From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: "Kevin O'Connor" <kevin@koconnor.net>
Cc: Bandan Das <bsd@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,
kraxel@redhat.com, Andrey Korolyov <andrey@xdel.ru>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] E5-2620v2 - emulation stop error
Date: Wed, 11 Mar 2015 16:52:03 +0000 [thread overview]
Message-ID: <20150311165203.GL2334@work-vm> (raw)
In-Reply-To: <20150311163739.GA29522@morn.localdomain>
* Kevin O'Connor (kevin@koconnor.net) wrote:
> On Wed, Mar 11, 2015 at 03:53:07PM +0000, Dr. David Alan Gilbert wrote:
> > * Kevin O'Connor (kevin@koconnor.net) wrote:
> > > On Wed, Mar 11, 2015 at 01:45:57PM +0000, Dr. David Alan Gilbert wrote:
> > > > * Bandan Das (bsd@redhat.com) wrote:
> > > > > "Dr. David Alan Gilbert" <dgilbert@redhat.com> writes:
> > > > > > while true; do (sleep 5; echo -e '\001cq\n')|/opt/qemu-try-world3/bin/qemu-system-x86_64 -machine pc-i440fx-2.0,accel=kvm -m 1024 -smp 128 -nographic -device sga 2>&1 | tee /tmp/qemu.op; grep "internal error" /tmp/qemu.op -q && break; done
>
> That is a truly impressive command line, BTW.
Thanks :-)
> > > > > > [root@virtlab413 qemu-world3]# git bisect bad
> > > > > > 21f5826a04d38e19488f917e1eef22751490c769 is the first bad commit
> > > > >
> > > > > I can reproduce this on E5-2620 v2 with David's "while true" test.
> > > > > (The emulation failure I mean, not the suberror 2 that Andrey is seeing)
> > > > > The commit that seems to have introduced this is -
> > > > >
> > > > > commit 0673b7870063a3affbad9046fb6d385a4e734c19
> > > > > Author: Kevin O'Connor <kevin@koconnor.net>
> > > > > Date: Sat May 24 10:49:50 2014 -0400
> > > > >
> > > > > smp: Replace QEMU SMP init assembler code with C; run only in 32bit mode.
> > > [...]
> > > > Turning on debug logging
> > > > ( -chardev file,id=log,path=/tmp/debugcon.$$ -device isa-debugcon,chardev=log,iobase=0x402 )
> > > >
> > > > SeaBIOS (version rel-1.8.0-0-g4c59f5d-20150219_092859-nilsson.home.kraxel.org)
> > > [...]
> > > > Found 1 cpu(s) max supported 128 cpu(s)
> > >
> > > Something is very odd here. When I run the above command (on an older
> > > AMD machine) I get:
> > >
> > > Found 128 cpu(s) max supported 128 cpu(s)
> > >
> > > That first value (1 vs 128) comes from QEMU (via cmos index 0x5f).
> > > That is, during smp init, SeaBIOS expects QEMU to tell it how many
> > > cpus are active, and SeaBIOS waits until that many CPUs check in from
> > > its SIPI request before proceeding.
> > >
> > > I wonder if QEMU reported only 1 active cpu via that cmos register,
> > > but more were actually active. If that was the case, it could
> > > certainly explain the failure - as multiple cpus could be running
> > > without the sipi trapoline in place.
> > >
> > > What does the log look like on a non-failure case?
> >
> > I had to drop down from 128 to get a working run with debug; here
> > are two runs with -smp 20 the first one worked, the second one
> > failed.
> [...]
> > =========== Working ===========
> >
> > SeaBIOS (version rel-1.8.0-0-g4c59f5d-20150219_092859-nilsson.home.kraxel.org)
> [...]
> > Found 20 cpu(s) max supported 20 cpu(s)
> [...]
> > =========== Broken ===========
> >
> > SeaBIOS (version rel-1.8.0-0-g4c59f5d-20150219_092859-nilsson.home.kraxel.org)
> [...]
> > Found 1 cpu(s) max supported 20 cpu(s)
>
> So, I couldn't get this to fail on my older AMD machine at all with
> the default SeaBIOS code. But, when I change the code with the patch
> below, it failed right away.
>
> KVM internal error. Suberror: 1
> emulation failure
> EAX=00000000 EBX=00000000 ECX=00000000 EDX=000fd2b8
> ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
> EIP=000fd2c1 EFL=00000007 [-----PC] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> CS =0008 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA]
> SS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> DS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> FS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> GS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008300 DPL=0 TSS16-busy
> GDT= 000f6a50 00000037
> IDT= 000f6a8e 00000000
> CR0=60000011 CR2=00000000 CR3=00000000 CR4=00000000
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=66 ba b8 d2 0f 00 e9 a2 fe f3 90 f0 0f ba 2d 04 ff fb 3f 00 <72> f3 8b 25 00 ff fb 3f e8 d2 65 ff ff c7 05 04 ff fb 3f 00 00 00 00 f4 eb fd fa fc 66 b8
>
> And the failed debug output looks like:
>
> SeaBIOS (version rel-1.8.0-7-gd23eba6-dirty-20150311_121819-morn.localdomain)
> [...]
> cmos_smp_count0=20
> [...]
> cmos_smp_count=1
> cmos_smp_count2=1/20
> Found 1 cpu(s) max supported 20 cpu(s)
>
> I'm going to check the assembly for a compiler error, but is it
> possible QEMU is returning incorrect data in cmos index 0x5f?
>
> David, any chance you can recompile seabios and double check your
> output?
Done;
=========== Working ===========
SeaBIOS (version rel-1.8.0-0-g4c59f5d-dirty-20150311_164408-dgilbert-t530)
No Xen hypervisor found.
