| 1 |
On Mon, 19 Jul 2004 13:32:39 +0200 |
| 2 |
pageexec@××××××××.hu wrote: |
| 3 |
|
| 4 |
> > Guess I need to post a bug report, just thought I'd see if anyone |
| 5 |
> > had any suggestions first on things to try. There's an strace below |
| 6 |
> > fwiw. |
| 7 |
> |
| 8 |
> could you enable coredumping (ulimit -c unlimited) then get one and |
| 9 |
> look at it from gdb ('gdb /usr/sbin/cpufreqd core' then 'bt', 'info |
| 10 |
> regs', 'x/8i $pc', 'x/16x $sp' at least)? you could also try to |
| 11 |
> recompile cpufreqd as a normal executable (this one was a PIE) and see |
| 12 |
> if that changes anything. in any case, i'm almost sure that it's not a |
| 13 |
> PaX related bug. |
| 14 |
> |
| 15 |
> |
| 16 |
> -- |
| 17 |
> gentoo-hardened@g.o mailing list |
| 18 |
> |
| 19 |
|
| 20 |
Compiling with CFLAGS="-nopie" did the trick, with that cpufreqd works. |
| 21 |
I just saw Ned Ludd's post on specific options to disable things, |
| 22 |
presumably -fno-pie is the same as -nopie?.. both work anyway. |
| 23 |
|
| 24 |
Here's that gdb output, I take it I should include this in the bug |
| 25 |
report? |
| 26 |
|
| 27 |
Core was generated by `/usr/sbin/cpufreqd'. |
| 28 |
Program terminated with signal 11, Segmentation fault. |
| 29 |
#0 0x40014dae in ?? () |
| 30 |
(gdb) bt |
| 31 |
#0 0x40014dae in ?? () |
| 32 |
#1 0x4001e0a3 in ?? () |
| 33 |
#2 0x40013018 in ?? () |
| 34 |
(gdb) info registers |
| 35 |
eax 0x800073d0 -2147454000 |
| 36 |
ecx 0x80003003 -2147471357 |
| 37 |
edx 0x80003003 -2147471357 |
| 38 |
ebx 0x400160f4 1073832180 |
| 39 |
esp 0xbffff7d0 0xbffff7d0 |
| 40 |
ebp 0x800073d0 0x800073d0 |
| 41 |
esi 0x4012ad84 1074965892 |
| 42 |
edi 0x800073d8 -2147453992 |
| 43 |
eip 0x40014dae 0x40014dae |
| 44 |
eflags 0x10202 66050 |
| 45 |
cs 0x73 115 |
| 46 |
ss 0x7b 123 |
| 47 |
ds 0x7b 123 |
| 48 |
es 0x7b 123 |
| 49 |
fs 0x0 0 |
| 50 |
gs 0x0 0 |
| 51 |
(gdb) x/8i $pc |
| 52 |
0x40014dae: Cannot access memory at address 0x40014dae |
| 53 |
(gdb) x/16x $sp |
| 54 |
0xbffff7d0: 0x4001e0a3 0x40013018 0x00000000 |
| 55 |
0x4001ff0c 0xbffff7e0: 0xf748c6bf 0x80001bc0 0x00000000 |
| 56 |
0x8000728c 0xbffff7f0: 0x40014d7c 0x8000728c 0x40014d7c |
| 57 |
0x80001be1 0xbffff800: 0x80003003 0x80007458 |
| 58 |
0x800049f5 0x80007858(gdb) |
| 59 |
|
| 60 |
|
| 61 |
Thanks for your help, much appreciated, |
| 62 |
|
| 63 |
Barry |
| 64 |
|
| 65 |
-- |
| 66 |
gentoo-hardened@g.o mailing list |
Archives