Xen 8 & 9 DomU kernel panic with 2 or more virtual CPU
masterito
admin at masterito.spb.ru
Fri May 14 11:48:04 UTC 2010
Hello.
I have the same problem, but other error.
When I create machine with 1 CPU (vcpus=1) - all work fine, but when
I create machine with 4 CPU (vcpus=4) I see kernel panic on console:
APIC: Using the MPTable enumerator.
SMP: Added CPU 0 (BSP)
SMP: Added CPU 1 (AP)
SMP: Added CPU 2 (AP)
SMP: Added CPU 3 (AP)
gdtpfn=3df8cb pdptpfn=f63f4
panic: HYPERVISOR_vcpu_op(VCPUOP_initialise, cpu,
&ctxt): /usr/src/sys/i386/xen/mp_machdep.c:929
cpuid = 0
KDB: enter: panic
[thread pid 0 tid 0 ]
Stopped at kdb_enter+0x3a: movl $0,kdb_why
db>
---
Vasilyev Igor
> The last time I checked, FreeBSD/DomU was highly buggy, and this
> includes SMP support.
>
> I never managed to get around to figuring out what wasn't being locked
> correctly. :/
>
>
> Adrian
>
>
> On 1 April 2010 00:49, Guillaume Seigneuret <g... at omegacube.fr> wrote:
> > Dear all,
> >
> >
> >
> > When I try to make FreeBSD work in Xen domU with multiple vcups, I got a
> > kernel panic. If someone have a clue .
> >
> >
> >
> > I got the following error :
> >
> >
> >
> > WARNING: loader(8) metadata is missing!
> >
> > GDB: no debug ports present
> >
> > KDB: debugger backends: ddb
> >
> > KDB: current backend: ddb
> >
> > Copyright (c) 1992-2010 The FreeBSD Project.
> >
> > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> >
> > The Regents of the University of California. All rights reserved.
> >
> > FreeBSD is a registered trademark of The FreeBSD Foundation.
> >
> > FreeBSD 9.0-CURRENT #1: Tue Mar 23 20:38:17 CET 2010
> >
> > drgk... at redproxy2:/usr/obj/usr/src/sys/XEN i386
> >
> > WARNING: WITNESS option enabled, expect reduced performance.
> >
> > Xen reported: 2526.982 MHz processor.
> >
> > Timecounter "ixen" frequency 1000000000 Hz quality 0
> >
> > CPU: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz (2526.98-MHz 686-class
> > CPU)
> >
> > Origin = "GenuineIntel" Id = 0x106e5 Family = 6 Model = 1e Stepping =
> > 5
> >
> >
> > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA
> > ,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> >
> >
> > Features2=0x98e3fd<SSE3,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PD
> > CM,SSE4.1,SSE4.2,POPCNT>
> >
> > AMD Features=0x28100000<NX,RDTSCP,LM>
> >
> > AMD Features2=0x1<LAHF>
> >
> > TSC: P-state invariant
> >
> >
> >
> > Data TLB: 4 KB pages, 4-way set associative, 64 entries
> >
> > 1st-level data cache: 32 KB, 8-way set associative, 64 byte line size
> >
> > L2 cache: 256 kbytes, 8-way associative, 64 bytes/line
> >
> > real memory = 536870912 (512 MB)
> >
> > Physical memory chunk(s):
> >
> > 0x00000000007f0000 - 0x000000001f638fff, 518295552 bytes (126537 pages)
> >
> > avail memory = 515362816 (491 MB)
> >
> > APIC: Using the MPTable enumerator.
> >
> > SMP: Added CPU 0 (BSP)
> >
> > ULE: setup cpu 0
> >
> > [XEN] IPI cpu=0 irq=128 vector=RESCHEDULE_VECTOR (0)
> >
> > [XEN] IPI cpu=0 irq=129 vector=CALL_FUNCTION_VECTOR (1)
> >
> > Event-channel device installed.