Running on QEMU (i440fx)
Running on KVM
RamSize: 0x40000000 [cmos]
Relocating init from 0x000df4e0 to 0x3ffaf570 (size 68048)
Found QEMU fw_cfg
RamBlock: addr 0x0000000000000000 len 0x0000000040000000 [e820]
Moving pm_base to 0x600
CPU Mhz=2116
cmos_smp_count0=20
=== PCI bus & bridge init ===
PCI: pci_bios_init_bus_rec bus = 0x0
=== PCI device probing ===
Found 6 PCI devices (max PCI bus is 00)
=== PCI new allocation pass #1 ===
PCI: check devices
=== PCI new allocation pass #2 ===
PCI: IO: c000 - c04f
PCI: 32: 0000000080000000 - 00000000fec00000
PCI: map device bdf=00:03.0 bar 1, addr 0000c000, size 00000040 [io]
PCI: map device bdf=00:01.1 bar 4, addr 0000c040, size 00000010 [io]
PCI: map device bdf=00:03.0 bar 6, addr feb80000, size 00040000 [mem]
PCI: map device bdf=00:03.0 bar 0, addr febc0000, size 00020000 [mem]
PCI: map device bdf=00:02.0 bar 6, addr febe0000, size 00010000 [mem]
PCI: map device bdf=00:02.0 bar 2, addr febf0000, size 00001000 [mem]
PCI: map device bdf=00:02.0 bar 0, addr fd000000, size 01000000 [prefmem]
PCI: init bdf=00:00.0 id=8086:1237
PCI: init bdf=00:01.0 id=8086:7000
PIIX3/PIIX4 init: elcr=00 0c
PCI: init bdf=00:01.1 id=8086:7010
PCI: init bdf=00:01.3 id=8086:7113
Using pmtimer, ioport 0x608
PCI: init bdf=00:02.0 id=1234:1111
PCI: init bdf=00:03.0 id=8086:100e
PCI: Using 00:02.0 for primary VGA
cmos_smp_count=20
handle_smp: apic_id=8
handle_smp: apic_id=4
handle_smp: apic_id=2
handle_smp: apic_id=15
handle_smp: apic_id=16
handle_smp: apic_id=10
handle_smp: apic_id=3
handle_smp: apic_id=12
handle_smp: apic_id=19
handle_smp: apic_id=14
handle_smp: apic_id=11
handle_smp: apic_id=7
handle_smp: apic_id=17
handle_smp: apic_id=6
handle_smp: apic_id=18
handle_smp: apic_id=13
handle_smp: apic_id=9
handle_smp: apic_id=5
handle_smp: apic_id=1
cmos_smp_count2=20/20
Found 20 cpu(s) max supported 20 cpu(s)
Copying PIR from 0x3ffbfc9c to 0x000f6720
Copying MPTABLE from 0x00006de8/3ffa64a0 to 0x000f64c0
Copying SMBIOS entry point from 0x00006de8 to 0x000f64a0
Scan for VGA option rom
Running option rom at c000:0003
Start SeaVGABIOS (version rel-1.8.0-0-g4c59f5d-20150219_092912-nilsson.home.kraxel.org)
enter vga_post:
a=00000010 b=0000ffff c=00000000 d=0000ffff ds=0000 es=f000 ss=0000
si=00000000 di=00006af0 bp=00000000 sp=00006d66 cs=f000 ip=d244 f=0000
VBE DISPI: bdf 00:02.0, bar 0
VBE DISPI: lfb_addr=fd000000, size 16 MB
Attempting to allocate VGA stack via pmm call to f000:d2f6
pmm call arg1=0
VGA stack allocated at ef430
Running option rom at c980:0003
Turning on vga text mode console
set VGA mode 3
SeaBIOS (version rel-1.8.0-0-g4c59f5d-dirty-20150311_164408-dgilbert-t530)
All threads complete.
Found 1 lpt ports
Found 1 serial ports
Searching bootorder for: /pci@i0cf8/isa@1/fdc@03f0/floppy@0
ATA controller 1 at 1f0/3f4/0 (irq 14 dev 9)
ATA controller 2 at 170/374/0 (irq 15 dev 9)
DVD/CD [ata1-0: QEMU DVD-ROM ATAPI-4 DVD/CD]
Searching bootorder for: /pci@i0cf8/*@1,1/drive@1/disk@0
PS2 keyboard initialized
All threads complete.
Scan for option roms
Running option rom at ca80:0003
pmm call arg1=1
pmm call arg1=0
pmm call arg1=1
pmm call arg1=0
Searching bootorder for: /pci@i0cf8/*@3
Searching bootorder for: /rom@genroms/kvmvapic.bin
Searching bootorder for: HALT
Running option rom at cb80:0003
Space available for UMB: ce000-ee800, f5fa0-f63c0
Returned 126976 bytes of ZoneHigh
e820 map has 7 items:
0: 0000000000000000 - 000000000009f800 = 1 RAM
1: 000000000009f800 - 00000000000a0000 = 2 RESERVED
2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
3: 0000000000100000 - 000000003ffdf000 = 1 RAM
4: 000000003ffdf000 - 0000000040000000 = 2 RESERVED
5: 00000000feffc000 - 00000000ff000000 = 2 RESERVED
6: 00000000fffc0000 - 0000000100000000 = 2 RESERVED
enter handle_19:
NULL
Booting from Hard Disk...
Boot failed: could not read the boot disk
enter handle_18:
NULL
Booting from Floppy...
floppy error: 40 00 00 00 00 01 02
Boot failed: could not read the boot disk
enter handle_18:
NULL
Booting from DVD/CD...
Device reports MEDIUM NOT PRESENT
scsi_is_ready returned -1
Boot failed: Could not read from CDROM (code 0003)
enter handle_18:
NULL
Booting from ROM...
