Your dom0 panic resembles :
6325383 panic: anon_decref dereferenced bad pointer
which was fixed in b68.
-surya
Jürgen Keil wrote:
>> Due to testing been done i have to go to conclusion
>> that SNV87 Dom0 won't provide a good performance for
>> Solaris HVM guests.
>> For SNV87 HVM (64-bit) guest i've got elasped time:-
>> 40 sec at Xen 3.2 CentOS 5.1 Dom0 vs 300 sec at SNV87 Dom0.
>>
>
> Hmm, on a 32-bit Xen 3.2 Gentoo Dom0, a 32-bit HVM SNV85 DomU
> needs ~ 60 seconds for the fork_100 test. The HVM SNV85 DomU
> kernel is using a virtual 3-level MMU with the PAE extension.
>
> Forcing the HVM SNV85 DomU kernel not to use the PAE MMU
> extension results in the fork_100 benchmark running twice as fast;
> now it runs in ~ 30 seconds.
>
> GRUB boot entry to force using 2-level MMU page tables in 32-bit mode:
>
> title Solaris Express Community Edition snv_85 X86 (32-bit, noPAE)
> kernel$ /platform/i86pc/kernel/unix -B disablePAE=true
> module$ /platform/i86pc/boot_archive
>
>
>
> The same test on a xVM 3.1.2 64-bit SNV_89 Dom0 crashed quite
> spectacular: First the 32-bit non-PAE HVM domU paniced, and after
> the HVM domU had written a crash dump and was destroyed the dom0
> kernel paniced, too.
>
> domU panic:
> ===========
>
> # mdb -k 0
> Loading modules: [ unix genunix specfs cpu.generic cpu_ms.AuthenticAMD.15
> uppc pcplusmp scsi_vhci ufs ip hook neti sctp arp usba uhci s1394 qlc fctl
> nca lofs ]
>
>> ::status
>>
> debugging crash dump vmcore.0 (32-bit) from xen-hvm
> operating system: 5.11 snv_85 (i86pc)
> panic message:
> BAD TRAP: type=e (#pf Page fault) rp=d5e635dc addr=113 occurred in module
> "genun
> ix" due to a NULL pointer dereference
> dump content: kernel pages only
>
>> $c
>>
> i_ddi_intr_get_supported_types+0xe(ffffffff)
> ddi_intr_alloc+0x83(ffffffff, d5f0b0f0, 1, 0, 1, d5e63768)
> ec_init+0xa6(ffffffff)
> xen_pv_init+0x1de()
> ::msgbuf
> ...
> MESSAGE
> SunOS Release 5.11 Version snv_85 32-bit
> Copyright 1983-2008 Sun Microsystems, Inc. All rights reserved.
> Use is subject to license terms.
> features:
> 10e7fff<cpuid,cx16,sse3,nx,sse2,sse,sep,pat,cx8,pae,mca,mmx,cmov,de,pg
> e,mtrr,msr,tsc,lgpg>
> mem = 523876K (0x1ff99000)
> root nexus = i86pc
> pseudo0 at root
> pseudo0 is /pseudo
> scsi_vhci0 at root
> scsi_vhci0 is /scsi_vhci
> isa0 at root
> pcplusmp: vector 0x9 ioapic 0x1 intin 0x9 is bound to cpu 0
> pseudo-device: acpippm0
> acpippm0 is /pseudo/[EMAIL PROTECTED]
> pseudo-device: ppm0
> ppm0 is /pseudo/[EMAIL PROTECTED]
> pci0 at root: space 0 offset 0
> pci0 is /[EMAIL PROTECTED],0
> pcplusmp: ide (ata) instance 0 vector 0xe ioapic 0x1 intin 0xe is bound to
> cpu 0
> IDE device at targ 0, lun 0 lastlun 0x0