> >
> > mem: <memory>
> >
> > Pentium Pro MTRR support enabled
> >
> > nfslock: pseudo-device
> >
> > null: <null device, zero device>
> >
> > random: <entropy source, Software, Yarrow>
> >
> > io: <I/O>
> >
> > crypto: <crypto core>
> >
> > Grant table initialized
> >
> > xenbus0: <Xen Devices> on motherboard
> >
> > xc0: <Xen Console> on motherboard
> >
> > kernel trap 12 with interrupts disabled
> >
> > Fatal trap 12: page fault while in kernel mode
> >
> > cpuid = 0; apic id = 00
> >
> > fault virtual address = 0x8
> >
> > fault code = supervisor read, page not present
> >
> > instruction pointer = 0x21:0xc0389142
> >
> > stack pointer = 0x29:0xc06c6ad8
> >
> > frame pointer = 0x29:0xc06c6af0
> >
> > code segment = base 0x0, limit 0xfffff, type 0x1b
> >
> > = DPL 1, pres 1, def32 1, gran 1
> >
> > processor eflags = resume, IOPL = 0
> >
> > current process = 0 (swapper)
> >
> > [ thread pid 0 tid 100000 ]
> >
> > Stopped at intr_execute_handlers+0x12: movl 0x8(%ebx),%eax
> >
> > db>
> >
> > db>
> >
> > db> show alllocks
> >
> > Process 0 (kernel) thread 0xc044f430 (100000)
> >
> > exclusive sleep mutex Giant (Giant) r = 0 (0xc0450c50) locked @
> > /usr/src/sys/kern/kern_module.c:117
> >
> >
> >
> >
> >
> > Or :
> >
> >
> >
> > Started domain RedProxy2 (id=23)
> >
> > WARNING: loader(8) metadata is missing!
> >
> > GDB: no debug ports present
> >
> > KDB: debugger backends: ddb
> >
> > KDB: current backend: ddb
> >
> > Copyright (c) 1992-2010 The FreeBSD Project.
> >
> > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> >
> > The Regents of the University of California. All rights reserved.
> >
> > FreeBSD is a registered trademark of The FreeBSD Foundation.
> >
> > FreeBSD 9.0-CURRENT #1: Tue Mar 23 20:38:17 CET 2010
> >
> > drgk... at redproxy2:/usr/obj/usr/src/sys/XEN i386
> >
> > WARNING: WITNESS option enabled, expect reduced performance.
> >
> > Xen reported: 2526.984 MHz processor.
> >
> > Timecounter "ixen" frequency 1000000000 Hz quality 0
> >
> > CPU: Intel(R) Xeon(R) CPU X3440 @ 2.53GHz (2526.98-MHz 686-class
> > CPU)
> >
> > Origin = "GenuineIntel" Id = 0x106e5 Family = 6 Model = 1e Stepping =
> > 5
> >
> >
> > Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA
> > ,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
> >
> >
> > Features2=0x98e3fd<SSE3,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PD
> > CM,SSE4.1,SSE4.2,POPCNT>
> >
> > AMD Features=0x28100000<NX,RDTSCP,LM>
> >
> > AMD Features2=0x1<LAHF>
> >
> > TSC: P-state invariant
> >
> >
> >
> > Data TLB: 4 KB pages, 4-way set associative, 64 entries
> >
> > 1st-level data cache: 32 KB, 8-way set associative, 64 byte line size
> >
> > L2 cache: 256 kbytes, 8-way associative, 64 bytes/line
> >
> > real memory = 536870912 (512 MB)
> >
> > Physical memory chunk(s):
> >
> > 0x00000000007f0000 - 0x000000001f638fff, 518295552 bytes (126537 pages)
> >
> > avail memory = 515362816 (491 MB)
> >
> > APIC: Using the MPTable enumerator.
> >
> > SMP: Added CPU 0 (BSP)
> >
> > SMP: Added CPU 1 (AP)
> >
> > gdtpfn=219746 pdptpfn=5cc05
> >
> > panic: HYPERVISOR_vcpu_op(VCPUOP_initialise, cpu, &ctxt):
> > /usr/src/sys/i386/xen/mp_machdep.c:927
> >
> > cpuid = 0
> >
> > KDB: enter: panic
> >
> >
> >
> > Here are the kernel informations :
> >
> > uname -a
> >
> > FreeBSD RedProxy2 9.0-CURRENT FreeBSD 9.0-CURRENT
> >
> >
> >
> > Kernel conf :
> >
> > #
> >
> > # XEN -- Kernel configuration for i386 XEN DomU
> >
> > #
> >
> > # $FreeBSD: src/sys/i386/conf/XEN,v 1.13 2010/03/13 09:21:00 ed Exp $
> >
> >
> >
> > cpu I686_CPU
> >
> > ident XEN
> >
> >
> >
> > makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
> >
> > makeoptions MODULES_OVERRIDE=""
> >
> >
> >
> > options SCHED_ULE # ULE scheduler
> >
> > options PREEMPTION # Enable kernel thread preemption
> >
> > #options SCHED_4BSD
> >
> >
> >
> > options INET # InterNETworking
> >
> > options INET6 # IPv6 communications protocols
> >
> > options SCTP # Stream Control Transmission Protocol
> >
> > options FFS # Berkeley Fast Filesystem
> >
> > options SOFTUPDATES # Enable FFS soft updates support
> >
> > options UFS_ACL # Support for access control lists
> >
> > options UFS_DIRHASH # Improve performance on big directories
> >
> > options UFS_GJOURNAL # Enable gjournal-based UFS journaling
> >
> > options NFSCLIENT # Network Filesystem Client
> >
> > options NFSSERVER # Network Filesystem Server
> >
> > options NFSLOCKD # Network Lock Manager
> >
> > options NFS_ROOT # NFS usable as /, requires NFSCLIENT
> >
> > options MSDOSFS # MSDOS Filesystem
> >
> > options CD9660 # ISO 9660 Filesystem
> >
> > options PROCFS # Process filesystem (requires
> > PSEUDOFS)
> >
> > options PSEUDOFS # Pseudo-filesystem framework
> >
> > options GEOM_PART_GPT # GUID Partition Tables.