Booting from ca80:0361
=========== Broken ===========
SeaBIOS (version rel-1.8.0-0-g4c59f5d-dirty-20150311_164408-dgilbert-t530)
No Xen hypervisor found.
Running on QEMU (i440fx)
Running on KVM
RamSize: 0x40000000 [cmos]
Relocating init from 0x000df4e0 to 0x3ffaf570 (size 68048)
Found QEMU fw_cfg
RamBlock: addr 0x0000000000000000 len 0x0000000040000000 [e820]
Moving pm_base to 0x600
CPU Mhz=2115
cmos_smp_count0=20
=== PCI bus & bridge init ===
PCI: pci_bios_init_bus_rec bus = 0x0
=== PCI device probing ===
Found 6 PCI devices (max PCI bus is 00)
=== PCI new allocation pass #1 ===
PCI: check devices
=== PCI new allocation pass #2 ===
PCI: IO: c000 - c04f
PCI: 32: 0000000080000000 - 00000000fec00000
PCI: map device bdf=00:03.0 bar 1, addr 0000c000, size 00000040 [io]
PCI: map device bdf=00:01.1 bar 4, addr 0000c040, size 00000010 [io]
PCI: map device bdf=00:03.0 bar 6, addr feb80000, size 00040000 [mem]
PCI: map device bdf=00:03.0 bar 0, addr febc0000, size 00020000 [mem]
PCI: map device bdf=00:02.0 bar 6, addr febe0000, size 00010000 [mem]
PCI: map device bdf=00:02.0 bar 2, addr febf0000, size 00001000 [mem]
PCI: map device bdf=00:02.0 bar 0, addr fd000000, size 01000000 [prefmem]
PCI: init bdf=00:00.0 id=8086:1237
PCI: init bdf=00:01.0 id=8086:7000
PIIX3/PIIX4 init: elcr=00 0c
PCI: init bdf=00:01.1 id=8086:7010
PCI: init bdf=00:01.3 id=8086:7113
Using pmtimer, ioport 0x608
PCI: init bdf=00:02.0 id=1234:1111
PCI: init bdf=00:03.0 id=8086:100e
PCI: Using 00:02.0 for primary VGA
cmos_smp_count=1
cmos_smp_count2=1/20
Found 1 cpu(s) max supported 20 cpu(s)
Copying PIR from 0x3ffbfc9c to 0x000f6720
Copying MPTABLE from 0x00006de8/3ffa64a0 to 0x000f64c0
Copying SMBIOS entry point from 0x00006de8 to 0x000f64a0
Scan for VGA option rom
Running option rom at c000:0003
Start SeaVGABIOS (version rel-1.8.0-0-g4c59f5d-20150219_092912-nilsson.home.kraxel.org)
enter vga_post:
a=00000010 b=0000ffff c=00000000 d=0000ffff ds=0000 es=f000 ss=0000
si=00000000 di=00006af0 bp=00000000 sp=00006d66 cs=f000 ip=d244 f=0000
VBE DISPI: bdf 00:02.0, bar 0
VBE DISPI: lfb_addr=fd000000, size 16 MB
Attempting to allocate VGA stack via pmm call to f000:d2f6
pmm call arg1=0
VGA stack allocated at ef430
Running option rom at c980:0003
Turning on vga text mode console
set VGA mode 3
SeaBIOS (version rel-1.8.0-0-g4c59f5d-dirty-20150311_164408-dgilbert-t530)
All threads complete.
Found 1 lpt ports
Found 1 serial ports
Searching bootorder for: /pci@i0cf8/isa@1/fdc@03f0/floppy@0
ATA controller 1 at 1f0/3f4/0 (irq 14 dev 9)
ATA controller 2 at 170/374/0 (irq 15 dev 9)
DVD/CD [ata1-0: QEMU DVD-ROM ATAPI-4 DVD/CD]
Searching bootorder for: /pci@i0cf8/*@1,1/drive@1/disk@0
PS2 keyboard initialized
All threads complete.
Scan for option roms
Running option rom at ca80:0003
pmm call arg1=1
pmm call arg1=0
pmm call arg1=1
pmm call arg1=0
Searching bootorder for: /pci@i0cf8/*@3
Searching bootorder for: /rom@genroms/kvmvapic.bin
Searching bootorder for: HALT
Running option rom at cb80:0003
Space available for UMB: ce000-ee800, f5fa0-f63c0
Returned 126976 bytes of ZoneHigh
e820 map has 7 items:
0: 0000000000000000 - 000000000009f800 = 1 RAM
1: 000000000009f800 - 00000000000a0000 = 2 RESERVED
2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
3: 0000000000100000 - 000000003ffdf000 = 1 RAM
4: 000000003ffdf000 - 0000000040000000 = 2 RESERVED
5: 00000000feffc000 - 00000000ff000000 = 2 RESERVED
6: 00000000fffc0000 - 0000000100000000 = 2 RESERVED
> -Kevin
>
>
> --- a/src/fw/smp.c
> +++ b/src/fw/smp.c
> @@ -128,6 +128,7 @@ smp_setup(void)
>
> // Wait for other CPUs to process the SIPI.
> u8 cmos_smp_count = rtc_read(CMOS_BIOS_SMP_COUNT) + 1;
> + dprintf(1, "cmos_smp_count=%d\n", cmos_smp_count);
> while (cmos_smp_count != CountCPUs)
> asm volatile(
> // Release lock and allow other processors to use the stack.
> @@ -140,6 +141,8 @@ smp_setup(void)
> : "+m" (SMPLock), "+m" (SMPStack)
> : : "cc", "memory");
> yield();
> + dprintf(1, "cmos_smp_count2=%d/%d\n", cmos_smp_count
> + , rtc_read(CMOS_BIOS_SMP_COUNT) + 1);
>
> // Restore memory.
