Hi Hideki, I've tried the "release" version from mozilla.debian.net today:
jurij@debian:~$ dpkg -l | grep iceweasel ii iceweasel 14.0.1-2 sparc Web browser based on Firefox ii iceweasel-dbg 14.0.1-2 sparc debugging symbols for iceweasel Unfortunately, it performs even worse than the current wheezy version, crashing immediately on startup: jurij@debian:~$ iceweasel Xlib: extension "RANDR" missing on display ":1.0". Bus error (core dumped) Stack trace (first ten frames): Core was generated by `/usr/lib/iceweasel/firefox-bin'. Program terminated with signal 10, Bus error. #0 PushOff (ss=0xffede2d8, off=3, op=JSOP_NAME, pc=0xefbe356a ";") at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsopcode.cpp:1458 1458 /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsopcode.cpp: No such file or directory. (gdb) bt #0 PushOff (ss=0xffede2d8, off=3, op=JSOP_NAME, pc=0xefbe356a ";") at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsopcode.cpp:1458 #1 0xf768c3b8 in Decompile (ss=<optimized out>, pc=0xefbe356a ";", nb=10) at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsopcode.cpp:5356 #2 0xf7695eec in DecompileCode (jp=0xebc43ac0, script=0xeed63d90, pc=0xefbe356a ";", len=10, pcdepth=1) at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsopcode.cpp:5423 #3 0xf7696138 in DecompileExpression (cx=0xf7922340, script=<optimized out>, fun=0xeed92260, pc=<optimized out>) at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsopcode.cpp:5829 #4 0xf76963ac in js_DecompileValueGenerator (cx=0xf7922340, spindex=<optimized out>, v=..., fallback=0x0) at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsopcode.cpp:5718 #5 0xf75f32cc in DecompileValueGenerator (fallback=<optimized out>, v=..., spindex=1, cx=<optimized out>) at ../../../js/src/jsopcode.h:401 #6 js_ReportIsNullOrUndefined (cx=0xf7922340, spindex=1, v=..., fallback=0x0) at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jscntxt.cpp:770 #7 0xf7676118 in js_ValueToNonNullObject (cx=0xf7922340, v=...) at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsobj.cpp:5908 #8 0xf7648c70 in ValueToObject (v=..., cx=<optimized out>) at ../../../js/src/jsobj.h:1435 #9 GetPropertyOperation (vp=0xffede6b0, lval=..., pc=0xefbe3575 "\270", cx=0xf7922340) at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsinterpinlines.h:243 #10 js::Interpret (cx=0xf7922340, entryFrame=0xf0e003e8, interpMode=js::JSINTERP_NORMAL) at /build/buildd-iceweasel_14.0.1-2-sparc-jQxQ7a/iceweasel-14.0.1/js/src/jsinterp.cpp:2654 [...] It is happening due to an unaligned store operation: (gdb) disass Dump of assembler code for function PushOff(SprintStack*, ptrdiff_t, JSOp, jsbytecode*): 0xf7688840 <+0>: save %sp, -96, %sp 0xf7688844 <+4>: ld [ %i0 + 0x28 ], %g1 0xf7688848 <+8>: ld [ %i0 + 0x1c ], %g2 0xf768884c <+12>: ld [ %g1 + 0x28 ], %g1 0xf7688850 <+16>: lduh [ %g1 + 0x56 ], %g3 0xf7688854 <+20>: lduh [ %g1 + 0x52 ], %g1 0xf7688858 <+24>: sub %g3, %g1, %g1 0xf768885c <+28>: cmp %g2, %g1 0xf7688860 <+32>: bcc,pn %icc, 0xf76888d0 <PushOff(SprintStack*, ptrdiff_t, JSOp, jsbytecode*)+144> 0xf7688864 <+36>: sll %g2, 2, %g1 0xf7688868 <+40>: ld [ %i0 + 0x10 ], %o7 0xf768886c <+44>: mov 0x35, %g3 0xf7688870 <+48>: ld [ %i0 + 0x14 ], %g4 0xf7688874 <+52>: cmp %i2, 0xe4 0xf7688878 <+56>: be,pn %icc, 0xf768888c <PushOff(SprintStack*, ptrdiff_t, JSOp, jsbytecode*)+76> 0xf768887c <+60>: st %i1, [ %o7 + %g1 ] 0xf7688880 <+64>: mov 0x37, %g3 0xf7688884 <+68>: cmp %i2, 0xe5 0xf7688888 <+72>: movne %icc, %i2, %g3 0xf768888c <+76>: stb %g3, [ %g4 + %g2 ] 0xf7688890 <+80>: mov %i0, %o0 0xf7688894 <+84>: inc %g2 0xf7688898 <+88>: ld [ %i0 + 0x18 ], %g3 0xf768889c <+92>: mov 3, %o1 => 0xf76888a0 <+96>: st %i3, [ %g3 + %g1 ] 0xf76888a4 <+100>: st %g2, [ %i0 + 0x1c ] 0xf76888a8 <+104>: call 0xf7688760 <js::Sprinter::reserve(unsigned int)> 0xf76888ac <+108>: mov 1, %i0 0xf76888b0 <+112>: cmp %o0, 0 0xf76888b4 <+116>: be,pn %icc, 0xf76888dc <PushOff(SprintStack*, ptrdiff_t, JSOp, jsbytecode*)+156> 0xf76888b8 <+120>: nop 0xf76888bc <+124>: clrb [ %o0 ] 0xf76888c0 <+128>: clrb [ %o0 + 1 ] 0xf76888c4 <+132>: clrb [ %o0 + 2 ] 0xf76888c8 <+136>: rett %i7 + 8 0xf76888cc <+140>: nop 0xf76888d0 <+144>: ld [ %i0 ], %o0 0xf76888d4 <+148>: call 0xf78de654 <JS_ReportOutOfMemory@plt> 0xf76888d8 <+152>: clr %i0 0xf76888dc <+156>: rett %i7 + 8 0xf76888e0 <+160>: nop End of assembler dump. (gdb) info reg i3 g1 g3 i3 0xefbe356a -272747158 g1 0x4 4 g3 0xf1a5f02e -240783314 (gdb) Either way, I assume that chances of new version getting into wheezy at this point are pretty slim. For the current wheezy version I've posted some analysis of the crash at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=688086#10 Perhaps we should look into fixing the alignment issues of this code. Best regards, -- Jurij Smakov ju...@wooyd.org Key: http://www.wooyd.org/pgpkey/ KeyID: C99E03CC -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org