> >
> > options GEOM_LABEL # Provides labelization
> >
> > options COMPAT_FREEBSD4 # Compatible with FreeBSD4
> >
> > options COMPAT_FREEBSD5 # Compatible with FreeBSD5
> >
> > options COMPAT_FREEBSD6 # Compatible with FreeBSD6
> >
> > options COMPAT_FREEBSD7 # Compatible with FreeBSD7
> >
> > options KTRACE # ktrace(1) support
> >
> > options STACK # stack(9) support
> >
> > options SYSVSHM # SYSV-style shared memory
> >
> > options SYSVMSG # SYSV-style message queues
> >
> > options SYSVSEM # SYSV-style semaphores
> >
> > options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
> >
> > options KBD_INSTALL_CDEV # install a CDEV entry in /dev
> >
> > options AUDIT # Security event auditing
> >
> >
> >
> > # Debugging for use in -current
> >
> > options KDB # Enable kernel debugger support.
> >
> > options DDB # Support DDB.
> >
> > options GDB # Support remote GDB.
> >
> > options DEADLKRES # Enable the deadlock resolver
> >
> > options INVARIANTS # Enable calls of extra sanity checking
> >
> > options INVARIANT_SUPPORT # Extra sanity checks of internal
> > structures, required by INVARIANTS
> >
> > options WITNESS # Enable checks to detect deadlocks
> > and cycles
> >
> > options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed
> >
> >
> >
> > options PAE
> >
> > nooption NATIVE
> >
> > option XEN
> >
> > nodevice atpic
> >
> > nodevice isa
> >
> > options MCLSHIFT=12
> >
> >
> >
> > # To make an SMP kernel, the next two lines are needed
> >
> > options SMP # Symmetric MultiProcessor Kernel
> >
> > device apic # I/O APIC
> >
> >
> >
> >
> >
> > #device atkbdc # AT keyboard controller
> >
> > #device atkbd # AT keyboard
> >
> > device psm # PS/2 mouse
> >
> > device pci
> >
> >
> >
> > #device kbdmux # keyboard multiplexer
> >
> >
> >
> > # Pseudo devices.
> >
> > device loop # Network loopback
> >
> > device random # Entropy device
> >
> > device ether # Ethernet support
> >
> > device tun # Packet tunnel.
> >
> > device pty # Pseudo-ttys (telnet etc)
> >
> > device md # Memory "disks"
> >
> > device gif # IPv6 and IPv4 tunneling
> >
> > device faith # IPv6-to-IPv4 relaying (translation)
> >
> >
> >
> > # The `bpf' device enables the Berkeley Packet Filter.
> >
> > # Be aware of the administrative consequences of enabling this!
> >
> > # Note that 'bpf' is required for DHCP.
> >
> > device bpf # Berkeley packet filter
> >
> >
> >
> > device pf
> >
> > device pfsync
> >
> > device pflog
> >
> > device carp
> >
> >
> >
> > option IPSEC
> >
> > option IPSEC_ESP
> >
> > device crypto
> >
> >
> >
> > options ALTQ
> >
> > options ALTQ_CBQ # Class Bases Queuing (CBQ)
> >
> > options ALTQ_RED # Random Early Detection (RED)
> >
> > options ALTQ_RIO # RED In/Out
> >
> > options ALTQ_HFSC # Hierarchical Packet Scheduler (HFSC)
> >
> > options ALTQ_PRIQ # Priority Queuing (PRIQ)
> >
> > options ALTQ_NOPCC # Required for SMP build
> >
> >
> >
> > Informations about the Xen domU :
> >
> >
> >
> > Xen 3.4 amd 64 with 2.6.32-3-xen-amd64 linux kernel.
> >
> >
> >
> >
> >
> > Thanks by advance.
> >
> >
> >
> > Regards,
> >
> >
> > Guillaume Seigneuret
> >
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