> *(u64*)BUILD_AP_BOOT_ADDR = old;
> diff --git a/src/post.c b/src/post.c
> index 9ea5620..dc11c72 100644
> --- a/src/post.c
> +++ b/src/post.c
> @@ -170,6 +170,7 @@ platform_hardware_setup(void)
> clock_setup();
>
> // Platform specific setup
> + dprintf(1, "cmos_smp_count0=%d\n", rtc_read(CMOS_BIOS_SMP_COUNT) + 1);
> qemu_platform_setup();
> coreboot_platform_setup();
> }
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
WARNING: multiple messages have this Message-ID (diff)
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Kevin O'Connor <kevin@koconnor.net>
Cc: Andrey Korolyov <andrey@xdel.ru>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Bandan Das <bsd@redhat.com>,
kraxel@redhat.com, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] E5-2620v2 - emulation stop error
Date: Wed, 11 Mar 2015 16:52:03 +0000 [thread overview]
Message-ID: <20150311165203.GL2334@work-vm> (raw)
In-Reply-To: <20150311163739.GA29522@morn.localdomain>
* Kevin O'Connor (kevin@koconnor.net) wrote:
> On Wed, Mar 11, 2015 at 03:53:07PM +0000, Dr. David Alan Gilbert wrote:
> > * Kevin O'Connor (kevin@koconnor.net) wrote:
> > > On Wed, Mar 11, 2015 at 01:45:57PM +0000, Dr. David Alan Gilbert wrote:
> > > > * Bandan Das (bsd@redhat.com) wrote:
> > > > > "Dr. David Alan Gilbert" <dgilbert@redhat.com> writes:
> > > > > > while true; do (sleep 5; echo -e '\001cq\n')|/opt/qemu-try-world3/bin/qemu-system-x86_64 -machine pc-i440fx-2.0,accel=kvm -m 1024 -smp 128 -nographic -device sga 2>&1 | tee /tmp/qemu.op; grep "internal error" /tmp/qemu.op -q && break; done
>
> That is a truly impressive command line, BTW.
Thanks :-)
> > > > > > [root@virtlab413 qemu-world3]# git bisect bad
> > > > > > 21f5826a04d38e19488f917e1eef22751490c769 is the first bad commit
> > > > >
> > > > > I can reproduce this on E5-2620 v2 with David's "while true" test.
> > > > > (The emulation failure I mean, not the suberror 2 that Andrey is seeing)
> > > > > The commit that seems to have introduced this is -
> > > > >
> > > > > commit 0673b7870063a3affbad9046fb6d385a4e734c19
> > > > > Author: Kevin O'Connor <kevin@koconnor.net>
> > > > > Date: Sat May 24 10:49:50 2014 -0400
> > > > >
> > > > > smp: Replace QEMU SMP init assembler code with C; run only in 32bit mode.
> > > [...]
> > > > Turning on debug logging
> > > > ( -chardev file,id=log,path=/tmp/debugcon.$$ -device isa-debugcon,chardev=log,iobase=0x402 )
> > > >
> > > > SeaBIOS (version rel-1.8.0-0-g4c59f5d-20150219_092859-nilsson.home.kraxel.org)
> > > [...]
> > > > Found 1 cpu(s) max supported 128 cpu(s)
> > >
> > > Something is very odd here. When I run the above command (on an older
> > > AMD machine) I get:
> > >
> > > Found 128 cpu(s) max supported 128 cpu(s)
> > >
> > > That first value (1 vs 128) comes from QEMU (via cmos index 0x5f).
> > > That is, during smp init, SeaBIOS expects QEMU to tell it how many
> > > cpus are active, and SeaBIOS waits until that many CPUs check in from
> > > its SIPI request before proceeding.
> > >
> > > I wonder if QEMU reported only 1 active cpu via that cmos register,
> > > but more were actually active. If that was the case, it could
> > > certainly explain the failure - as multiple cpus could be running
> > > without the sipi trapoline in place.
> > >
> > > What does the log look like on a non-failure case?
> >
> > I had to drop down from 128 to get a working run with debug; here
> > are two runs with -smp 20 the first one worked, the second one
> > failed.
> [...]
> > =========== Working ===========
> >
> > SeaBIOS (version rel-1.8.0-0-g4c59f5d-20150219_092859-nilsson.home.kraxel.org)
> [...]
> > Found 20 cpu(s) max supported 20 cpu(s)
> [...]
> > =========== Broken ===========
> >
> > SeaBIOS (version rel-1.8.0-0-g4c59f5d-20150219_092859-nilsson.home.kraxel.org)
> [...]
> > Found 1 cpu(s) max supported 20 cpu(s)
>
> So, I couldn't get this to fail on my older AMD machine at all with
> the default SeaBIOS code. But, when I change the code with the patch
> below, it failed right away.
>
> KVM internal error. Suberror: 1
> emulation failure
> EAX=00000000 EBX=00000000 ECX=00000000 EDX=000fd2b8
> ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000
> EIP=000fd2c1 EFL=00000007 [-----PC] CPL=0 II=0 A20=1 SMM=0 HLT=0
> ES =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> CS =0008 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA]
> SS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> DS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> FS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> GS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA]
> LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT
> TR =0000 00000000 0000ffff 00008300 DPL=0 TSS16-busy
> GDT= 000f6a50 00000037
> IDT= 000f6a8e 00000000
> CR0=60000011 CR2=00000000 CR3=00000000 CR4=00000000
> DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
> DR6=00000000ffff0ff0 DR7=0000000000000400
> EFER=0000000000000000
> Code=66 ba b8 d2 0f 00 e9 a2 fe f3 90 f0 0f ba 2d 04 ff fb 3f 00 <72> f3 8b 25 00 ff fb 3f e8 d2 65 ff ff c7 05 04 ff fb 3f 00 00 00 00 f4 eb fd fa fc 66 b8
>
> And the failed debug output looks like:
>
> SeaBIOS (version rel-1.8.0-7-gd23eba6-dirty-20150311_121819-morn.localdomain)
> [...]
