Re: [Qemu-devel] Forbid to pass lun 0 to iscsi driver

2015-08-03 Thread Andrey Korolyov
On Mon, Aug 3, 2015 at 11:13 AM, Paolo Bonzini pbonz...@redhat.com wrote: On 03/08/2015 09:47, Andrey Korolyov wrote: I`ve mistyped lun for tgtd upon volume hotplug, which resulted in an accidental crash, there is nothing but human factor. Until only LUN0 may possess such unusual properties,

Re: [Qemu-devel] Forbid to pass lun 0 to iscsi driver

2015-08-03 Thread Peter Lieven
Am 02.08.2015 um 13:42 schrieb Andrey Korolyov: Hello, As we will never pass LUN#0 as a storage lun, it would be better to prohibit this at least in iscsi.c, otherwise it will result in an FPU exception and emulator crash: traps: qemu-system-x86[32430] trap divide error ip:7f1dab7b5073

Re: [Qemu-devel] Forbid to pass lun 0 to iscsi driver

2015-08-03 Thread Andrey Korolyov
On Mon, Aug 3, 2015 at 9:45 AM, Peter Lieven p...@kamp.de wrote: Am 02.08.2015 um 13:42 schrieb Andrey Korolyov: Hello, As we will never pass LUN#0 as a storage lun, it would be better to prohibit this at least in iscsi.c, otherwise it will result in an FPU exception and emulator crash:

Re: [Qemu-devel] Forbid to pass lun 0 to iscsi driver

2015-08-03 Thread Peter Lieven
Am 03.08.2015 um 09:47 schrieb Andrey Korolyov: On Mon, Aug 3, 2015 at 9:45 AM, Peter Lieven p...@kamp.de wrote: Am 02.08.2015 um 13:42 schrieb Andrey Korolyov: Hello, As we will never pass LUN#0 as a storage lun, it would be better to prohibit this at least in iscsi.c, otherwise it will

Re: [Qemu-devel] Forbid to pass lun 0 to iscsi driver

2015-08-03 Thread Paolo Bonzini
On 03/08/2015 09:47, Andrey Korolyov wrote: I`ve mistyped lun for tgtd upon volume hotplug, which resulted in an accidental crash, there is nothing but human factor. Until only LUN0 may possess such unusual properties, I`d vote to explicitly work it around instead of adding generic

Re: [Qemu-devel] Forbid to pass lun 0 to iscsi driver

2015-08-03 Thread Peter Lieven
Am 03.08.2015 um 10:13 schrieb Paolo Bonzini: On 03/08/2015 09:47, Andrey Korolyov wrote: I`ve mistyped lun for tgtd upon volume hotplug, which resulted in an accidental crash, there is nothing but human factor. Until only LUN0 may possess such unusual properties, I`d vote to explicitly work

[Qemu-devel] Forbid to pass lun 0 to iscsi driver

2015-08-02 Thread Andrey Korolyov
Hello, As we will never pass LUN#0 as a storage lun, it would be better to prohibit this at least in iscsi.c, otherwise it will result in an FPU exception and emulator crash: traps: qemu-system-x86[32430] trap divide error ip:7f1dab7b5073 sp:7f1d713e4ae0 error:0 in