diff for duplicates of <20080818184158.GA1798@Krystal> diff --git a/a/1.txt b/N1/1.txt index 96b70cd..8f6461c 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -1,31 +1,27 @@ * Eran Liberty (liberty@extricom.com) wrote: > Steven Rostedt wrote: >> Eran Liberty wrote: ->>> After compiling a kernel with ftrace I started to experience all sorts = -of=20 +>>> After compiling a kernel with ftrace I started to experience all sorts of >>> crashes. >> >> Just to make sure... >> ->> ftrace enables markers too, and RCU has tracing with the markers. This m= -ay=20 ->> not be the problem, but I just want to eliminate as many variables as=20 +>> ftrace enables markers too, and RCU has tracing with the markers. This may +>> not be the problem, but I just want to eliminate as many variables as >> possible. ->> Could you disable ftrace, but keep the markers on too. Also, could you= -=20 +>> Could you disable ftrace, but keep the markers on too. Also, could you >> enable ftrace again and turn on the FTRACE_STARTUP_TEST. > -> for the fun of it I took out all my propriety modules; so now its a non= -=20 +> for the fun of it I took out all my propriety modules; so now its a non > tainted kernel. > > Here is the matrix: > -> !FTRACE x !MARKERS =3D> stable -> !FTRACE x MARKERS =3D> stable -> FTRACE x !MARKERS =3D> n/a (FTRACE forces MARKERS) -> FTRACE x MARKERS =3D> unstable -> FTRACE x FTRACE_STARTUP_TEST x MARKERS =3D> unstable + tests passed +> !FTRACE x !MARKERS => stable +> !FTRACE x MARKERS => stable +> FTRACE x !MARKERS => n/a (FTRACE forces MARKERS) +> FTRACE x MARKERS => unstable +> FTRACE x FTRACE_STARTUP_TEST x MARKERS => unstable + tests passed > > Testing tracer sched_switch: PASSED > Testing tracer ftrace: PASSED @@ -37,14 +33,14 @@ ay=20 > NIP: c00bbb20 LR: c00bbb20 CTR: 00000000 > REGS: dd5b1c50 TRAP: 0700 Not tainted (2.6.27-rc2) > MSR: 00029000 <EE,ME> CR: 24082282 XER: 20000000 -> TASK =3D ddcce060[1707] 'find' THREAD: dd5b0000 -> GPR00: 00000000 dd5b1d00 ddcce060 dd801180 dd5b1d68 dd5b1d58 dd80125b=20 +> TASK = ddcce060[1707] 'find' THREAD: dd5b0000 +> GPR00: 00000000 dd5b1d00 ddcce060 dd801180 dd5b1d68 dd5b1d58 dd80125b > 100234ec -> GPR08: c0800000 00019330 0000ffff dd5b1d20 24000288 100ad874 100936f8=20 +> GPR08: c0800000 00019330 0000ffff dd5b1d20 24000288 100ad874 100936f8 > 1008a1d0 -> GPR16: 10083f80 dd5b1e2c dd5b1d68 fffffff4 c0380000 dd5b1d60 dd5b1d58=20 +> GPR16: 10083f80 dd5b1e2c dd5b1d68 fffffff4 c0380000 dd5b1d60 dd5b1d58 > dd802084 -> GPR24: dc3d7700 dd802018 dd5b1d68 c0380000 dd801180 dd5b1d68 00000000=20 +> GPR24: dc3d7700 dd802018 dd5b1d68 c0380000 dd801180 dd5b1d68 00000000 > dd5b1d00 > NIP [c00bbb20] d_lookup+0x40/0x90 > LR [c00bbb20] d_lookup+0x40/0x90 @@ -52,7 +48,7 @@ ay=20 > [dd5b1d00] [dd5b1d58] 0xdd5b1d58 (unreliable) Can you check if, at some point during the system execution (starting -=66rom boot), 0xdd5b1d58 is an address where a module is loaded ? (the +from boot), 0xdd5b1d58 is an address where a module is loaded ? (the module can be later unloaded, what I wonder is if this address would appear to have had a loaded+unloaded module). @@ -78,6 +74,6 @@ Mathieu > > ---=20 +-- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 diff --git a/a/content_digest b/N1/content_digest index a32a66e..f6d9de0 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -6,41 +6,37 @@ "Subject\0Re: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3)\0" "Date\0Mon, 18 Aug 2008 14:41:58 -0400\0" "To\0Eran Liberty <liberty@extricom.com>\0" - "Cc\0linuxppc-dev@ozlabs.org" - Steven Rostedt <srostedt@redhat.com> - Paul E. McKenney <paulmck@linux.vnet.ibm.com> + "Cc\0Steven Rostedt <srostedt@redhat.com>" linux-kernel@vger.kernel.org + Paul E. McKenney <paulmck@linux.vnet.ibm.com> + linuxppc-dev@ozlabs.org " rostedt@goodmis.org\0" "\00:1\0" "b\0" "* Eran Liberty (liberty@extricom.com) wrote:\n" "> Steven Rostedt wrote:\n" ">> Eran Liberty wrote:\n" - ">>> After compiling a kernel with ftrace I started to experience all sorts =\n" - "of=20\n" + ">>> After compiling a kernel with ftrace I started to experience all sorts of \n" ">>> crashes.