> cmos_smp_count0=20
> [...]
> cmos_smp_count=1
> cmos_smp_count2=1/20
> Found 1 cpu(s) max supported 20 cpu(s)
>
> I'm going to check the assembly for a compiler error, but is it
> possible QEMU is returning incorrect data in cmos index 0x5f?
>
> David, any chance you can recompile seabios and double check your
> output?
Done;
=========== Working ===========
SeaBIOS (version rel-1.8.0-0-g4c59f5d-dirty-20150311_164408-dgilbert-t530)
No Xen hypervisor found.
Running on QEMU (i440fx)
Running on KVM
RamSize: 0x40000000 [cmos]
Relocating init from 0x000df4e0 to 0x3ffaf570 (size 68048)
Found QEMU fw_cfg
RamBlock: addr 0x0000000000000000 len 0x0000000040000000 [e820]
Moving pm_base to 0x600
CPU Mhz=2116
cmos_smp_count0=20
=== PCI bus & bridge init ===
PCI: pci_bios_init_bus_rec bus = 0x0
=== PCI device probing ===
Found 6 PCI devices (max PCI bus is 00)
=== PCI new allocation pass #1 ===
PCI: check devices
=== PCI new allocation pass #2 ===
PCI: IO: c000 - c04f
PCI: 32: 0000000080000000 - 00000000fec00000
PCI: map device bdf=00:03.0 bar 1, addr 0000c000, size 00000040 [io]
PCI: map device bdf=00:01.1 bar 4, addr 0000c040, size 00000010 [io]
PCI: map device bdf=00:03.0 bar 6, addr feb80000, size 00040000 [mem]
PCI: map device bdf=00:03.0 bar 0, addr febc0000, size 00020000 [mem]
PCI: map device bdf=00:02.0 bar 6, addr febe0000, size 00010000 [mem]
PCI: map device bdf=00:02.0 bar 2, addr febf0000, size 00001000 [mem]
PCI: map device bdf=00:02.0 bar 0, addr fd000000, size 01000000 [prefmem]
PCI: init bdf=00:00.0 id=8086:1237
PCI: init bdf=00:01.0 id=8086:7000
PIIX3/PIIX4 init: elcr=00 0c
PCI: init bdf=00:01.1 id=8086:7010
PCI: init bdf=00:01.3 id=8086:7113
Using pmtimer, ioport 0x608
PCI: init bdf=00:02.0 id=1234:1111
PCI: init bdf=00:03.0 id=8086:100e
PCI: Using 00:02.0 for primary VGA
cmos_smp_count=20
handle_smp: apic_id=8
handle_smp: apic_id=4
handle_smp: apic_id=2
handle_smp: apic_id=15
handle_smp: apic_id=16
handle_smp: apic_id=10
handle_smp: apic_id=3
handle_smp: apic_id=12
handle_smp: apic_id=19
handle_smp: apic_id=14
handle_smp: apic_id=11
handle_smp: apic_id=7
handle_smp: apic_id=17
handle_smp: apic_id=6
handle_smp: apic_id=18
handle_smp: apic_id=13
handle_smp: apic_id=9
handle_smp: apic_id=5
handle_smp: apic_id=1
cmos_smp_count2=20/20
Found 20 cpu(s) max supported 20 cpu(s)
Copying PIR from 0x3ffbfc9c to 0x000f6720
Copying MPTABLE from 0x00006de8/3ffa64a0 to 0x000f64c0
Copying SMBIOS entry point from 0x00006de8 to 0x000f64a0
Scan for VGA option rom
Running option rom at c000:0003
Start SeaVGABIOS (version rel-1.8.0-0-g4c59f5d-20150219_092912-nilsson.home.kraxel.org)
enter vga_post:
a=00000010 b=0000ffff c=00000000 d=0000ffff ds=0000 es=f000 ss=0000
si=00000000 di=00006af0 bp=00000000 sp=00006d66 cs=f000 ip=d244 f=0000
VBE DISPI: bdf 00:02.0, bar 0
VBE DISPI: lfb_addr=fd000000, size 16 MB
Attempting to allocate VGA stack via pmm call to f000:d2f6
pmm call arg1=0
VGA stack allocated at ef430
Running option rom at c980:0003
Turning on vga text mode console
set VGA mode 3
SeaBIOS (version rel-1.8.0-0-g4c59f5d-dirty-20150311_164408-dgilbert-t530)
All threads complete.
Found 1 lpt ports
Found 1 serial ports
Searching bootorder for: /pci@i0cf8/isa@1/fdc@03f0/floppy@0
ATA controller 1 at 1f0/3f4/0 (irq 14 dev 9)
ATA controller 2 at 170/374/0 (irq 15 dev 9)
DVD/CD [ata1-0: QEMU DVD-ROM ATAPI-4 DVD/CD]
Searching bootorder for: /pci@i0cf8/*@1,1/drive@1/disk@0
PS2 keyboard initialized
All threads complete.
