* Kernel 3.9 - can't boot qemu with accel=kvm _and_ networking enabled @ 2013-05-07 13:48 Vladimir 2013-05-07 14:46 ` Paolo Bonzini 0 siblings, 1 reply; 6+ messages in thread From: Vladimir @ 2013-05-07 13:48 UTC (permalink / raw) To: kvm Hello, After upgrading kernel from 3.8.x to 3.9 booting virtual machine with kvm acceleration enabled stuck at or after iPXE initialization: /usr/bin/qemu-system-x86_64 ... works as expected /usr/bin/qemu-system-x86_64 -machine accel=kvm ... stuck If network is disabled (-net none) everything workd as expected. I'd appreciate any thoughts regarding this problem. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Kernel 3.9 - can't boot qemu with accel=kvm _and_ networking enabled 2013-05-07 13:48 Kernel 3.9 - can't boot qemu with accel=kvm _and_ networking enabled Vladimir @ 2013-05-07 14:46 ` Paolo Bonzini 2013-05-07 15:42 ` Vlad 0 siblings, 1 reply; 6+ messages in thread From: Paolo Bonzini @ 2013-05-07 14:46 UTC (permalink / raw) To: Vladimir; +Cc: kvm Il 07/05/2013 15:48, Vladimir ha scritto: > Hello, > > After upgrading kernel from 3.8.x to 3.9 booting virtual machine with > kvm acceleration enabled stuck at or after iPXE initialization: > /usr/bin/qemu-system-x86_64 ... works as expected > /usr/bin/qemu-system-x86_64 -machine accel=kvm ... stuck > If network is disabled (-net none) everything workd as expected. What is the full command line you're using, and the versions of qemu/seabios/ipxe? Paolo ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Kernel 3.9 - can't boot qemu with accel=kvm _and_ networking enabled 2013-05-07 14:46 ` Paolo Bonzini @ 2013-05-07 15:42 ` Vlad 2013-05-08 9:57 ` Paolo Bonzini 0 siblings, 1 reply; 6+ messages in thread From: Vlad @ 2013-05-07 15:42 UTC (permalink / raw) To: Paolo Bonzini, kvm Paolo, The full command line is: qemu-system-x86_64 -machine accel=kvm -m 1024m \ -net tap -net nic \ -drive file=/dev/zpool/testsrv,index=0,cache=writethrough \ -k en-us \ -no-kvm-irqchip \ -vga cirrus I've tried any combinations of "-net" options, but the result is always the same. I think this somehow related to http://article.gmane.org/gmane.comp.emulators.kvm.devel/109461, as setting "emulate_invalid_guest_state=0" solves the problem However, I'm not aware of any consequences of this change. Regards, Vlad. On 07/05/13 16:46, Paolo Bonzini wrote: > Il 07/05/2013 15:48, Vladimir ha scritto: >> Hello, >> >> After upgrading kernel from 3.8.x to 3.9 booting virtual machine with >> kvm acceleration enabled stuck at or after iPXE initialization: >> /usr/bin/qemu-system-x86_64 ... works as expected >> /usr/bin/qemu-system-x86_64 -machine accel=kvm ... stuck >> If network is disabled (-net none) everything workd as expected. > What is the full command line you're using, and the versions of > qemu/seabios/ipxe? > > Paolo ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Kernel 3.9 - can't boot qemu with accel=kvm _and_ networking enabled 2013-05-07 15:42 ` Vlad @ 2013-05-08 9:57 ` Paolo Bonzini 2013-05-08 12:25 ` Vladimir 0 siblings, 1 reply; 6+ messages in thread From: Paolo Bonzini @ 2013-05-08 9:57 UTC (permalink / raw) To: Vlad; +Cc: kvm > Paolo, > > The full command line is: > qemu-system-x86_64 -machine accel=kvm -m 1024m \ > -net tap -net nic \ > -drive file=/dev/zpool/testsrv,index=0,cache=writethrough \ > -k en-us \ > -no-kvm-irqchip \ > -vga cirrus > > I've tried any combinations of "-net" options, but the result is always > the same. I think this somehow related to > http://article.gmane.org/gmane.comp.emulators.kvm.devel/109461, as > setting "emulate_invalid_guest_state=0" solves the problem However, I'm > not aware of any consequences of this change. Actually, the other bug involves sgabios and you are not using it. Please try executing the following commands from the monitor (you can use "-monitor stdio" to make cut-and-paste simpler): x/8i \$pc x/64b \$pc and include the output in the reply to this message. Thanks, Paolo ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Kernel 3.9 - can't boot qemu with accel=kvm _and_ networking enabled 2013-05-08 9:57 ` Paolo Bonzini @ 2013-05-08 12:25 ` Vladimir 2013-05-09 9:09 ` Paolo Bonzini 0 siblings, 1 reply; 6+ messages in thread From: Vladimir @ 2013-05-08 12:25 UTC (permalink / raw) To: Paolo Bonzini; +Cc: kvm Here they are: (qemu) x/8i $pc 0x00000000000fc49b: lgdtw %cs:-0x2c60 0x00000000000fc4a1: mov %cr0,%eax 0x00000000000fc4a4: