panic in single user boot after make buildworld, buildkernel, installkernel

[Anton Shterenlikht]

On Thu, Jan 28, 2010 at 05:03:09PM +0000, Anton Shterenlikht wrote:
> I just updated src on blade 1500,
> made buildworld, buildkernel, installkernel,
> no problem there. 
> 
> On reboot in single user mode I get this panic:
> 
> uart0: console (9600,n,8,1)
> uart1: <16550 or compatible> at port 0x2e8-0x2ef irq 44 on isa0
> uart1: [FILTER]
> Timecounter "tick" frequency 1503000000 Hz quality 1000
> Timecounters tick every 1.000 msec
> IP Filter: v4.1.28 initialized.  Default = block all, Logging = enabled
> usbus0: 12Mbps Full Speed USB v1.0
> panic: blockable sleep lock (sleep mutex) system map @ /usr/src/sys/vm/vm_map.c:3532
> KDB: enter: panic
> [thread pid 11 tid 100027 ]
> Stopped at      kdb_enter+0x80: ta              %xcc, 1
> db> 
> db> bt
> Tracing pid 11 tid 100027 td 0xfffff80002110000
> panic() at panic+0x158
> witness_checkorder() at witness_checkorder+0x108
> _mtx_lock_flags() at _mtx_lock_flags+0x110
> _vm_map_lock_read() at _vm_map_lock_read+0x1c
> vm_map_lookup() at vm_map_lookup+0x4c
> vm_fault() at vm_fault+0x70
> trap_pfault() at trap_pfault+0x338
> trap() at trap+0x354
> -- fast data access mmu miss tar=0xdeadc000 %o7=0xc02276dc --
> _thread_lock_flags() at _thread_lock_flags+0x240
> sleepq_signal() at sleepq_signal+0x1a4
> cv_signal() at cv_signal+0x2c
> _sema_post() at _sema_post+0x50
> ata_completed() at ata_completed+0xad4
> ata_finish() at ata_finish+0x58
> ata_interrupt() at ata_interrupt+0x13c
> ata_generic_intr() at ata_generic_intr+0x18
> intr_event_execute_handlers() at intr_event_execute_handlers+0x150
> ithread_loop() at ithread_loop+0xf8
> fork_exit() at fork_exit+0x9c
> fork_trampoline() at fork_trampoline+0x8
> db>     

just to say that booting kernel.old helps
This is r203111.

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423