Scan for option roms
Running option rom at ca80:0003
pmm call arg1=1
pmm call arg1=0
pmm call arg1=1
pmm call arg1=0
Searching bootorder for: /pci@i0cf8/*@3
Searching bootorder for: /rom@genroms/kvmvapic.bin
Searching bootorder for: HALT
Running option rom at cb80:0003
Space available for UMB: ce000-ee800, f5fa0-f63c0
Returned 126976 bytes of ZoneHigh
e820 map has 7 items:
0: 0000000000000000 - 000000000009f800 = 1 RAM
1: 000000000009f800 - 00000000000a0000 = 2 RESERVED
2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
3: 0000000000100000 - 000000003ffdf000 = 1 RAM
4: 000000003ffdf000 - 0000000040000000 = 2 RESERVED
5: 00000000feffc000 - 00000000ff000000 = 2 RESERVED
6: 00000000fffc0000 - 0000000100000000 = 2 RESERVED
enter handle_19:
NULL
Booting from Hard Disk...
Boot failed: could not read the boot disk
enter handle_18:
NULL
Booting from Floppy...
floppy error: 40 00 00 00 00 01 02
Boot failed: could not read the boot disk
enter handle_18:
NULL
Booting from DVD/CD...
Device reports MEDIUM NOT PRESENT
scsi_is_ready returned -1
Boot failed: Could not read from CDROM (code 0003)
enter handle_18:
NULL
Booting from ROM...
Booting from ca80:0361
=========== Broken ===========
SeaBIOS (version rel-1.8.0-0-g4c59f5d-dirty-20150311_164408-dgilbert-t530)
No Xen hypervisor found.
Running on QEMU (i440fx)
Running on KVM
RamSize: 0x40000000 [cmos]
Relocating init from 0x000df4e0 to 0x3ffaf570 (size 68048)
Found QEMU fw_cfg
RamBlock: addr 0x0000000000000000 len 0x0000000040000000 [e820]
Moving pm_base to 0x600
CPU Mhz=2115
cmos_smp_count0=20
=== PCI bus & bridge init ===
PCI: pci_bios_init_bus_rec bus = 0x0
=== PCI device probing ===
Found 6 PCI devices (max PCI bus is 00)
=== PCI new allocation pass #1 ===
PCI: check devices
=== PCI new allocation pass #2 ===
PCI: IO: c000 - c04f
PCI: 32: 0000000080000000 - 00000000fec00000
PCI: map device bdf=00:03.0 bar 1, addr 0000c000, size 00000040 [io]
PCI: map device bdf=00:01.1 bar 4, addr 0000c040, size 00000010 [io]
PCI: map device bdf=00:03.0 bar 6, addr feb80000, size 00040000 [mem]
PCI: map device bdf=00:03.0 bar 0, addr febc0000, size 00020000 [mem]
PCI: map device bdf=00:02.0 bar 6, addr febe0000, size 00010000 [mem]
PCI: map device bdf=00:02.0 bar 2, addr febf0000, size 00001000 [mem]
PCI: map device bdf=00:02.0 bar 0, addr fd000000, size 01000000 [prefmem]
PCI: init bdf=00:00.0 id=8086:1237
PCI: init bdf=00:01.0 id=8086:7000
PIIX3/PIIX4 init: elcr=00 0c
PCI: init bdf=00:01.1 id=8086:7010
PCI: init bdf=00:01.3 id=8086:7113
Using pmtimer, ioport 0x608
PCI: init bdf=00:02.0 id=1234:1111
PCI: init bdf=00:03.0 id=8086:100e
PCI: Using 00:02.0 for primary VGA
cmos_smp_count=1
cmos_smp_count2=1/20
Found 1 cpu(s) max supported 20 cpu(s)
Copying PIR from 0x3ffbfc9c to 0x000f6720
Copying MPTABLE from 0x00006de8/3ffa64a0 to 0x000f64c0
Copying SMBIOS entry point from 0x00006de8 to 0x000f64a0
Scan for VGA option rom
Running option rom at c000:0003
Start SeaVGABIOS (version rel-1.8.0-0-g4c59f5d-20150219_092912-nilsson.home.kraxel.org)
enter vga_post:
a=00000010 b=0000ffff c=00000000 d=0000ffff ds=0000 es=f000 ss=0000
si=00000000 di=00006af0 bp=00000000 sp=00006d66 cs=f000 ip=d244 f=0000
VBE DISPI: bdf 00:02.0, bar 0
VBE DISPI: lfb_addr=fd000000, size 16 MB
Attempting to allocate VGA stack via pmm call to f000:d2f6
pmm call arg1=0
VGA stack allocated at ef430
Running option rom at c980:0003
Turning on vga text mode console
set VGA mode 3
SeaBIOS (version rel-1.8.0-0-g4c59f5d-dirty-20150311_164408-dgilbert-t530)
All threads complete.
Found 1 lpt ports
Found 1 serial ports
Searching bootorder for: /pci@i0cf8/isa@1/fdc@03f0/floppy@0
ATA controller 1 at 1f0/3f4/0 (irq 14 dev 9)
ATA controller 2 at 170/374/0 (irq 15 dev 9)
DVD/CD [ata1-0: QEMU DVD-ROM ATAPI-4 DVD/CD]
Searching bootorder for: /pci@i0cf8/*@1,1/drive@1/disk@0
PS2 keyboard initialized
All threads complete.
Scan for option roms
Running option rom at ca80:0003
pmm call arg1=1
pmm call arg1=0
pmm call arg1=1
pmm call arg1=0
Searching bootorder for: /pci@i0cf8/*@3
Searching bootorder for: /rom@genroms/kvmvapic.bin
Searching bootorder for: HALT
Running option rom at cb80:0003
Space available for UMB: ce000-ee800, f5fa0-f63c0
Returned 126976 bytes of ZoneHigh
e820 map has 7 items:
0: 0000000000000000 - 000000000009f800 = 1 RAM
1: 000000000009f800 - 00000000000a0000 = 2 RESERVED
2: 00000000000f0000 - 0000000000100000 = 2 RESERVED
3: 0000000000100000 - 000000003ffdf000 = 1 RAM
4: 000000003ffdf000 - 0000000040000000 = 2 RESERVED
5: 00000000feffc000 - 00000000ff000000 = 2 RESERVED
6: 00000000fffc0000 - 0000000100000000 = 2 RESERVED
> -Kevin
>
>
> --- a/src/fw/smp.c
> +++ b/src/fw/smp.c
> @@ -128,6 +128,7 @@ smp_setup(void)
>
> // Wait for other CPUs to process the SIPI.
