Re: [Qemu-devel] [PATCH] esp-pci: fixup deadlock with linux

2014-11-10 Thread Paolo Bonzini
On 10/11/2014 08:02, Hannes Reinecke wrote: > On 11/09/2014 10:44 AM, Mark Cave-Ayland wrote: >> On 07/11/14 12:22, Hannes Reinecke wrote: >> >>> A linux guest will be issuing messages: >>> >>> [ 32.124042] DC390: Deadlock in DataIn_0: DMA aborted unfinished: 00 >>> bytes remain!! >>> [

Re: [Qemu-devel] [PATCH] esp-pci: fixup deadlock with linux

2014-11-09 Thread Gonglei
On 2014/11/10 15:50, Hannes Reinecke wrote: > On 11/10/2014 08:39 AM, Gonglei wrote: >> On 2014/11/10 15:02, Hannes Reinecke wrote: >> >>> On 11/09/2014 10:44 AM, Mark Cave-Ayland wrote: On 07/11/14 12:22, Hannes Reinecke wrote: > A linux guest will be issuing messages: > > [

Re: [Qemu-devel] [PATCH] esp-pci: fixup deadlock with linux

2014-11-09 Thread Hannes Reinecke
On 11/10/2014 08:39 AM, Gonglei wrote: > On 2014/11/10 15:02, Hannes Reinecke wrote: > >> On 11/09/2014 10:44 AM, Mark Cave-Ayland wrote: >>> On 07/11/14 12:22, Hannes Reinecke wrote: >>> A linux guest will be issuing messages: [ 32.124042] DC390: Deadlock in DataIn_0: DMA aborted

Re: [Qemu-devel] [PATCH] esp-pci: fixup deadlock with linux

2014-11-09 Thread Gonglei
On 2014/11/10 15:02, Hannes Reinecke wrote: > On 11/09/2014 10:44 AM, Mark Cave-Ayland wrote: >> On 07/11/14 12:22, Hannes Reinecke wrote: >> >>> A linux guest will be issuing messages: >>> >>> [ 32.124042] DC390: Deadlock in DataIn_0: DMA aborted unfinished: 00 >>> bytes remain!! >>> [ 3

Re: [Qemu-devel] [PATCH] esp-pci: fixup deadlock with linux

2014-11-09 Thread Hannes Reinecke
On 11/09/2014 10:44 AM, Mark Cave-Ayland wrote: > On 07/11/14 12:22, Hannes Reinecke wrote: > >> A linux guest will be issuing messages: >> >> [ 32.124042] DC390: Deadlock in DataIn_0: DMA aborted unfinished: 00 >> bytes remain!! >> [ 32.126348] DC390: DataIn_0: DMA State: 0 >> >> and the

Re: [Qemu-devel] [PATCH] esp-pci: fixup deadlock with linux

2014-11-09 Thread Mark Cave-Ayland
On 07/11/14 12:22, Hannes Reinecke wrote: > A linux guest will be issuing messages: > > [ 32.124042] DC390: Deadlock in DataIn_0: DMA aborted unfinished: 00 > bytes remain!! > [ 32.126348] DC390: DataIn_0: DMA State: 0 > > and the HBA will fail to work properly. > Reason is the emulatio

Re: [Qemu-devel] [PATCH] esp-pci: fixup deadlock with linux

2014-11-07 Thread Paolo Bonzini
On 07/11/2014 13:22, Hannes Reinecke wrote: > A linux guest will be issuing messages: > > [ 32.124042] DC390: Deadlock in DataIn_0: DMA aborted unfinished: 00 > bytes remain!! > [ 32.126348] DC390: DataIn_0: DMA State: 0 > > and the HBA will fail to work properly. > Reason is the emula

[Qemu-devel] [PATCH] esp-pci: fixup deadlock with linux

2014-11-07 Thread Hannes Reinecke
A linux guest will be issuing messages: [ 32.124042] DC390: Deadlock in DataIn_0: DMA aborted unfinished: 00 bytes remain!! [ 32.126348] DC390: DataIn_0: DMA State: 0 and the HBA will fail to work properly. Reason is the emulation is not setting the 'DMA transfer done' status correctly.