From mboxrd@z Thu Jan 1 00:00:00 1970 From: somshekar@celestialsys.com (Somshekar ChandrashekarKadam) Date: Fri, 9 Jan 2009 20:26:03 +0530 Subject: [ltt-dev] ltt-sched unload fails Message-ID: <30994372888c407181dc2af00f7ccf08@dr116.cyberspaceindia.com> Thanks Mathieu for suggesting to move to higher version. Regards Neelu ---------------------------------------- From: Mathieu Desnoyers Sent: Friday, January 09, 2009 2:50 AM To: Somshekar ChandrashekarKadam Subject: Re: [ltt-dev] ltt-sched unload fails * Somshekar ChandrashekarKadam (somshekar at celestialsys.com) wrote: > 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 It's possible that in this version ltt-sched.ko has problems. I don't think it much relevant now, because this module does not exist anymore. You may want to try upgrading to a newer LTTng version and see if you still have similar problems. Mathieu > > -------------------------- > 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 > > > _______________________________________________ > ltt-dev mailing list > ltt-dev at lists.casi.polymtl.ca > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -------------- 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 20:26:03 +0530 Subject: [ltt-dev] ltt-sched unload fails Message-ID: <30994372888c407181dc2af00f7ccf08@dr116.cyberspaceindia.com> Message-ID: <20090109145603.mE6hVp7AHCv5Y_PMIkHGzKLL-_N2uv9RYrHgtAA_WQc@z> Thanks Mathieu for suggesting to move to higher version. Regards Neelu ---------------------------------------- From: Mathieu Desnoyers Sent: Friday, January 09, 2009 2:50 AM To: Somshekar ChandrashekarKadam Subject: Re: [ltt-dev] ltt-sched unload fails * Somshekar ChandrashekarKadam (somshekar at celestialsys.com) wrote: > 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 It's possible that in this version ltt-sched.ko has problems. I don't think it much relevant now, because this module does not exist anymore. You may want to try upgrading to a newer LTTng version and see if you still have similar problems. Mathieu > > -------------------------- > 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 > > > _______________________________________________ > ltt-dev mailing list > ltt-dev at lists.casi.polymtl.ca > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -------------- 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 20:26:03 +0530 Subject: [ltt-dev] ltt-sched unload fails Message-ID: <30994372888c407181dc2af00f7ccf08@dr116.cyberspaceindia.com> Message-ID: <20090109145603.JtgyHhDvNpbkjasCOWfTha4YD3ENUrRybUHyCgzoxbs@z> Thanks Mathieu for suggesting to move to higher version. Regards Neelu ---------------------------------------- From: Mathieu Desnoyers Sent: Friday, January 09, 2009 2:50 AM To: Somshekar ChandrashekarKadam Subject: Re: [ltt-dev] ltt-sched unload fails * Somshekar ChandrashekarKadam (somshekar at celestialsys.com) wrote: > 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 It's possible that in this version ltt-sched.ko has problems. I don't think it much relevant now, because this module does not exist anymore. You may want to try upgrading to a newer LTTng version and see if you still have similar problems. Mathieu > > -------------------------- > 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 > > > _______________________________________________ > ltt-dev mailing list > ltt-dev at lists.casi.polymtl.ca > http://lists.casi.polymtl.ca/cgi-bin/mailman/listinfo/ltt-dev -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 -------------- next part -------------- An HTML attachment was scrubbed... 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