From mboxrd@z Thu Jan 1 00:00:00 1970 From: somshekar@celestialsys.com (Somshekar ChandrashekarKadam) Date: Fri, 9 Jan 2009 13:57:21 +0530 Subject: [ltt-dev] ltt-sched unload fails Message-ID: <872716d1f985423eb43f9ef57ffe9da3@dr116.cyberspaceindia.com> Hi, Using 0.10.0-pre43 with 2.6.24 kernel. Lttng works fine when made as as built in. when selected as module with the follwing kernel options. rmmod of ltt-sched fails. below is given O/P Is module support not stable?. Please share some pointers on this. Thanks in advance -------------------------- CONFIG_MARKERS=y # # Linux Trace Toolkit # CONFIG_LTT_TIMESTAMP=y CONFIG_HAVE_LTT_UNSTABLE_TSC=y CONFIG_HAVE_LTT_CLOCK=y # CONFIG_HAVE_LTT_SYNTHETIC_TSC is not set CONFIG_HAVE_LTT_DUMP_TABLES=y CONFIG_LTT=y CONFIG_LTT_RELAY=m CONFIG_LTT_SERIALIZE=m CONFIG_LTT_MARKER_CONTROL=m CONFIG_LTT_TRACER=m CONFIG_LTT_ALIGNMENT=y CONFIG_LTT_VMCORE=y CONFIG_LTT_HEARTBEAT=y CONFIG_LTT_NETLINK_CONTROL=m CONFIG_LTT_STATEDUMP=m ------------------------------------- O/P --------------------------------------------------------------------------------- WARNING: at kernel/marker.c:805 marker_probe_unregister_private_data() Pid: 1232, comm: rmmod Not tainted 2.6.24_atom #4 [] marker_probe_unregister_private_data+0x96/0xc8 [] ltt_probe_unregister+0x2b/0x8d [ltt_marker_control] [] probe_exit+0xd/0x41 [ltt_sched] [] blocking_notifier_call_chain+0x17/0x1a [] sys_delete_module+0x18f/0x1db [] do_kimage_alloc+0x41/0x14c [] do_syscall_trace+0x19b/0x1de [] syscall_call+0x7/0xb [] cache_open+0xf/0x7b ======================= BUG: unable to handle kernel NULL pointer dereference at virtual address 00000028 printing eip: c014d1f2 *pde = 00000000 Oops: 0002 [#1] PREEMPT LTT NESTING LEVEL : 0 <0> Modules linked in: ltt_statedump ltt_serialize ltt_control ltt_marker_control ltt_tracer ltt_sched ltt_relay Pid: 1232, comm: rmmod Not tainted (2.6.24_atom #4) EIP: 0060:[] EFLAGS: 00010282 CPU: 0 EIP is at marker_probe_unregister_private_data+0x96/0xc8 EAX: c04ea111 EBX: 00000000 ECX: f7490f30 EDX: c04ea111 ESI: f7f3442c EDI: 00000000 EBP: f887d000 ESP: f74abf10 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Process rmmod (pid: 1232, ti=f74aa000 task=f7fe4170 task.ti=f74aa000) Stack: c0490bbd c049cb3a 00000325 c0427e60 f7f3442c f887d780 f7f34368 00000000 f8873297 f887d800 00000000 00000880 f74aa000 f887d06d f74aa000 c01301b6 ffffffff 00000000 c013aaf0 5f74746c 65686373 c0140064 bf976db0 00000081 Call Trace: [] ltt_probe_unregister+0x2b/0x8d [ltt_marker_control] [] probe_exit+0xd/0x41 [ltt_sched] [] blocking_notifier_call_chain+0x17/0x1a [] sys_delete_module+0x18f/0x1db [] do_kimage_alloc+0x41/0x14c [] do_syscall_trace+0x19b/0x1de [] syscall_call+0x7/0xb [] cache_open+0xf/0x7b ======================= Code: 75 29 c7 44 24 0c 60 7e 42 c0 c7 44 24 08 25 03 00 00 c7 44 24 04 3a cb 49 c0 c7 04 24 bd 0b 49 c0 e8 08 03 fd ff e8 43 93 fb ff <89> 7b 28 80 4b 2c 01 ba b6 d2 14 c0 31 ff 8d 43 20 e8 d1 d7 fd EIP: [] marker_probe_unregister_private_data+0x96/0xc8 SS:ESP 0068:f74abf10 ---[ end trace f803850988743740 ]--- Regards Neelu -------------- next part -------------- An HTML attachment was scrubbed... URL: From mboxrd@z Thu Jan 1 00:00:00 1970 From: somshekar@celestialsys.com (Somshekar ChandrashekarKadam) Date: Fri, 9 Jan 2009 13:57:21 +0530 Subject: [ltt-dev] ltt-sched unload fails Message-ID: <872716d1f985423eb43f9ef57ffe9da3@dr116.cyberspaceindia.com> Message-ID: <20090109082721.lbwoAeIlOQuwGDyG13HjG0qlEkeeDtHS_uBZoxSsD1c@z> Hi, Using 0.10.0-pre43 with 2.6.24 kernel. Lttng works fine when made as as built in. when selected as module with the follwing kernel options. rmmod of ltt-sched fails. below is given O/P Is module support not stable?. Please share some pointers on this. Thanks in advance -------------------------- CONFIG_MARKERS=y # # Linux Trace Toolkit # CONFIG_LTT_TIMESTAMP=y CONFIG_HAVE_LTT_UNSTABLE_TSC=y CONFIG_HAVE_LTT_CLOCK=y # CONFIG_HAVE_LTT_SYNTHETIC_TSC is not set CONFIG_HAVE_LTT_DUMP_TABLES=y CONFIG_LTT=y CONFIG_LTT_RELAY=m CONFIG_LTT_SERIALIZE=m CONFIG_LTT_MARKER_CONTROL=m CONFIG_LTT_TRACER=m CONFIG_LTT_ALIGNMENT=y CONFIG_LTT_VMCORE=y CONFIG_LTT_HEARTBEAT=y CONFIG_LTT_NETLINK_CONTROL=m CONFIG_LTT_STATEDUMP=m ------------------------------------- O/P --------------------------------------------------------------------------------- WARNING: at kernel/marker.c:805 marker_probe_unregister_private_data() Pid: 1232, comm: rmmod Not tainted 2.6.24_atom #4 [] marker_probe_unregister_private_data+0x96/0xc8 [] ltt_probe_unregister+0x2b/0x8d [ltt_marker_control] [] probe_exit+0xd/0x41 [ltt_sched] [] blocking_notifier_call_chain+0x17/0x1a [] sys_delete_module+0x18f/0x1db [] do_kimage_alloc+0x41/0x14c [] do_syscall_trace+0x19b/0x1de [] syscall_call+0x7/0xb [] cache_open+0xf/0x7b ======================= BUG: unable to handle kernel NULL pointer dereference at virtual address 00000028 printing eip: c014d1f2 *pde = 00000000 Oops: 0002 [#1] PREEMPT LTT NESTING LEVEL : 0 <0> Modules linked in: ltt_statedump ltt_serialize ltt_control ltt_marker_control ltt_tracer ltt_sched ltt_relay Pid: 1232, comm: rmmod Not tainted (2.6.24_atom #4) EIP: 0060:[] EFLAGS: 00010282 CPU: 0 EIP is at marker_probe_unregister_private_data+0x96/0xc8 EAX: c04ea111 EBX: 00000000 ECX: f7490f30 EDX: c04ea111 ESI: f7f3442c EDI: 00000000 EBP: f887d000 ESP: f74abf10 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Process rmmod (pid: 1232, ti=f74aa000 task=f7fe4170 task.ti=f74aa000) Stack: c0490bbd c049cb3a 00000325 c0427e60 f7f3442c f887d780 f7f34368 00000000 f8873297 f887d800 00000000 00000880 f74aa000 f887d06d f74aa000 c01301b6 ffffffff 00000000 c013aaf0 5f74746c 65686373 c0140064 bf976db0 00000081 Call Trace: [] ltt_probe_unregister+0x2b/0x8d [ltt_marker_control] [] probe_exit+0xd/0x41 [ltt_sched] [] blocking_notifier_call_chain+0x17/0x1a [] sys_delete_module+0x18f/0x1db [] do_kimage_alloc+0x41/0x14c [] do_syscall_trace+0x19b/0x1de [] syscall_call+0x7/0xb [] cache_open+0xf/0x7b ======================= Code: 75 29 c7 44 24 0c 60 7e 42 c0 c7 44 24 08 25 03 00 00 c7 44 24 04 3a cb 49 c0 c7 04 24 bd 0b 49 c0 e8 08 03 fd ff e8 43 93 fb ff <89> 7b 28 80 4b 2c 01 ba b6 d2 14 c0 31 ff 8d 43 20 e8 d1 d7 fd EIP: [] marker_probe_unregister_private_data+0x96/0xc8 SS:ESP 0068:f74abf10 ---[ end trace f803850988743740 ]--- Regards Neelu -------------- next part -------------- An HTML attachment was scrubbed... URL: From mboxrd@z Thu Jan 1 00:00:00 1970 From: somshekar@celestialsys.com (Somshekar ChandrashekarKadam) Date: Fri, 9 Jan 2009 13:57:21 +0530 Subject: [ltt-dev] ltt-sched unload fails Message-ID: <872716d1f985423eb43f9ef57ffe9da3@dr116.cyberspaceindia.com> Message-ID: <20090109082721.euiG7VWYODYHqNzfbePI5akVnBYSfs8rOBfmjimaXSQ@z> Hi, Using 0.10.0-pre43 with 2.6.24 kernel. Lttng works fine when made as as built in. when selected as module with the follwing kernel options. rmmod of ltt-sched fails. below is given O/P Is module support not stable?. Please share some pointers on this. Thanks in advance -------------------------- CONFIG_MARKERS=y # # Linux Trace Toolkit # CONFIG_LTT_TIMESTAMP=y CONFIG_HAVE_LTT_UNSTABLE_TSC=y CONFIG_HAVE_LTT_CLOCK=y # CONFIG_HAVE_LTT_SYNTHETIC_TSC is not set CONFIG_HAVE_LTT_DUMP_TABLES=y CONFIG_LTT=y CONFIG_LTT_RELAY=m CONFIG_LTT_SERIALIZE=m CONFIG_LTT_MARKER_CONTROL=m CONFIG_LTT_TRACER=m CONFIG_LTT_ALIGNMENT=y CONFIG_LTT_VMCORE=y CONFIG_LTT_HEARTBEAT=y CONFIG_LTT_NETLINK_CONTROL=m CONFIG_LTT_STATEDUMP=m ------------------------------------- O/P --------------------------------------------------------------------------------- WARNING: at kernel/marker.c:805 marker_probe_unregister_private_data() Pid: 1232, comm: rmmod Not tainted 2.6.24_atom #4 [] marker_probe_unregister_private_data+0x96/0xc8 [] ltt_probe_unregister+0x2b/0x8d [ltt_marker_control] [] probe_exit+0xd/0x41 [ltt_sched] [] blocking_notifier_call_chain+0x17/0x1a [] sys_delete_module+0x18f/0x1db [] do_kimage_alloc+0x41/0x14c [] do_syscall_trace+0x19b/0x1de [] syscall_call+0x7/0xb [] cache_open+0xf/0x7b ======================= BUG: unable to handle kernel NULL pointer dereference at virtual address 00000028 printing eip: c014d1f2 *pde = 00000000 Oops: 0002 [#1] PREEMPT LTT NESTING LEVEL : 0 <0> Modules linked in: ltt_statedump ltt_serialize ltt_control ltt_marker_control ltt_tracer ltt_sched ltt_relay Pid: 1232, comm: rmmod Not tainted (2.6.24_atom #4) EIP: 0060:[] EFLAGS: 00010282 CPU: 0 EIP is at marker_probe_unregister_private_data+0x96/0xc8 EAX: c04ea111 EBX: 00000000 ECX: f7490f30 EDX: c04ea111 ESI: f7f3442c EDI: 00000000 EBP: f887d000 ESP: f74abf10 DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068 Process rmmod (pid: 1232, ti=f74aa000 task=f7fe4170 task.ti=f74aa000) Stack: c0490bbd c049cb3a 00000325 c0427e60 f7f3442c f887d780 f7f34368 00000000 f8873297 f887d800 00000000 00000880 f74aa000 f887d06d f74aa000 c01301b6 ffffffff 00000000 c013aaf0 5f74746c 65686373 c0140064 bf976db0 00000081 Call Trace: [] ltt_probe_unregister+0x2b/0x8d [ltt_marker_control] [] probe_exit+0xd/0x41 [ltt_sched] [] blocking_notifier_call_chain+0x17/0x1a [] sys_delete_module+0x18f/0x1db [] do_kimage_alloc+0x41/0x14c [] do_syscall_trace+0x19b/0x1de [] syscall_call+0x7/0xb [] cache_open+0xf/0x7b ======================= Code: 75 29 c7 44 24 0c 60 7e 42 c0 c7 44 24 08 25 03 00 00 c7 44 24 04 3a cb 49 c0 c7 04 24 bd 0b 49 c0 e8 08 03 fd ff e8 43 93 fb ff <89> 7b 28 80 4b 2c 01 ba b6 d2 14 c0 31 ff 8d 43 20 e8 d1 d7 fd EIP: [] marker_probe_unregister_private_data+0x96/0xc8 SS:ESP 0068:f74abf10 ---[ end trace f803850988743740 ]--- Regards Neelu -------------- next part -------------- An HTML attachment was scrubbed... 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