or $0x1,%eax 0x00000000000fc4a8: mov %eax,%cr0 0x00000000000fc4ab: ljmpl $0x8,$0xfc4b3 0x00000000000fc4b3: mov $0x10,%ax 0x00000000000fc4b6: add %al,(%bx,%si) 0x00000000000fc4b8: mov %ax,%ds (qemu) x/64b $pc 0x00000000000fc49b: lgdtw %cs:-0x2c60 0x00000000000fc4a1: mov %cr0,%eax 0x00000000000fc4a4: or $0x1,%eax 0x00000000000fc4a8: mov %eax,%cr0 0x00000000000fc4ab: ljmpl $0x8,$0xfc4b3 0x00000000000fc4b3: mov $0x10,%ax 0x00000000000fc4b6: add %al,(%bx,%si) 0x00000000000fc4b8: mov %ax,%ds 0x00000000000fc4ba: mov %ax,%es 0x00000000000fc4bc: mov %ax,%ss 0x00000000000fc4be: mov %ax,%fs 0x00000000000fc4c0: mov %ax,%gs 0x00000000000fc4c2: mov %cx,%ax 0x00000000000fc4c4: jmp *%dx 0x00000000000fc4c6: mov %ax,%cx 0x00000000000fc4c8: mov $0x20,%ax 0x00000000000fc4cb: add %al,(%bx,%si) 0x00000000000fc4cd: mov %ax,%ds 0x00000000000fc4cf: mov %ax,%es 0x00000000000fc4d1: mov %ax,%ss 0x00000000000fc4d3: mov %ax,%fs 0x00000000000fc4d5: mov %ax,%gs 0x00000000000fc4d7: ljmpl $0xc189,$0x18c4f4 0x00000000000fc4df: mov $0x30,%ax 0x00000000000fc4e2: add %al,(%bx,%si) 0x00000000000fc4e4: mov %ax,%ds 0x00000000000fc4e6: mov %ax,%es 0x00000000000fc4e8: mov %ax,%ss 0x00000000000fc4ea: mov %ax,%fs 0x00000000000fc4ec: mov %ax,%gs 0x00000000000fc4ee: ljmpl $0x200f,$0x28c4f4 0x00000000000fc4f6: shlb $0xe0,-0x7d(%bp) 0x00000000000fc4fa: decb (%bx) 0x00000000000fc4fc: and %al,%al 0x00000000000fc4fe: ljmp $0xf000,$0xc503 0x00000000000fc503: lidtw %cs:-0x2c18 0x00000000000fc509: xor %ax,%ax 0x00000000000fc50b: mov %ax,%fs 0x00000000000fc50d: mov %ax,%gs 0x00000000000fc50f: mov %ax,%es 0x00000000000fc511: mov %ax,%ds 0x00000000000fc513: mov %ax,%ss 0x00000000000fc515: mov %ecx,%eax 0x00000000000fc518: jmpl *%edx 0x00000000000fc51b: push %ebp 0x00000000000fc51d: push %eax 0x00000000000fc51f: pushl %es 0x00000000000fc521: push %cs 0x00000000000fc522: push $0xc566 0x00000000000fc525: addr32 pushw %es:0x24(%eax) 0x00000000000fc52a: addr32 pushl %es:0x20(%eax) 0x00000000000fc530: addr32 mov %es:0x4(%eax),%edi 0x00000000000fc536: addr32 mov %es:0x8(%eax),%esi 0x00000000000fc53c: addr32 mov %es:0xc(%eax),%ebp 0x00000000000fc542: addr32 mov %es:0x10(%eax),%ebx 0x00000000000fc548: addr32 mov %es:0x14(%eax),%edx 0x00000000000fc54e: addr32 mov %es:0x18(%eax),%ecx 0x00000000000fc554: addr32 mov %es:(%eax),%ds 0x00000000000fc558: addr32 pushl %es:0x1c(%eax) 0x00000000000fc55e: addr32 mov %es:0x2(%eax),%es 0x00000000000fc563: pop %eax 0x00000000000fc565: iret 0x00000000000fc566: pushf 0x00000000000fc567: cli On 08/05/13 11:57, Paolo Bonzini wrote: >> Paolo, >> >> The full command line is: >> qemu-system-x86_64 -machine accel=kvm -m 1024m \ >> -net tap -net nic \ >> -drive file=/dev/zpool/testsrv,index=0,cache=writethrough \ >> -k en-us \ >> -no-kvm-irqchip \ >> -vga cirrus >> >> I've tried any combinations of "-net" options, but the result is always >> the same. I think this somehow related to >> http://article.gmane.org/gmane.comp.emulators.kvm.devel/109461, as >> setting "emulate_invalid_guest_state=0" solves the problem However, I'm >> not aware of any consequences of this change. > Actually, the other bug involves sgabios and you are not using it. > Please try executing the following commands from the monitor (you can > use "-monitor stdio" to make cut-and-paste simpler): > > x/8i \$pc > x/64b \$pc > > and include the output in the reply to this message. > > Thanks, > > Paolo ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Kernel 3.9 - can't boot qemu with accel=kvm _and_ networking enabled 2013-05-08 12:25 ` Vladimir @ 2013-05-09 9:09 ` Paolo Bonzini 0 siblings, 0 replies; 6+ messages in thread From: Paolo Bonzini @ 2013-05-09 9:09 UTC (permalink / raw) To: Vladimir; +Cc: kvm Il 08/05/2013 14:25, Vladimir ha scritto: > Here they are: > > (qemu) x/8i $pc > 0x00000000000fc49b: lgdtw %cs:-0x2c60 Hi, this is the same problem as http://article.gmane.org/gmane.comp.emulators.kvm.devel/109527 -- the fix is on its way to the next stable kernel. Thanks for your patience! Paolo ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2013-05-09 9:09 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2013-05-07 13:48 Kernel 3.9 - can't boot qemu with accel=kvm _and_ networking enabled Vladimir 2013-05-07 14:46 ` Paolo Bonzini 2013-05-07 15:42 ` Vlad 2013-05-08 9:57 ` Paolo Bonzini 2013-05-08 12:25 ` Vladimir 2013-05-09 9:09 ` Paolo Bonzini
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