Hi, just an update: the bug is still fully reproducible with
systemtap 1.6-1 linux-image-3.0.0-1-amd64 3.0.0-1 under xen: [ 59.871088] Disabling lock debugging due to kernel taint [ 59.911184] Unrecoverable kprobe detected at ffffffff81003127. [ 59.911200] Dumping kprobe: [ 59.911203] Name: (null) [ 59.911203] Address: ffffffff81003127 [ 59.911204] Offset: 0 [ 59.911212] ------------[ cut here ]------------ [ 59.911216] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.911221] invalid opcode: 0000 [#1] SMP [ 59.911226] CPU 0 [ 59.911227] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.911262] [ 59.911266] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.911271] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.911280] RSP: e02b:ffff88003c51ba78 EFLAGS: 00010092 [ 59.911283] RAX: 000000000000006a RBX: ffff88003c51bb58 RCX: 000000000000021d [ 59.911287] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.911291] RBP: ffffffffa0a7ed70 R08: 0000000000000000 R09: 0720072007200720 [ 59.911294] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.911298] R13: ffffffff81003127 R14: ffffffff81003128 R15: 6db6db6db6db6db7 [ 59.911304] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.911307] Dumping kprobe: [ 59.911309] Name: (null) [ 59.911310] Address: ffffffff810032a0 [ 59.911311] Offset: 0 [ 59.911315] ------------[ cut here ]------------ [ 59.911319] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.911323] invalid opcode: 0000 [#2] SMP [ 59.911327] CPU 0 [ 59.911329] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.911361] [ 59.911363] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.911368] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.911375] RSP: e02b:ffff88003c51b658 EFLAGS: 00010096 [ 59.911378] RAX: 000000000000006a RBX: ffff88003c51b738 RCX: 0000000000000289 [ 59.911381] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.911385] RBP: ffff88003cc218c0 R08: 0000000000000000 R09: 0720072007200720 [ 59.911389] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.911393] R13: ffffffff810032a0 R14: ffffffff810032a1 R15: 6db6db6db6db6db7 [ 59.911398] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.911401] Dumping kprobe: [ 59.911403] Name: (null) [ 59.911404] Address: ffffffff810032a0 [ 59.911404] Offset: 0 [ 59.911409] ------------[ cut here ]------------ [ 59.911413] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.911417] invalid opcode: 0000 [#3] SMP [ 59.911421] CPU 0 [ 59.911423] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.911454] [ 59.911457] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.911462] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.911468] RSP: e02b:ffff88003c51b238 EFLAGS: 00010096 [ 59.911471] RAX: 000000000000006a RBX: ffff88003c51b318 RCX: 00000000000002f5 [ 59.911475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.911479] RBP: ffff88003cc218c0 R08: 0000000000000000 R09: 0720072007200720 [ 59.911483] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.911486] R13: ffffffff810032a0 R14: ffffffff810032a1 R15: 6db6db6db6db6db7 [ 59.911491] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.911494] Dumping kprobe: [ 59.911496] Name: (null) [ 59.911496] Address: ffffffff810032a0 [ 59.911497] Offset: 0 [ 59.911502] ------------[ cut here ]------------ [ 59.911505] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.911510] invalid opcode: 0000 [#4] SMP [ 59.911514] CPU 0 [ 59.911515] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.911547] [ 59.911549] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.911554] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.911560] RSP: e02b:ffff88003c51ae18 EFLAGS: 00010092 [ 59.911564] RAX: 000000000000006a RBX: ffff88003c51aef8 RCX: 0000000000000361 [ 59.911567] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.911571] RBP: ffff88003cc218c0 R08: 0000000000000000 R09: 0720072007200720 [ 59.911575] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.911579] R13: ffffffff810032a0 R14: ffffffff810032a1 R15: 6db6db6db6db6db7 [ 59.911583] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.911586] Dumping kprobe: [ 59.911588] Name: (null) [ 59.911589] Address: ffffffff810032a0 [ 59.911589] Offset: 0 [ 59.911594] ------------[ cut here ]------------ [ 59.911597] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.911602] invalid opcode: 0000 [#5] SMP [ 59.911606] CPU 0 [ 59.911607] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.911639] [ 59.911641] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.911646] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.911652] RSP: e02b:ffff88003c51a9f8 EFLAGS: 00010096 [ 59.911655] RAX: 000000000000006a RBX: ffff88003c51aad8 RCX: 00000000000003cd [ 59.911659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.911662] RBP: ffff88003cc218c0 R08: 0000000000000000 R09: 0720072007200720 [ 59.911666] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.911670] R13: ffffffff810032a0 R14: ffffffff810032a1 R15: 6db6db6db6db6db7 [ 59.911674] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.911677] Dumping kprobe: [ 59.911679] Name: (null) [ 59.911680] Address: ffffffff810032a0 [ 59.911680] Offset: 0 [ 59.911685] ------------[ cut here ]------------ [ 59.911689] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.911696] invalid opcode: 0000 [#6] SMP [ 59.911700] CPU 0 [ 59.911702] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.911733] [ 59.911735] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.911740] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.911746] RSP: e02b:ffff88003c51a5d8 EFLAGS: 00010092 [ 59.911749] RAX: 000000000000006a RBX: ffff88003c51a6b8 RCX: 0000000000000439 [ 59.911753] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 60.008062] Unrecoverable kprobe detected at ffffffff81003127. [ 60.008067] Unrecoverable kprobe detected at ffffffff81003127. [ 60.008072] Unrecoverable kprobe detected at ffffffff81003127. [ 60.008075] Dumping kprobe: [ 60.008077] Dumping kprobe: [ 60.008080] Dumping kprobe: [ 60.008082] Name: (null) [ 60.008084] Address: ffffffff81003127 [ 60.008085] Offset: 0 [ 60.008087] Name: (null) [ 60.008089] Address: ffffffff81003127 [ 60.008090] Offset: 0 [ 60.008092] Name: (null) [ 60.008093] Address: ffffffff81003127 [ 60.008094] Offset: 0 [ 59.912022] RBP: ffff88003cc218c0 R08: 0000000000000000 R09: 0720072007200720 [ 59.912022] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.912022] R13: ffffffff810032a0 R14: ffffffff810032a1 R15: 6db6db6db6db6db7 [ 59.912022] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.912022] Dumping kprobe: [ 59.912022] Name: (null) [ 59.912022] Address: ffffffff810032a0 [ 59.912022] Offset: 0 [ 59.912022] ------------[ cut here ]------------ [ 59.912022] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.912022] invalid opcode: 0000 [#7] SMP [ 59.912022] CPU 0 [ 59.912022] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.912022] [ 59.912022] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.912022] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.912022] RSP: e02b:ffff88003c51a1b8 EFLAGS: 00010092 [ 59.912022] RAX: 000000000000006a RBX: ffff88003c51a298 RCX: 00000000000004ae [ 59.912022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.912022] RBP: ffff88003cc218c0 R08: 0000000000000000 R09: 0720072007200720 [ 59.912022] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.912022] R13: ffffffff810032a0 R14: ffffffff810032a1 R15: 6db6db6db6db6db7 [ 59.912022] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.912022] Dumping kprobe: [ 59.912022] Name: (null) [ 59.912022] Address: ffffffff810032a0 [ 59.912022] Offset: 0 [ 59.912022] ------------[ cut here ]------------ [ 59.912022] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.912022] invalid opcode: 0000 [#8] SMP [ 59.912022] CPU 0 [ 59.912022] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.912022] [ 59.912022] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.912022] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.912022] RSP: e02b:ffff88003c519d98 EFLAGS: 00010096 [ 59.912022] RAX: 000000000000006a RBX: ffff88003c519e78 RCX: 000000000000051a [ 59.912022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.912022] RBP: ffff88003cc218c0 R08: 0000000000000000 R09: 0720072007200720 [ 59.912022] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.912022] R13: ffffffff810032a0 R14: ffffffff810032a1 R15: 6db6db6db6db6db7 [ 59.912022] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.912022] Dumping kprobe: [ 59.912022] Name: (null) [ 59.912022] Address: ffffffff810032a0 [ 59.912022] Offset: 0 [ 59.912022] ------------[ cut here ]------------ [ 59.912022] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.912022] invalid opcode: 0000 [#9] SMP [ 59.912022] CPU 0 [ 59.912022] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront [ 59.912022] [ 59.912022] Pid: 1646, comm: stapio Tainted: G O 3.0.0-1-amd64 #1 [ 59.912022] RIP: e030:[<ffffffff81338a03>] [<ffffffff81338a03>] kprobe_exceptions_notify+0xbf/0x3ad [ 59.912022] RSP: e02b:ffff88003c519978 EFLAGS: 00010092 [ 59.912022] RAX: 000000000000006a RBX: ffff88003c519a58 RCX: 0000000000000586 [ 59.912022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 59.912022] RBP: ffff88003cc218c0 R08: 0000000000000000 R09: 0720072007200720 [ 59.912022] R10: 0720072007200720 R11: 0720072007200720 R12: ffff88003fd6ae60 [ 59.912022] R13: ffffffff810032a0 R14: ffffffff810032a1 R15: 6db6db6db6db6db7 [ 59.912022] Unrecoverable kprobe detected at ffffffff810032a0. [ 59.912022] Dumping kprobe: [ 59.912022] Name: (null) [ 59.912022] Address: ffffffff810032a0 [ 59.912022] Offset: 0 [ 59.912022] ------------[ cut here ]------------ [ 59.912022] kernel BUG at /tmp/buildd/linux-2.6-3.0.0/debian/build/source_amd64_none/arch/x86/kernel/kprobes.c:523! [ 59.912022] invalid opcode: 0000 [#10] SMP [ 59.912022] CPU 0 [ 59.912022] Modules linked in: stap_38863ea43e74c670f3a28dfd93ac8e7f_76_1646(O) fuse nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc loop evdev snd_pcm snd_timer snd soundcore snd_page_alloc pcspkr ext3 jbd mbcache dm_mod virtio_rng rng_core virtio_net virtio_blk virtio_balloon virtio_pci virtio_ring virtio xen_netfront xen_blkfront -Timo -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
