* unaligned problem in linux2.4.18?
@ 2004-01-20 1:14 wei liu
2004-01-20 1:14 ` wei liu
2004-01-20 12:35 ` Ralf Baechle
0 siblings, 2 replies; 3+ messages in thread
From: wei liu @ 2004-01-20 1:14 UTC (permalink / raw)
To: linux-mips
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I'm using mips-4kc core and try to port linux2.4.18. When kernel starts, it display the following OOP
Unhandled kernel unaligned access in unaligned.c:emulate_load_store_insn, line 3
51:
$0 : 00000000 801d0000 ffd82b0b 00000001 fff60ac0 0000000b 80237ef8 00000001
$8 : 1000fc00 1000001f 0000001d 12e09bff 00ffffff a0e00010 000000ff 00000018
$16: 801d64e4 00000000 80002adc 00000004 bfd5a450 00000005 00000004 b3ff0000
$24: a0000000 800a1e4c 80236000 80237eb0 bfc00598 80009aa4
Hi : 00000005
Lo : 80010fb8
epc : 8000993c Not tainted
Status: 1000fc02
Cause : 10800010
Processÿgÿÿ4ÿÿÿÿ[9ÿÿ5ÿÿÿÿÿ (pid: -143232658, stackpage=80234000)
Stack: 5a24a5ab 2e29b637 30313233 34353637 80009aa4 63646566 30313233 34353637
38396162 63646566 10801000 80092d54 000088c9 0000003e 80010b98 00353637
80092960 34353637 000008c5 ffffffff 000088c9 80010c58 1000fc01 ffffc000
00000000 1000fc01 00000000 00000001 00000000 00000000 00000000 00000000
12e01e6c 801d2d59 00000001 12e09bff 00ffffff a0e00010 00000005 00000004 b
3ff0000
$24: a0000000 80231a26 80230000 80231a50 bfc00598 80009aa4
Hi : 00000005
Lo : 80010fb8
epc : 8000993c Not tainted
Status: 1000fc02
Status: 1000fc02
It is ok with linux2.4.3, any suggestion?
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^ permalink raw reply [flat|nested] 3+ messages in thread* unaligned problem in linux2.4.18?
2004-01-20 1:14 unaligned problem in linux2.4.18? wei liu
@ 2004-01-20 1:14 ` wei liu
2004-01-20 12:35 ` Ralf Baechle
1 sibling, 0 replies; 3+ messages in thread
From: wei liu @ 2004-01-20 1:14 UTC (permalink / raw)
To: linux-mips
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I'm using mips-4kc core and try to port linux2.4.18. When kernel starts, it display the following OOP
Unhandled kernel unaligned access in unaligned.c:emulate_load_store_insn, line 3
51:
$0 : 00000000 801d0000 ffd82b0b 00000001 fff60ac0 0000000b 80237ef8 00000001
$8 : 1000fc00 1000001f 0000001d 12e09bff 00ffffff a0e00010 000000ff 00000018
$16: 801d64e4 00000000 80002adc 00000004 bfd5a450 00000005 00000004 b3ff0000
$24: a0000000 800a1e4c 80236000 80237eb0 bfc00598 80009aa4
Hi : 00000005
Lo : 80010fb8
epc : 8000993c Not tainted
Status: 1000fc02
Cause : 10800010
Processÿgÿÿ4ÿÿÿÿ[9ÿÿ5ÿÿÿÿÿ (pid: -143232658, stackpage=80234000)
Stack: 5a24a5ab 2e29b637 30313233 34353637 80009aa4 63646566 30313233 34353637
38396162 63646566 10801000 80092d54 000088c9 0000003e 80010b98 00353637
80092960 34353637 000008c5 ffffffff 000088c9 80010c58 1000fc01 ffffc000
00000000 1000fc01 00000000 00000001 00000000 00000000 00000000 00000000
12e01e6c 801d2d59 00000001 12e09bff 00ffffff a0e00010 00000005 00000004 b
3ff0000
$24: a0000000 80231a26 80230000 80231a50 bfc00598 80009aa4
Hi : 00000005
Lo : 80010fb8
epc : 8000993c Not tainted
Status: 1000fc02
Status: 1000fc02
It is ok with linux2.4.3, any suggestion?
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: unaligned problem in linux2.4.18?
2004-01-20 1:14 unaligned problem in linux2.4.18? wei liu
2004-01-20 1:14 ` wei liu
@ 2004-01-20 12:35 ` Ralf Baechle
1 sibling, 0 replies; 3+ messages in thread
From: Ralf Baechle @ 2004-01-20 12:35 UTC (permalink / raw)
To: wei liu; +Cc: linux-mips
On Mon, Jan 19, 2004 at 05:14:47PM -0800, wei liu wrote:
> I'm using mips-4kc core and try to port linux2.4.18. When kernel starts, it display the following OOP
An oops message is pretty usless unless decoded by ksymoops. To make
matters worse, a crash in the unaligned handler is most probably just
sympthom of a problem elsewhere so having a decoded oops isn't necesarily
sufficient information to find the problem.
Ralf
^ permalink raw reply [flat|nested] 3+ messages in thread
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