> u8 cmos_smp_count = rtc_read(CMOS_BIOS_SMP_COUNT) + 1;
> + dprintf(1, "cmos_smp_count=%d\n", cmos_smp_count);
> while (cmos_smp_count != CountCPUs)
> asm volatile(
> // Release lock and allow other processors to use the stack.
> @@ -140,6 +141,8 @@ smp_setup(void)
> : "+m" (SMPLock), "+m" (SMPStack)
> : : "cc", "memory");
> yield();
> + dprintf(1, "cmos_smp_count2=%d/%d\n", cmos_smp_count
> + , rtc_read(CMOS_BIOS_SMP_COUNT) + 1);
>
> // Restore memory.
> *(u64*)BUILD_AP_BOOT_ADDR = old;
> diff --git a/src/post.c b/src/post.c
> index 9ea5620..dc11c72 100644
> --- a/src/post.c
> +++ b/src/post.c
> @@ -170,6 +170,7 @@ platform_hardware_setup(void)
> clock_setup();
>
> // Platform specific setup
> + dprintf(1, "cmos_smp_count0=%d\n", rtc_read(CMOS_BIOS_SMP_COUNT) + 1);
> qemu_platform_setup();
> coreboot_platform_setup();
> }
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2015-03-11 16:52 UTC|newest]
Thread overview: 157+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-05 22:14 E5-2620v2 - emulation stop error Andrey Korolyov
2015-03-05 22:14 ` [Qemu-devel] " Andrey Korolyov
2015-03-05 23:44 ` Andrey Korolyov
2015-03-05 23:44 ` [Qemu-devel] " Andrey Korolyov
2015-03-06 16:57 ` Bandan Das
2015-03-06 16:57 ` Bandan Das
2015-03-07 0:00 ` Andrey Korolyov
2015-03-10 14:24 ` Andrey Korolyov
2015-03-10 16:57 ` Dr. David Alan Gilbert
2015-03-10 18:08 ` Andrey Korolyov
2015-03-10 18:16 ` Dr. David Alan Gilbert
2015-03-10 18:21 ` Andrey Korolyov
2015-03-10 19:30 ` Paolo Bonzini
2015-03-10 18:10 ` Paolo Bonzini
2015-03-10 18:21 ` Bandan Das
2015-03-10 18:21 ` Bandan Das
2015-03-10 19:25 ` Paolo Bonzini
2015-03-10 19:25 ` Paolo Bonzini
2015-03-10 19:37 ` Dr. David Alan Gilbert
2015-03-10 20:29 ` Dr. David Alan Gilbert
2015-03-10 20:29 ` Dr. David Alan Gilbert
2015-03-11 2:38 ` Bandan Das
2015-03-11 2:38 ` Bandan Das
2015-03-11 13:45 ` Dr. David Alan Gilbert
2015-03-11 13:45 ` Dr. David Alan Gilbert
2015-03-11 15:42 ` Kevin O'Connor
2015-03-11 15:42 ` Kevin O'Connor
2015-03-11 15:53 ` Dr. David Alan Gilbert
2015-03-11 15:53 ` Dr. David Alan Gilbert
2015-03-11 16:37 ` Kevin O'Connor
2015-03-11 16:37 ` [Qemu-devel] " Kevin O'Connor
2015-03-11 16:52 ` Dr. David Alan Gilbert [this message]
2015-03-11 16:52 ` Dr. David Alan Gilbert
2015-03-11 17:37 ` Kevin O'Connor
2015-03-11 17:37 ` Kevin O'Connor
2015-03-11 17:41 ` Paolo Bonzini
2015-03-11 17:41 ` Paolo Bonzini
2015-03-11 17:59 ` Dr. David Alan Gilbert
2015-03-11 17:59 ` Dr. David Alan Gilbert
2015-03-11 18:24 ` Bandan Das
2015-03-11 18:24 ` Bandan Das
2015-03-11 18:40 ` Kevin O'Connor
2015-03-11 18:40 ` Kevin O'Connor
2015-03-11 18:45 ` Kevin O'Connor
2015-03-11 18:45 ` Kevin O'Connor
2015-03-11 19:19 ` Kevin O'Connor
2015-03-11 19:19 ` Kevin O'Connor
2015-03-11 19:33 ` Dr. David Alan Gilbert
2015-03-11 19:33 ` Dr. David Alan Gilbert
2015-03-11 19:47 ` Bandan Das
2015-03-11 19:47 ` Bandan Das
2015-03-11 19:47 ` Andrey Korolyov
2015-03-11 19:47 ` Andrey Korolyov
2015-03-11 19:59 ` Dr. David Alan Gilbert
2015-03-11 19:59 ` Dr. David Alan Gilbert
2015-03-11 20:09 ` Andrey Korolyov
2015-03-11 20:09 ` Andrey Korolyov
2015-03-12 9:59 ` Dr. David Alan Gilbert
2015-03-12 9:59 ` Dr. David Alan Gilbert
2015-03-12 10:47 ` Andrey Korolyov
2015-03-12 10:47 ` Andrey Korolyov
2015-03-16 19:17 ` Andrey Korolyov
2015-03-16 19:17 ` Andrey Korolyov
2015-03-16 19:26 ` Dr. David Alan Gilbert
2015-03-16 19:26 ` Dr. David Alan Gilbert
