Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-20 Thread Jiang Liu
Hi Bjorn, We will try to work out a patch for this issue, won't silently ignore it. We also found another issue related to ARI. The steps to reproduce the bug is: 1) Boot with a ARI-capable device connected to ARI-capable port, so ARI will be enabled. 2) Hot-remove the ARI-capable device.

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-20 Thread Bjorn Helgaas
On Thu, Sep 20, 2012 at 6:26 AM, Yijing Wang wrote: > On 2012/9/20 9:47, Yijing Wang wrote: We compared the two situations after BIOS initialization, and found Max Payload Size in DEVCTRL is 256B if FC card had been installed, if the slot is empty, Max Payload Size is 128B. W

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-20 Thread Yijing Wang
On 2012/9/20 9:47, Yijing Wang wrote: >>> We compared the two situations after BIOS initialization, and found Max >>> Payload Size in DEVCTRL is 256B >>> if FC card had been installed, if the slot is empty, Max Payload Size is >>> 128B. We force it to be 128B when >>> FC card installed when syste

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-19 Thread Yijing Wang
On 2012/9/19 21:39, Bjorn Helgaas wrote: > On Tue, Sep 18, 2012 at 7:50 PM, Yijing Wang wrote: >> On 2012/9/19 1:54, Bjorn Helgaas wrote: >>> On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wrote: On 2012/9/16 11:30, Bjorn Helgaas wrote: > On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-19 Thread Yijing Wang
On 2012/9/19 23:31, Jiang Liu wrote: > On 09/19/2012 09:39 PM, Bjorn Helgaas wrote: >> On Tue, Sep 18, 2012 at 7:50 PM, Yijing Wang wrote: >>> On 2012/9/19 1:54, Bjorn Helgaas wrote: On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wrote: > On 2012/9/16 11:30, Bjorn Helgaas wrote: >> On

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-19 Thread Yijing Wang
On 2012/9/19 7:49, Giridhar Malavali wrote: > > > On 9/18/12 10:54 AM, "Bjorn Helgaas" wrote: > >> On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang >> wrote: >>> On 2012/9/16 11:30, Bjorn Helgaas wrote: On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang wrote: > Hi all, >I encount

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-19 Thread Jiang Liu
On 09/19/2012 09:39 PM, Bjorn Helgaas wrote: > On Tue, Sep 18, 2012 at 7:50 PM, Yijing Wang wrote: >> On 2012/9/19 1:54, Bjorn Helgaas wrote: >>> On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wrote: On 2012/9/16 11:30, Bjorn Helgaas wrote: > On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-19 Thread Bjorn Helgaas
On Tue, Sep 18, 2012 at 7:50 PM, Yijing Wang wrote: > On 2012/9/19 1:54, Bjorn Helgaas wrote: >> On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wrote: >>> On 2012/9/16 11:30, Bjorn Helgaas wrote: On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang wrote: > Hi all, >I encountered a very s

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-18 Thread Yijing Wang
On 2012/9/19 1:54, Bjorn Helgaas wrote: > On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wrote: >> On 2012/9/16 11:30, Bjorn Helgaas wrote: >>> On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang wrote: Hi all, I encountered a very strange problem when I hot plug a fiber channel card(us

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-18 Thread Giridhar Malavali
On 9/18/12 10:54 AM, "Bjorn Helgaas" wrote: >On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang >wrote: >> On 2012/9/16 11:30, Bjorn Helgaas wrote: >>> On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang >>>wrote: Hi all, I encountered a very strange problem when I hot plug a fiber channe

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-18 Thread Bjorn Helgaas
On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wrote: > On 2012/9/16 11:30, Bjorn Helgaas wrote: >> On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang wrote: >>> Hi all, >>>I encountered a very strange problem when I hot plug a fiber channel >>> card(using qla2xxx driver). >>> I did the hotplug in a

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-17 Thread Yijing Wang
On 2012/9/18 2:15, Giridhar Malavali wrote: > > > On 9/17/12 5:06 AM, "Yijing Wang" wrote: > >> [ 769.531289] qla2xxx [:08:00.0]-001d: : Found an ISP2532 irq 32 >> iobase 0xc90016bcc000. >> [ 769.531748] qla2xxx :08:00.0: irq 91 for MSI/MSI-X >> [ 769.531768] qla2xxx :08:00.0

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-17 Thread Giridhar Malavali
On 9/17/12 5:06 AM, "Yijing Wang" wrote: >[ 769.531289] qla2xxx [:08:00.0]-001d: : Found an ISP2532 irq 32 >iobase 0xc90016bcc000. >[ 769.531748] qla2xxx :08:00.0: irq 91 for MSI/MSI-X >[ 769.531768] qla2xxx :08:00.0: irq 92 for MSI/MSI-X >[ 799.503673] qla2xxx [:08:00.0

Re: Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-15 Thread Bjorn Helgaas
On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang wrote: > Hi all, >I encountered a very strange problem when I hot plug a fiber channel > card(using qla2xxx driver). > I did the hotplug in arch x86 machine, using pciehp driver for hotplug, this > platform supports pci hot-plug triggering from bo