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 system boot up.

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 wangyij...@huawei.com 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

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

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 wangyij...@huawei.com wrote: On 2012/9/19 1:54, Bjorn Helgaas wrote: On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wangyij...@huawei.com 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 Jiang Liu
On 09/19/2012 09:39 PM, Bjorn Helgaas wrote: On Tue, Sep 18, 2012 at 7:50 PM, Yijing Wang wangyij...@huawei.com wrote: On 2012/9/19 1:54, Bjorn Helgaas wrote: On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wangyij...@huawei.com wrote: On 2012/9/16 11:30, Bjorn Helgaas wrote: On Sat, Sep 15,

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 bhelg...@google.com wrote: On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wangyij...@huawei.com wrote: On 2012/9/16 11:30, Bjorn Helgaas wrote: On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang wangyij...@huawei.com

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 wangyij...@huawei.com wrote: On 2012/9/19 1:54, Bjorn Helgaas wrote: On Mon, Sep 17, 2012 at 6:06 AM, Yijing Wang wangyij...@huawei.com wrote: On 2012/9/16 11:30,

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 wangyij...@huawei.com wrote: On 2012/9/16 11:30, Bjorn Helgaas wrote: On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang wangyij...@huawei.com wrote: Hi all, I encountered a very strange problem when I hot plug

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 wangyij...@huawei.com wrote: On 2012/9/16 11:30, Bjorn Helgaas wrote: On Sat, Sep 15, 2012 at 4:22 AM, Yijing Wang wangyij...@huawei.com wrote: Hi all, I encountered a very strange problem when I hot plug a fiber channel card(using qla2xxx

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 wangyij...@huawei.com 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]

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 wangyij...@huawei.com 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

Fail to probe qla2xxx fiber channel card while doing pci hotplug

2012-09-15 Thread Yijing Wang
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 both sysfs and attention button. If a hot-plug slot is empty

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 wangyij...@huawei.com 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