Re: [Qemu-devel] Problems with qemu "modern" virtio on sparc64

2017-01-06 Thread Guenter Roeck
On Fri, Jan 06, 2017 at 11:48:37PM +0200, Michael S. Tsirkin wrote: > On Fri, Jan 06, 2017 at 01:05:46PM -0800, Guenter Roeck wrote: > > On Fri, Jan 06, 2017 at 07:42:19PM +, Mark Cave-Ayland wrote: > > > On 06/01/17 18:34, Guenter Roeck wrote: > > > > > > > On Fri, Jan 06, 2017 at 05:04:58PM

Re: [Qemu-devel] Problems with qemu "modern" virtio on sparc64

2017-01-06 Thread Michael S. Tsirkin
On Fri, Jan 06, 2017 at 01:05:46PM -0800, Guenter Roeck wrote: > On Fri, Jan 06, 2017 at 07:42:19PM +, Mark Cave-Ayland wrote: > > On 06/01/17 18:34, Guenter Roeck wrote: > > > > > On Fri, Jan 06, 2017 at 05:04:58PM +, Mark Cave-Ayland wrote: > > >> On 30/12/16 19:57, Guenter Roeck wrote:

Re: [Qemu-devel] Problems with qemu "modern" virtio on sparc64

2017-01-06 Thread Guenter Roeck
On Fri, Jan 06, 2017 at 07:42:19PM +, Mark Cave-Ayland wrote: > On 06/01/17 18:34, Guenter Roeck wrote: > > > On Fri, Jan 06, 2017 at 05:04:58PM +, Mark Cave-Ayland wrote: > >> On 30/12/16 19:57, Guenter Roeck wrote: > >> > >> Disabling "modern" mode enables boot to proceed as normal: > >>

Re: [Qemu-devel] Problems with qemu "modern" virtio on sparc64

2017-01-06 Thread Mark Cave-Ayland
On 06/01/17 18:34, Guenter Roeck wrote: > On Fri, Jan 06, 2017 at 05:04:58PM +, Mark Cave-Ayland wrote: >> On 30/12/16 19:57, Guenter Roeck wrote: >> >> Disabling "modern" mode enables boot to proceed as normal: >> >> $ ./qemu-system-sparc64 \ >> -drive >> file=debian-9.0-sparc64-NETINST1.iso,

Re: [Qemu-devel] Problems with qemu "modern" virtio on sparc64

2017-01-06 Thread Guenter Roeck
On Fri, Jan 06, 2017 at 05:04:58PM +, Mark Cave-Ayland wrote: > On 30/12/16 19:57, Guenter Roeck wrote: > > Disabling "modern" mode enables boot to proceed as normal: > > $ ./qemu-system-sparc64 \ > -drive > file=debian-9.0-sparc64-NETINST1.iso,if=none,index=0,id=cd,media=cdrom \ > -device vi

Re: [Qemu-devel] Problems with qemu "modern" virtio on sparc64

2017-01-06 Thread Mark Cave-Ayland
On 30/12/16 19:57, Guenter Roeck wrote: > On 12/30/2016 10:18 AM, Mark Cave-Ayland wrote: >> On 25/11/16 18:11, Guenter Roeck wrote: >> >>> Hi, >>> >>> I am using virtio on sparc64 for my Linux kernel runtime tests. >>> >>> Starting with qemu v2.7, I noticed that the kernel either gets stuck or >>

Re: [Qemu-devel] Problems with qemu "modern" virtio on sparc64

2016-12-30 Thread Guenter Roeck
On 12/30/2016 10:18 AM, Mark Cave-Ayland wrote: On 25/11/16 18:11, Guenter Roeck wrote: Hi, I am using virtio on sparc64 for my Linux kernel runtime tests. Starting with qemu v2.7, I noticed that the kernel either gets stuck or crashes. After adding some debug information to the kernel, I fou

Re: [Qemu-devel] Problems with qemu "modern" virtio on sparc64

2016-12-30 Thread Mark Cave-Ayland
On 25/11/16 18:11, Guenter Roeck wrote: > Hi, > > I am using virtio on sparc64 for my Linux kernel runtime tests. > > Starting with qemu v2.7, I noticed that the kernel either gets stuck or > crashes. > After adding some debug information to the kernel, I found that the > problem happens > in vp

[Qemu-devel] Problems with qemu "modern" virtio on sparc64

2016-11-25 Thread Guenter Roeck
Hi, I am using virtio on sparc64 for my Linux kernel runtime tests. Starting with qemu v2.7, I noticed that the kernel either gets stuck or crashes. After adding some debug information to the kernel, I found that the problem happens in vp_reset(). Interestingly, when running v4.9-rc6 without m