[XEN] xs_single device/vbd xs_talkv read_reply panic: bad stray interrupt

Brad Pitney pitney.brad at googlemail.com
Fri Aug 22 23:32:42 UTC 2008

WARNING: loader(8) metadata is missing!
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
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FreeBSD 8.0-CURRENT #0: Fri Aug 22 21:33:48 UTC 2008
    root at test:/usr/obj/usr/src/sys/XEN
WARNING: WITNESS option enabled, expect reduced performance.
Xen reported: 1799.493 MHz processor.
Timecounter "ixen" frequency 1000000000 Hz quality 0
CPU: AMD Sempron(tm) Processor 3000+ (1799.49-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x20fc2  Stepping = 2
  AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow!+,3DNow!>
  AMD Features2=0x1<LAHF>
real memory  = 268435456 (256 MB)
avail memory = 255016960 (243 MB)
kbd0 at kbdmux0
xc0: <Xen Console> on motherboard
Timecounters tick every 10.000 msec
[XEN] Initialising virtual ethernet driver.
xs_single device xs_talkv read_reply event=1 itype=1 htype=1 len=16
xs_single device/vbd xs_talkv read_reply panic: bad stray interrupt
cpuid = 0
KDB: enter: panic
[thread pid 0 tid 100000 ]
Stopped at      kdb_enter+0x3a: movl    $0,kdb_why
db> bt
Tracing pid 0 tid 100000 td 0xc03ae260
kdb_enter(c0340f2d,c0340f2d,c033d73c,c059ab40,0,...) at kdb_enter+0x3a
panic(c033d73c,c03ae260,c16a102c,c1721200,81,...) at panic+0x12c
intr_event_handle(c1721200,c059aba8,c03ae304,c0692000,0,...) at
intr_execute_handlers(c16a102c,c059aba8,0,3,c16a102c,...) at
evtchn_do_upcall(c059aba8) at evtchn_do_upcall+0xad
Xhypervisor_callback(c16dc0c8,10,2,0,c059acac,...) at Xhypervisor_callback+0x35
xs_init(c0363c1f,c00e1c49,c051fb00,8,c0363bba,...) at xs_init+0x350
xs_init(c1681480,0,c0363bba,115,1,...) at xs_init+0x8c7
xs_init(1,c059acfc,c1681480,b,c036fdac,...) at xs_init+0xc53
xs_resume(c059acfc,c0381ca0,0,c036fdac,fffffff,...) at xs_resume+0xf0
xenbus_directory(0,c03431d8,c166b030,c059ad34,c166b020,...) at
xenbus_probe_devices(c039ff80,c033f859,86,c039ff80,c036fdac,...) at
xenbus_probe_devices(0,800,800,59f000,0,...) at xenbus_probe_devices+0x15c
mi_startup(59f000,0,0,0,0,...) at mi_startup+0x96
btext() at btext+0x95

this is on a NetBSD/Xen dom0 AMD64 current/4.99.72 with Xen 3.3.0,
which is the latest in pkgsrc, there is no 3.2 :(

the domain is paused, and ready to supply any more info, etc.

Best regards,

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