>>>>>>>>>> If so, there should be debug output when you try and turn them >>>>>>>>>>> on. >>>>>>>>>> It produces: >>>>>>>>>> >>>>>>>>>> acpiphp: enable_slot - physical_slot = 1 >>>>>>>>>> acpiphp_glue: acpiphp_enable_slot: Slot status is not ACPI_STA_ALL >>>>>>>>>> acpiphp: enable_slot - physical_slot = 2 >>>>>>>>>> acpiphp_glue: acpiphp_enable_slot: Slot status is not ACPI_STA_ALL >>>>>>>>>> acpiphp: enable_slot - physical_slot = 6 >>>>>>>>>> acpiphp_glue: acpiphp_enable_slot: Slot status is not ACPI_STA_ALL >>>>>>>>>> acpiphp: enable_slot - physical_slot = 7 >>>>>>>>>> acpiphp_glue: acpiphp_enable_slot: Slot status is not ACPI_STA_ALL >>>>>>>>> Hm, so for some reason, firmware on your machine is telling us >>>>>>>>> that it doesn't think cards are present and/or enabled. >>>>>>>>> >>>>>>>>> Unfortunately, I don't know why your firmware would be saying >>>>>>>>> that. We could add some more debug printks to see what firmware >>>>>>>>> thinks about your system... Or we could just wait and see what >>>>>>>>> happens after you get your hardware replaced. >>>>>>>> New board, the exact same thing happens. >>>>>>>> >>>>>>>>>> I have a card in one of the slots only this time. >>>>>>>>>> >>>>>>>>>>> Also, quick dummy check, you are trying to power on populated >>>>>>>>>>> slots, right? :) >>>>>>>>>> Yes :-) >>>>>>>>>> >>>>>>>>>>> Can you send the output of lspci -vv? And I like the output of >>>>>>>>>>> lspci -vt as well... Both before and after loading acpiphp >>>>>>>>>>> please. >>>>>>>>>> Send privately. >>>>>>>>> No difference in before and after. Odd. >>>>>>>>> >>>>>>>>> If you want to poke us again after your hardware swap, please do >>>>>>>>> so. Sorry for being not so helpful. :-/ >>>>>>>> Poke :-) >>>>>>>> >>>>>>>> One more thing I tried was pushing the power button on the slot >>>>>>>> manually. With acpiphp, I get the same messages as above. Using pciehp, >>>>>>>> I get the same power fault bit interrupt storm. So no difference from >>>>>>>> using the sysfs interface or doing it on the box side, doesn't work >>>>>>>> either way. >>>>>>>> >>>>>>> I'd like to confirm power fault interrupt storm, just in case. >>>>>>> Could you get /proc/interrupts information after power fault >>>>>>> problem happens and send it to me? >>>>>> The box pretty much hangs when I try to power on a slot with pciehp, so >>>>>> it's not easy to do... It doesn't hang with acpiphp, but doesn't work >>>>>> either (see previous reply to Alex). >>>>>> >>>>> Could you try the attached debugging patch? With this patch, power >>>>> fault interrupt would be disabled after 100 power fault detected ( >>>>> I hope so). You can get /proc/interrupts after that. >>>> Here is the output of doing the power on with that patch applied. >>>> >>>> pciehp 0000:00:05.0:pcie04: enable_slot: physical_slot = 1 >>>> pciehp 0000:00:05.0:pcie04: pciehp_get_power_status: SLOTCTRL a8 value read 77b >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 10 >>>> pciehp 0000:00:05.0:pcie04: pciehp_power_on_slot: SLOTCTRL a8 write cmd 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 10 >>>> pciehp 0000:00:05.0:pcie04: pciehp_green_led_blink: SLOTCTRL a8 write cmd 200 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: Power fault interrupt received >>>> pciehp 0000:00:05.0:pcie04: Power fault on Slot(1) >>>> pciehp 0000:00:05.0:pcie04: Power fault bit 0 set >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 2 >>>> pciehp 0000:00:05.0:pcie04: Data Link Layer Link Active not set in 1000 msec >>>> pciehp 0000:00:05.0:pcie04: pciehp_check_link_status: lnk_status = 1001 >>>> pciehp 0000:00:05.0:pcie04: Link Training Error occurs pciehp >>>> 0000:00:05.0:pcie04: Failed to check link status >>>> pciehp 0000:00:05.0:pcie04: Command not completed in 1000 msec >>>> pciehp 0000:00:05.0:pcie04: pciehp_set_attention_status: SLOTCTRL a8 write cmd 40 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 12 >>>> pciehp 0000:00:05.0:pcie04: pciehp_green_led_off: SLOTCTRL a8 write cmd 300 >>>> pciehp 0000:00:05.0:pcie04: pcie_isr: intr_loc 12 >>>> pciehp 0000:00:05.0:pcie04: pciehp_power_off_slot: SLOTCTRL a8 write cmd 400 >>>> pciehp 0000:00:05.0:pcie04: Command not completed in 1000 msec >>>> pciehp 0000:00:05.0:pcie04: pciehp_green_led_off: SLOTCTRL a8 write cmd 300 >>>> pciehp 0000:00:05.0:pcie04: Command not completed in 1000 msec >>>> pciehp 0000:00:05.0:pcie04: pciehp_set_attention_status: SLOTCTRL a8 write cmd 40 >>>> pciehp 0000:00:05.0:pcie04: pciehp_get_power_status: SLOTCTRL a8 value read 779 >>>> pciehp 0000:00:05.0:pcie04: pciehp_get_attention_status: SLOTCTRL a8, value read 779 >>>> >>> From the console log, it seems that my debug patch worked as I expected >>> (power fault event interrupts ware disabled after 100 power fault event). >>> But for some reasons, /proc/interrupts indicates only 5 interrupts of >>> pciehp. Just in case, did you get /proc/interrupts after doing power on? >> >> Nope, it was captured post the power on attempt and the above log dump. >> > > Can I confirm that? (sorry for my poor English skill) > > The /proc/interrupt was captured *before* the power on attempt and the log. > Correct? No, the /proc/interrupt output was captured AFTER the power on attempt and the log capture shown above. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
