Re: firefox-2 causes panic on ia64 8.0-beta2

On Thu, Jul 30, 2009 at 06:18:20PM +0100, Anton Shterenlikht wrote:
> On ia64 SMP 8.0-beta2, firefox-2.0.0.20_8,1 causes this panic:
> 
> KDB: enter: panic
> [thread pid 74296 tid 100167 ]
> Stopped at      kdb_enter+0x92: [I2]    addl r14=0xffffffffffe1f0d0,gp ;;
> db> trace
> Tracing pid 74296 tid 100167 td 0xe000000019cfcb10
> kdb_enter(0xe00000000482af58, 0xe00000000482af58, 0xe00000000438ac80, 0x793) at
> kdb_enter+0x92
> panic(0xe000000004863330, 0x0, 0xe000000004863308, 0x5cf) at panic+0x2f0
> ia64_highfp_drop(0xe000000019cfcb10) at ia64_highfp_drop+0x100
> cpu_thread_exit(0xe000000019cfcb10, 0xe0000000043a7be0, 0x50e, 0x15a) at cpu_thr
> 
> ead_exit+0x20
> thread_exit(0xe00000000482c388, 0xe00000000482b008, 0xe00000001614a4f0, 0xe00000
> 
> 0019cfcb10) at thread_exit+0x130
> thr_exit(0xe00000001614a468, 0xe00000001614a540, 0xe00000000482c360, 0xe00000001
> 
> 614a448) at thr_exit+0x120
> syscall(0xa0000000c3abb400, 0x1af, 0x2000000041d9c7b0, 0xe000000019cfcb10, 0xe00
> 
> 000001614a448, 0xe000000004926ef8, 0x1af, 0xa0000000c3abb4e8) at syscall+0x3e0
> epc_syscall_return() at epc_syscall_return
> db>

forgot to add the beginning. Also to confirm that this panic is reproducible.

panic: Inconsistent high FP state
cpuid = 0
KDB: stack backtrace:
db_trace_self(0xe0000000041371e0) at db_trace_self+0x20
db_trace_self_wrapper(0xe0000000043ec010) at db_trace_self_wrapper+0x70
kdb_backtrace(0xe000000004976240, 0xe00000000438ac30, 0x793, 0xe000000004b57190)
 at kdb_backtrace+0xc0
panic(0xe000000004863330, 0x0, 0xe000000004863308, 0x5cf) at panic+0x2a0
ia64_highfp_drop(0xe0000000141d6000) at ia64_highfp_drop+0x100
cpu_thread_exit(0xe0000000141d6000, 0xe0000000043a7be0, 0x50e, 0x15a) at cpu_thr
ead_exit+0x20
thread_exit(0xe00000000482c388, 0xe00000000482b008, 0xe00000001187ad80, 0xe00000
00141d6000) at thread_exit+0x130
thr_exit(0xe00000001187acf8, 0xe00000001187add0, 0xe00000000482c360, 0xe00000001
187acd8) at thr_exit+0x120
syscall(0xa0000000c39ab400, 0x1af, 0x2000000041d9c7b0, 0xe0000000141d6000, 0xe00
000001187acd8, 0xe000000004926ef8, 0x1af, 0xa0000000c39ab4e8) at syscall+0x3e0
epc_syscall_return() at epc_syscall_return
KDB: enter: panic
[thread pid 1126 tid 100133 ]
Stopped at      kdb_enter+0x92: [I2]    addl r14=0xffffffffffe1f0d0,gp ;;
db>

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 928 8233 
Fax: +44 (0)117 929 4423