Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Eggert, Lars
On 2015-5-13, at 18:00, Eggert, Lars l...@netapp.com wrote: On 2015-5-13, at 16:46, Roger Pau Monné roger@citrix.com wrote: I guess migration-rdma gets compiled because Qemu detects that you have some library and assumes that you want it enabled. Did you install something new between

Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Eggert, Lars
On 2015-5-15, at 13:59, Roger Pau Monné roger@citrix.com wrote: Can you provide the bootlog with the patch applied? Below. Also, can you try if there's any difference when setting: hw.isci.force_legacy_interrupts=1 on /boot/loader.conf? That seems to elimintate the storm. The isci line

Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Roger Pau Monné
El 15/05/15 a les 13.53, Eggert, Lars ha escrit: On 2015-5-13, at 16:52, Roger Pau Monné roger@citrix.com wrote: I have a patch for FreeBSD which might solve it, however I don't have any similar box I can use to test it, would you mind giving it a spin? Unfortunately, the irq storm is

Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Eggert, Lars
On 2015-5-13, at 16:52, Roger Pau Monné roger@citrix.com wrote: I have a patch for FreeBSD which might solve it, however I don't have any similar box I can use to test it, would you mind giving it a spin? Unfortunately, the irq storm is still present with that patch applied. Lars

Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Eggert, Lars
On 2015-5-15, at 16:42, Eggert, Lars l...@netapp.com wrote: Will now set hw.isci.force_legacy_interrupts=1 and check if the device then works correctly. That seems to be the case. Lars signature.asc Description: Message signed with OpenPGP using GPGMail

Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Roger Pau Monné
El 15/05/15 a les 16.30, Eggert, Lars ha escrit: On 2015-5-15, at 16:14, Roger Pau Monné roger@citrix.com wrote: I've attached another patch that will force isci to print some messages, can you try that? Trying this now. +*irq = 0; FWIW, this was *irq = -1 in your previous

Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Eggert, Lars
On 2015-5-15, at 16:14, Roger Pau Monné roger@citrix.com wrote: I've attached another patch that will force isci to print some messages, can you try that? Trying this now. + *irq = 0; FWIW, this was *irq = -1 in your previous patch... Lars signature.asc Description: Message

Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Eggert, Lars
On 2015-5-15, at 16:35, Roger Pau Monné roger@citrix.com wrote: Yes, but I've realized that isci for example passes an uint32_t instead of an int, so it might be best to set it to 0. Here is what I see now: isci0: Intel(R) C600 Series Chipset SAS Controller (SATA mode) port

Re: Xen dom0 interrupt storm detected on irq16:; throttling interrupt source

2015-05-15 Thread Roger Pau Monné
El 15/05/15 a les 16.42, Eggert, Lars ha escrit: On 2015-5-15, at 16:35, Roger Pau Monné roger@citrix.com wrote: Yes, but I've realized that isci for example passes an uint32_t instead of an int, so it might be best to set it to 0. Here is what I see now: isci0: Intel(R) C600 Series