> model QEMU HARDDISK
> ATA/ATAPI-7 supported, majver 0xf0 minver 0x16
> ata_set_feature: (0x66,0x0) failed
> ata_set_feature: (0x66,0x0) failed
> PCI-device: [EMAIL PROTECTED], ata0
> ata0 is /[EMAIL PROTECTED],0/[EMAIL PROTECTED],1/[EMAIL PROTECTED]
> UltraDMA mode 5 selected
> Disk0: <Vendor 'Gen-ATA ' Product 'QEMU HARDDISK '>
> cmdk0 at ata0 target 0 lun 0
> cmdk0 is /[EMAIL PROTECTED],0/[EMAIL PROTECTED],1/[EMAIL PROTECTED]/[EMAIL
> PROTECTED],0
> SMBIOS v2.4 loaded (285 bytes)
> /cpus (cpunex0) online
> pseudo-device: dld0
> dld0 is /pseudo/[EMAIL PROTECTED]
> pcplusmp: i8042 (i8042) instance 0 vector 0x1 ioapic 0x1 intin 0x1 is bound
> to c
> pu 0
> pcplusmp: i8042 (i8042) instance #0 vector 0xc ioapic 0x1 intin 0xc is bound
> to
> cpu 0
> 8042 device: [EMAIL PROTECTED], kb8042 # 0
> kb80420 is /isa/[EMAIL PROTECTED],60/[EMAIL PROTECTED]
> 8042 device: [EMAIL PROTECTED], mouse8042 # 0
> mouse80420 is /isa/[EMAIL PROTECTED],60/[EMAIL PROTECTED]
> NOTICE: Kernel debugger present: disabling console power management.
> NOTICE: MPO disabled because memory is interleaved
>
> cpu0: x86 (AuthenticAMD 40F33 family 15 model 67 step 3 clock 3207 MHz)
> cpu0: AMD Athlon(tm) 64 X2 Dual Core Processor 6400+
> workaround applied for cpu erratum #122
> workaround applied for cpu issue #6336786
> pcplusmp: pci10ec,8139 (rtls) instance 0 vector 0x20 ioapic 0x1 intin 0x20 is
> bo
> und to cpu 0
> NOTICE: rtls0 registered
> NOTICE: rtls0 link up, 100 Mbps, half duplex
> pseudo-device: devinfo0
> devinfo0 is /pseudo/[EMAIL PROTECTED]
> dump on /dev/dsk/c0d0s1 size 512 MB
>
> panic[cpu0]/thread=d6a1f800:
> BAD TRAP: type=e (#pf Page fault) rp=d5e635dc addr=113 occurred in module
> "genun
> ix" due to a NULL pointer dereference
>
>
> devices-local:
> #pf Page fault
> Bad kernel fault at addr=0x113
> pid=74, pc=0xfe8d80ae, sp=0x1, eflags=0x10286
> cr0: 8005003b<pg,wp,ne,et,ts,mp,pe> cr4: 6d8<xmme,fxsr,pge,mce,pse,de>
> cr2: 113
> cr3: 1c487000
>
> gs: 1b0 fs: 0 es: 160 ds: d5e60160
> edi: ffffffff esi: 1 ebp: d5e63698 esp: d5e63614
> ebx: ffffffff edx: d3c243b0 ecx: 0 eax: 0
> trp: e err: 0 eip: fe8d80ae cs: 158
> efl: 10286 usp: 1 ss: 1
>
> d5e6352c unix:die+98 (e, d5e635dc, 113, 0)
> d5e635c8 unix:trap+12a5 (d5e635dc, 113, 0)
> d5e635dc unix:cmntrap+7c (1b0, 0, 160, d5e601)
> d5e63698 genunix:i_ddi_intr_get_supported_types+e (ffffffff)
> d5e63724 genunix:ddi_intr_alloc+83 (ffffffff, d5f0b0f0,)
> d5e6376c xpv:ec_init+a6 (ffffffff)
>
> panic[cpu0]/thread=d6a1f800:
> BAD TRAP: type=e (#pf Page fault) rp=fec3ad20 addr=0 occurred in module
> "genunix
> " due to a NULL pointer dereference
>
> syncing file systems...
