Fwd: PCIE device errors after linux kernel upgrade

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Hi all ,
I am trying to upgrade ours embedded device (freescale powerPC P2020 cpu)
linux kernel  , till now we used 2.6.32 I am trying to upgrade to 3.8.13 .
I took the source from freescale git:
git://git.freescale.com/ppc/sdk/linux.git

on our embedded device we have an FPGA connected through PCIE .

on each boot we loading the rbf design to the FPGA and the rescan pci bus to let
kernel detect it .

during the rescan I getting error messages:
 genirq: Setting trigger mode 0 for irq 27 failed
(mpc8xxx_irq_set_type+0x0/0xec)
[   22.060898] genirq: Setting trigger mode 0 for irq 28 failed
(mpc8xxx_irq_set_type+0x0/0xec)
[   22.069461] genirq: Setting trigger mode 0 for irq 31 failed
(mpc8xxx_irq_set_type+0x0/0xec)
[   22.078010] genirq: Setting trigger mode 0 for irq 32 failed
(mpc8xxx_irq_set_type+0x0/0xec)
[   22.086576] genirq: Setting trigger mode 0 for irq 33 failed
(mpc8xxx_irq_set_type+0x0/0xec)
[   22.095143] genirq: Setting trigger mode 0 for irq 37 failed
(mpc8xxx_irq_set_type+0x0/0xec)
[   22.103715] genirq: Setting trigger mode 0 for irq 38 failed
(mpc8xxx_irq_set_type+0x0/0xec)
[   22.112282] genirq: Setting trigger mode 0 for irq 39 failed
(mpc8xxx_irq_set_type+0x0/0xec)

[   37.945785] pci 0000:00:00.0: ignoring class 0x0b2000 (doesn't
match header type 01)
[   37.953640] PCIE error(s) detected
[   37.953858] pci 0000:00:00.0: PCI bridge to [bus 01-ff]
[   37.953988] pci 0000:00:00.0: BAR 8: assigned [mem 0xc0000000-0xdfffffff]
[   37.953994] pci 0000:00:00.0: BAR 7: can't assign io (size 0x10000)
[   37.954000] pci 0000:01:00.0: BAR 0: assigned [mem 0xc0000000-0xc00fffff]
[   37.954013] pci 0000:01:00.0: BAR 1: assigned [mem 0xc0100000-0xc017ffff]
[   37.954025] pci 0000:01:00.0: BAR 2: assigned [mem 0xc0180000-0xc01fffff]
[   37.954036] pci 0000:00:00.0: PCI bridge to [bus 01]
[   37.954041] pci 0000:00:00.0:   bridge window [mem 0xc0000000-0xdfffffff]
[   38.007354] PCIE ERR_DR register: 0x80020000
[   38.011613] PCIE ERR_CAP_STAT register: 0x00000041
[   38.016392] PCIE ERR_CAP_R0 register: 0x00000800
[   38.020997] PCIE ERR_CAP_R1 register: 0x00000000
[   38.025602] PCIE ERR_CAP_R2 register: 0x00000000
[   38.030207] PCIE ERR_CAP_R3 register: 0x00000000


and after a few minutes I linux reboot it self,


where can I start debugging it??


-- 
Leonid Ravich



-- 
Leonid Ravich
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