\n" ">>\n" ">> Just to make sure...\n" ">>\n" - ">> ftrace enables markers too, and RCU has tracing with the markers. This m=\n" - "ay=20\n" - ">> not be the problem, but I just want to eliminate as many variables as=20\n" + ">> ftrace enables markers too, and RCU has tracing with the markers. This may \n" + ">> not be the problem, but I just want to eliminate as many variables as \n" ">> possible.\n" - ">> Could you disable ftrace, but keep the markers on too. Also, could you=\n" - "=20\n" + ">> Could you disable ftrace, but keep the markers on too. Also, could you \n" ">> enable ftrace again and turn on the FTRACE_STARTUP_TEST.\n" ">\n" - "> for the fun of it I took out all my propriety modules; so now its a non=\n" - "=20\n" + "> for the fun of it I took out all my propriety modules; so now its a non \n" "> tainted kernel.\n" ">\n" "> Here is the matrix:\n" ">\n" - "> !FTRACE x !MARKERS =3D> stable\n" - "> !FTRACE x MARKERS =3D> stable\n" - "> FTRACE x !MARKERS =3D> n/a (FTRACE forces MARKERS)\n" - "> FTRACE x MARKERS =3D> unstable\n" - "> FTRACE x FTRACE_STARTUP_TEST x MARKERS =3D> unstable + tests passed\n" + "> !FTRACE x !MARKERS => stable\n" + "> !FTRACE x MARKERS => stable\n" + "> FTRACE x !MARKERS => n/a (FTRACE forces MARKERS)\n" + "> FTRACE x MARKERS => unstable\n" + "> FTRACE x FTRACE_STARTUP_TEST x MARKERS => unstable + tests passed\n" ">\n" "> Testing tracer sched_switch: PASSED\n" "> Testing tracer ftrace: PASSED\n" @@ -52,14 +48,14 @@ "> NIP: c00bbb20 LR: c00bbb20 CTR: 00000000\n" "> REGS: dd5b1c50 TRAP: 0700 Not tainted (2.6.27-rc2)\n" "> MSR: 00029000 <EE,ME> CR: 24082282 XER: 20000000\n" - "> TASK =3D ddcce060[1707] 'find' THREAD: dd5b0000\n" - "> GPR00: 00000000 dd5b1d00 ddcce060 dd801180 dd5b1d68 dd5b1d58 dd80125b=20\n" + "> TASK = ddcce060[1707] 'find' THREAD: dd5b0000\n" + "> GPR00: 00000000 dd5b1d00 ddcce060 dd801180 dd5b1d68 dd5b1d58 dd80125b \n" "> 100234ec\n" - "> GPR08: c0800000 00019330 0000ffff dd5b1d20 24000288 100ad874 100936f8=20\n" + "> GPR08: c0800000 00019330 0000ffff dd5b1d20 24000288 100ad874 100936f8 \n" "> 1008a1d0\n" - "> GPR16: 10083f80 dd5b1e2c dd5b1d68 fffffff4 c0380000 dd5b1d60 dd5b1d58=20\n" + "> GPR16: 10083f80 dd5b1e2c dd5b1d68 fffffff4 c0380000 dd5b1d60 dd5b1d58 \n" "> dd802084\n" - "> GPR24: dc3d7700 dd802018 dd5b1d68 c0380000 dd801180 dd5b1d68 00000000=20\n" + "> GPR24: dc3d7700 dd802018 dd5b1d68 c0380000 dd801180 dd5b1d68 00000000 \n" "> dd5b1d00\n" "> NIP [c00bbb20] d_lookup+0x40/0x90\n" "> LR [c00bbb20] d_lookup+0x40/0x90\n" @@ -67,7 +63,7 @@ "> [dd5b1d00] [dd5b1d58] 0xdd5b1d58 (unreliable)\n" "\n" "Can you check if, at some point during the system execution (starting\n" - "=66rom boot), 0xdd5b1d58 is an address where a module is loaded ? (the\n" + "from boot), 0xdd5b1d58 is an address where a module is loaded ? (the\n" "module can be later unloaded, what I wonder is if this address would\n" "appear to have had a loaded+unloaded module).\n" "\n" @@ -93,8 +89,8 @@ ">\n" ">\n" "\n" - "--=20\n" + "-- \n" "Mathieu Desnoyers\n" OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -69681541ab438030358b7d5028248f63aeaafa1ea7113ca68a3700a1f9c7c97d +ea53821a9892c4f3d2df1c65a506e5c8bad542b409c717eadd6bb4ceb9a7fb54
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