> [1]
> 1
> done (not all i/o completed)
> dumping to /dev/dsk/c0d0s1, offset 107413504, content: kernel
>
>
>
>
> Followed by:
>
> dom0 panic:
> ===========
>
> # mdb -k 1
> Loading modules: [ unix genunix specfs dtrace xpv_uppc xpv_psm scsi_vhci ufs
> sd ip hook neti sctp arp usba s1394 nca fctl zfs lofs audiosup md random
> crypto smbsrv nfs fcp fcip logindmux ptm nsctl sdbc sv ii sppp nsmb rdc ipc ]
>
>> ::status
>>
> debugging crash dump vmcore.1 (64-bit) from tiger2
> operating system: 5.11 snv_90_jk (i86pc)
> panic message:
> BAD TRAP: type=d (#gp General protection) rp=ffffff0010369b70
> addr=ffffff02e0a0b
> 940
> dump content: kernel pages only
>
>> $c
>>
> anon_decref+0x21(68732f6e696228)
> anon_free+0x81(ffffff02e0a0b940, 0, 1fe000)
> segvn_free+0x177(ffffff02df7e6440)
> seg_free+0x34(ffffff02df7e6440)
> segvn_unmap+0xa9f(ffffff02df7e6440, 7ffffe003000, 1fe000)
> as_unmap+0x10a(ffffff02df9620e0, 7ffffe003000, 1fe000)
> munmap+0x87(7ffffe003000, 1fe000)
> sys_syscall+0x1c9()
>
>
>> ::msgbuf
>>
> ...
> /xpvd/[EMAIL PROTECTED],768 (xdb0) online
> /xpvd/[EMAIL PROTECTED],5632 (xdb1) online
> /xpvd/[EMAIL PROTECTED],0 (xnbe0) online
> NOTICE: vnic1005 registered
> NOTICE: vnic1005 unregistered
> NOTICE: vnic1007 registered
> /xpvd/[EMAIL PROTECTED],0 (xnbe0) offline
> /xpvd/[EMAIL PROTECTED],768 (xdb0) offline
> /xpvd/[EMAIL PROTECTED],5632 (xdb1) offline
> NOTICE: vnic1007 unregistered
> /xpvd/[EMAIL PROTECTED],768 (xdb0) online
> /xpvd/[EMAIL PROTECTED],5632 (xdb1) online
> /xpvd/[EMAIL PROTECTED],0 (xnbe0) online
>
> panic[cpu0]/thread=ffffff02de1cbe00:
> BAD TRAP: type=d (#gp General protection) rp=ffffff0010369b70
> addr=ffffff02e0a0b
> 940
>
>
> python:
> #gp General protection
> addr=0xffffff02e0a0b940
> pid=1042, pc=0xfffffffffbaae2e1, sp=0xffffff0010369c60, eflags=0x10216
> cr0: 8005003b<pg,wp,ne,et,ts,mp,pe> cr4: 660<xmme,fxsr,mce,pae>
> cr2: 7ffffee43258
>
> rdi: 68732f6e696228 rsi: 0 rdx: 0
> rcx: 0 r8: 7ffff r9: ffffff02c7465000
> rax: 0 rbx: 68732f6e696228 rbp: ffffff0010369c90
> r10: 1fe r11: 200 r12: 68732f6e696228
> r13: 0 r14: ffffff0010369cd0 r15: ffffff02e0a0b940
> fsb: 7ffffee44200 gsb: fffffffffbc5c070 ds: 4b
> es: 4b fs: 0 gs: 0
> trp: d err: 0 rip: fffffffffbaae2e1
> cs: e030 rfl: 10216 rsp: ffffff0010369c60
> ss: e02b
>
> ffffff0010369a50 unix:die+ea ()
> ffffff0010369b60 unix:trap+3e4 ()
> ffffff0010369b70 unix:_cmntrap+12f ()
> ffffff0010369c90 genunix:anon_decref+21 ()
> ffffff0010369cf0 genunix:anon_free+81 ()
> ffffff0010369d40 genunix:segvn_free+177 ()
> ffffff0010369d70 genunix:seg_free+34 ()
> ffffff0010369e20 genunix:segvn_unmap+a9f ()
> ffffff0010369ec0 genunix:as_unmap+10a ()
> ffffff0010369f00 genunix:munmap+87 ()
> ffffff0010369f10 unix:brand_sys_syscall+261 ()
>
> syncing file systems...
> 4
> done
> dumping to /dev/dsk/c9t0d0s1, offset 860356608, content: kernel
>
>
> This message posted from opensolaris.org
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