2015-03-25 20:43 ` Andrey Korolyov
2015-03-25 20:43 ` [Qemu-devel] " Andrey Korolyov
2015-03-25 20:46 ` Andrey Korolyov
2015-03-25 20:46 ` [Qemu-devel] " Andrey Korolyov
2015-03-25 20:54 ` Kevin O'Connor
2015-03-25 20:54 ` Kevin O'Connor
2015-03-25 22:31 ` Andrey Korolyov
2015-03-25 22:31 ` Andrey Korolyov
2015-03-25 23:02 ` Kevin O'Connor
2015-03-25 23:02 ` Kevin O'Connor
2015-03-25 23:35 ` Andrey Korolyov
2015-03-25 23:35 ` Andrey Korolyov
2015-03-26 0:05 ` Kevin O'Connor
2015-03-26 0:05 ` Kevin O'Connor
2015-03-26 15:58 ` Radim Krčmář
2015-03-26 15:58 ` Radim Krčmář
2015-03-26 16:36 ` Kevin O'Connor
2015-03-26 16:36 ` [Qemu-devel] " Kevin O'Connor
2015-03-26 16:48 ` Andrey Korolyov
2015-03-26 16:48 ` Andrey Korolyov
2015-03-26 17:06 ` Kevin O'Connor
2015-03-26 17:06 ` Kevin O'Connor
2015-03-26 17:08 ` Andrey Korolyov
2015-03-26 17:08 ` Andrey Korolyov
2015-03-26 17:18 ` Kevin O'Connor
2015-03-26 17:18 ` Kevin O'Connor
2015-03-26 17:33 ` Andrey Korolyov
2015-03-26 17:33 ` Andrey Korolyov
2015-03-26 17:40 ` Radim Krčmář
2015-03-26 17:40 ` Radim Krčmář
2015-03-26 18:24 ` Andrey Korolyov
2015-03-26 18:24 ` Andrey Korolyov
2015-03-26 20:40 ` Radim Krčmář
2015-03-26 20:40 ` Radim Krčmář
2015-03-26 21:03 ` Bandan Das
2015-03-26 21:03 ` Bandan Das
2015-03-27 10:16 ` Andrey Korolyov
2015-03-27 10:16 ` Andrey Korolyov
2015-03-30 18:56 ` Radim Krčmář
2015-03-30 18:56 ` [Qemu-devel] " Radim Krčmář
2015-03-30 19:32 ` Andrey Korolyov
2015-03-30 19:32 ` Andrey Korolyov
2015-03-31 13:45 ` Radim Krčmář
2015-03-31 13:45 ` [Qemu-devel] " Radim Krčmář
2015-03-31 14:56 ` Andrey Korolyov
2015-03-31 14:56 ` Andrey Korolyov
2015-03-31 16:45 ` Radim Krčmář
2015-03-31 16:45 ` [Qemu-devel] " Radim Krčmář
2015-03-31 17:40 ` Andrey Korolyov
2015-03-31 17:40 ` Andrey Korolyov
2015-03-31 18:01 ` Bandan Das
2015-03-31 18:01 ` Bandan Das
2015-03-31 18:04 ` Bandan Das
2015-03-31 18:04 ` [Qemu-devel] " Bandan Das
2015-03-31 18:23 ` Andrey Korolyov
2015-03-31 18:23 ` Andrey Korolyov
2015-04-01 11:49 ` Radim Krčmář
2015-04-01 11:49 ` Radim Krčmář
2015-04-01 12:05 ` Paolo Bonzini
2015-04-01 12:05 ` Paolo Bonzini
2015-04-01 12:26 ` Andrey Korolyov
2015-04-01 12:26 ` Andrey Korolyov
2015-04-01 13:19 ` Paolo Bonzini
2015-04-01 13:19 ` Paolo Bonzini
2015-04-01 15:37 ` Andrey Korolyov
2015-04-01 15:37 ` Andrey Korolyov
2015-04-01 16:29 ` Andrey Korolyov
2015-04-01 16:29 ` Andrey Korolyov
2015-04-01 22:58 ` Andrey Korolyov
2015-04-01 22:58 ` Andrey Korolyov
2015-04-05 14:12 ` Andrey Korolyov
2015-04-05 14:12 ` [Qemu-devel] " Andrey Korolyov
2015-03-27 11:54 ` Andrey Korolyov
2015-03-27 11:54 ` Andrey Korolyov
2015-03-30 19:28 ` Radim Krčmář
2015-03-30 19:28 ` Radim Krčmář
2015-03-26 17:35 ` Radim Krčmář
2015-03-26 17:35 ` Radim Krčmář
2015-03-26 17:34 ` Radim Krčmář
2015-03-26 17:34 ` Radim Krčmář
2015-03-26 2:47 ` Bandan Das
2015-03-26 2:47 ` Bandan Das
2015-03-26 9:18 ` Andrey Korolyov
2015-03-26 9:18 ` Andrey Korolyov
2015-03-26 15:05 ` Andrey Korolyov
2015-03-26 15:05 ` Andrey Korolyov
2015-03-11 17:09 ` Bandan Das
2015-03-11 17:09 ` Bandan Das
2015-03-11 17:32 ` Kevin O'Connor
2015-03-11 17:32 ` Kevin O'Connor
2015-03-11 18:01 ` Bandan Das
2015-03-11 18:01 ` Bandan Das
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150311165203.GL2334@work-vm \
--to=dgilbert@redhat.com \
--cc=andrey@xdel.ru \
--cc=bsd@redhat.com \
--cc=kevin@koconnor.net \
--cc=kraxel@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.