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 : >>>>>> 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 -- Jens Axboe