I've managed to build up a basic install of FreeBSD-current from yesterday under Xen. The kernel unfortunately panics on startup when the network interface is probed; it boots to completion fine when no interface is configured in the Xen config file. Configuration file: kernel = "/home/adrian/xen/kernel.current" memory = 256 name = "freebsd" vif = [ 'mac=00:bd:c4:12:00:ef,bridge=xenbr0' ] disk = [ 'phy:/dev/hosting2_data2/XEN_freebsd,hda,w' ] on_crash = 'preserve' extra = "boot_verbose=1" extra += ",vfs.root.mountfrom=ufs:/dev/ad0s1a" extra += ",kern.hz=100" Dmesg and stuff follows: [root_at_hosting-2 xen]# xm console freebsd WARNING: loader(8) metadata is missing! GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 1992-2009 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 8.0-CURRENT #0: Sun May 17 09:43:08 UTC 2009 adrian_at_agnus.home.cacheboy.net:/home/adrian/work/freebsd/xen/obj/home/adrian/work/freebsd/xen/src/sys/XEN WARNING: WITNESS option enabled, expect reduced performance. Xen reported: 1674.429 MHz processor. Timecounter "ixen" frequency 1000000000 Hz quality 0 CPU: AMD Athlon(tm) XP 2000+ (1674.43-MHz 686-class CPU) Origin = "AuthenticAMD" Id = 0x662 Stepping = 2 Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE> AMD Features=0xc0400800<SYSCALL,MMX+,3DNow!+,3DNow!> Data TLB: 32 entries, fully associative Instruction TLB: 16 entries, fully associative L1 data cache: 64 kbytes, 64 bytes/line, 1 lines/tag, 2-way associative L1 instruction cache: 64 kbytes, 64 bytes/line, 1 lines/tag, 2-way associative L2 internal cache: 256 kbytes, 64 bytes/line, 1 lines/tag, 8-way associative real memory = 268435456 (256 MB) Physical memory chunk(s): 0x00000000006aa000 - 0x000000000fb3bfff, 256450560 bytes (62610 pages) avail memory = 254377984 (242 MB) APIC: Using the MPTable enumerator. SMP: Added CPU 0 (BSP) ULE: setup cpu 0 cpu=0 irq=0 vector=0 cpu=0 irq=0 vector=1 Event-channel device installed. random: <entropy source, Software, Yarrow> kbd0 at kbdmux0 mem: <memory> Pentium Pro MTRR support enabled nfslock: pseudo-device null: <null device, zero device> io: <I/O> Grant table initialized xenbus0: <Xen Devices> on motherboard xc0: <Xen Console> on motherboard npx0: INT 16 interface Device configuration finished. procfs registered Timecounters tick every 10.000 msec lo0: bpf attached xbd0: 10240MB <Virtual Block Device> at device/vbd/768 on xenbus0 xbd0: attaching as ad0 GEOM: new disk ad0 xn0: <Virtual Network Interface> at device/vif/0 on xenbus0 xn0: bpf attached xn0: Ethernet address: 00:bd:c4:12:00:ef WARNING: WITNESS option enabled, expect reduced performance. flowtable cleaner started Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex xennetif_rx (network receive lock) r = 0 (0xc18580b4) locked _at_ /home/adrian/work/freebsd/xen/src/sys/dev/xen/netfront/netfront.c:1123 KDB: stack backtrace: X_db_sym_numargs(c035ef81,cbe5daf0,c0111b25,c038262f,463,...) at X_db_sym_numargs+0x146 kdb_backtrace(c038262f,463,ffffffff,c05104fc,cbe5db28,...) at kdb_backtrace+0x29 witness_display_spinlock(c03613ca,cbe5db3c,4,1,0,...) at witness_display_spinlock+0x75 witness_warn(5,0,c038acd6,c17d8b00,c,...) at witness_warn+0x1fd trap(cbe5dbc4) at trap+0x13e alltraps(c1858000,cbe5dcc8,c00c3854,c03d4200,c175a738,...) at alltraps+0x1b intr_event_execute_handlers(c17097ec,c175a700,c03577af,4dd,c175a770,...) at intr_event_execute_handlers+0x125 intr_event_add_handler(c1768490,cbe5dd38,c03574ec,336,c17097ec,...) at intr_event_add_handler+0x41f fork_exit(c00afd10,c1768490,cbe5dd38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xcbe5dd70, ebp = 0 --- Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x0 fault code = supervisor write, page not present instruction pointer = 0x21:0xc0301037 stack pointer = 0x29:0xcbe5dc04 frame pointer = 0x29:0xcbe5dca0 code segment = base 0x0, limit 0xf67ff, type 0x1b = DPL 1, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 12 (irq134: xn) [thread pid 12 tid 100023 ] Stopped at xlvbd_add+0x3747: movl %edx,0(%esi) db> xccncheckc:155 xccncheckc:155 bt: Tracing pid 12 tid 100023 td 0xc175b000 xlvbd_add(c1858000,cbe5dcc8,c00c3854,c03d4200,c175a738,...) at xlvbd_add+0x3747 intr_event_execute_handlers(c17097ec,c175a700,c03577af,4dd,c175a770,...) at intr_event_execute_handlers+0x125 intr_event_add_handler(c1768490,cbe5dd38,c03574ec,336,c17097ec,...) at intr_event_add_handler+0x41f fork_exit(c00afd10,c1768490,cbe5dd38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xcbe5dd70, ebp = 0 --- ps: pid ppid pgrp uid state wmesg wchan cmd 20 0 0 0 SL flowclea 0xc03d00e4 [flowcleaner] 19 0 0 0 SL sdflush 0xc05484e0 [softdepflush] 18 0 0 0 SL vlruwt 0xc18867ec [vnlru] 17 0 0 0 SL syncer 0xc053c750 [syncer] 16 0 0 0 SL psleep 0xc053c488 [bufdaemon] 9 0 0 0 SL pgzero 0xc0549164 [pagezero] 8 0 0 0 SL psleep 0xc0548d3c [vmdaemon] 7 0 0 0 SL psleep 0xc0548d04 [pagedaemon] 6 0 0 0 SL waiting_ 0xc053e5bc [sctp_iterator] 5 0 0 0 SL balloon 0xc02fc590 [balloon] 15 0 0 0 SL xbread 0xc0621000 [xenbus] 14 0 0 0 SL waitev 0xc054c000 [xenwatch] 13 0 0 0 SL - 0xc03d00e4 [yarrow] 4 0 0 0 SL - 0xc03cdea4 [g_down] 3 0 0 0 SL - 0xc03cdea0 [g_up] 2 0 0 0 RL [g_event] 12 0 0 0 RL (threaded) intr 100023 Run CPU 0 [irq134: xn] 100022 I [irq133: xbd] xccncheckc:155 100019 I [irq131: xencons] xccncheckc:155 100016 I [irq130: xenbus] 100015 I [swi6: Giant taskq] 100013 I [swi5: +] 100011 I [swi6: task queue] 100006 I [swi3: vm] 100005 I [swi1: net] 100004 I [swi4: clock] 11 0 0 0 RL [idle: cpu0] 1 0 0 0 SL g_waitid 0xc03cdde4 [kernel] 10 0 0 0 SL audit_wo 0xc0547e80 [audit] 0 0 0 0 SLs (threaded) kernel 100014 D - 0xc1747c80 [thread taskq] 100012 D - 0xc1747d40 [kqueue taskq] 100000 D sched 0xc03cdf40 [swapper]Received on Sun May 17 2009 - 08:27:58 UTC
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