On the guest that I was running the transfer tests on this popped up sometime afterwards. [root@localhost ~]# BUG: soft lockup detected on CPU#0! Pid: 0, comm: swapper EIP: 0061:[<c01040c7>] CPU: 0 EIP is at 0xc01040c7 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000000 EBX: 00000001 ECX: 00000000 EDX: 00000000 ESI: 00000000 EDI: c02ea000 EBP: 00000020 DS: 007b ES: 007b CR0: 8005003b CR2: 003b4f34 CR3: 03389000 CR4: 00000600 [<c0105bf6>] xen_idle+0x59/0x68 [<c0105d09>] cpu_idle+0x8b/0xa4 [<c02ec708>] start_kernel+0x2ed/0x2f3 BUG: soft lockup detected on CPU#0! Pid: 5028, comm: zcat EIP: 0061:[<c0104227>] CPU: 0 EIP is at 0xc0104227 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00030000 EBX: 00000000 ECX: 00000000 EDX: c1cfbfbc ESI: 00000000 EDI: c0110c11 EBP: 00000004 DS: 007b ES: 007b CR0: 8005003b CR2: 0804eab0 CR3: 024be000 CR4: 00000600 [<c01f577c>] force_evtchn_callback+0xa/0xc [<c0110cb8>] do_page_fault+0xa7/0x633 [<c0110c11>] do_page_fault+0x0/0x633 [<c0107c1b>] error_code+0x2b/0x30 BUG: soft lockup detected on CPU#0! Pid: 5452, comm: makewhatis EIP: 0073:[<002ccf13>] CPU: 0 EIP is at 0x2ccf13 ESP: 007b:bfa88b88 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 09e81688 EBX: 0038dff4 ECX: 00000001 EDX: 00000000 ESI: 0038f120 EDI: 09e810c8 EBP: bfa88bb8 DS: 007b ES: 007b CR0: 8005003b CR2: 09e70050 CR3: 01f15000 CR4: 00000600 BUG: soft lockup detected on CPU#0! Pid: 1714, comm: makewhatis EIP: 0061:[<c0104227>] CPU: 0 EIP is at 0xc0104227 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00030000 EBX: 00000000 ECX: 00000000 EDX: c3375fbc ESI: 09e81ce8 EDI: c0110c11 EBP: 00000007 DS: 007b ES: 007b CR0: 8005003b CR2: 09e81cf0 CR3: 02a3b000 CR4: 00000600 [<c01f577c>] force_evtchn_callback+0xa/0xc [<c0110cb8>] do_page_fault+0xa7/0x633 [<c0110c11>] do_page_fault+0x0/0x633 [<c0107c1b>] error_code+0x2b/0x30 BUG: soft lockup detected on CPU#0! Pid: 6859, comm: makewhatis EIP: 0061:[<c0104347>] CPU: 0 EIP is at 0xc0104347 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000000 EBX: c1933de8 ECX: 00000001 EDX: 00000000 ESI: 00007ff0 EDI: c1d78004 EBP: c1d78004 DS: 007b ES: 007b CR0: 8005003b CR2: b7f8ccdd CR3: 019d5000 CR4: 00000600 [<c0112232>] xen_pgd_pin+0x38/0x4a [<c010ff59>] __pgd_pin+0x1d/0x31 [<c010ff85>] mm_pin+0x18/0x21 [<c0160fa6>] flush_old_exec+0x626/0x91e [<c0157b4b>] vfs_read+0xf6/0x136 [<c016064d>] kernel_read+0x39/0x42 [<c017ceff>] load_elf_binary+0x307/0x15bc [<c017d0a0>] load_elf_binary+0x4a8/0x15bc [<c013f819>] get_page_from_freelist+0x99/0x396 [<c013f9cd>] get_page_from_freelist+0x24d/0x396 [<c01e4697>] copy_from_user+0x5c/0x90 [<c01602d4>] copy_strings+0x167/0x1c0 [<c017cbf8>] load_elf_binary+0x0/0x15bc [<c01603e7>] search_binary_handler+0x90/0x21b [<c0161eba>] do_execve+0x15f/0x1fc [<c010621d>] sys_execve+0x2c/0x6d [<c0107a75>] syscall_call+0x7/0xb BUG: soft lockup detected on CPU#0! Pid: 28272, comm: gawk EIP: 0061:[<c01493ec>] CPU: 0 EIP is at vma_adjust+0x1e6/0x3bc EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: c03c0650 EBX: c2ac3828 ECX: cdbd9fc4 EDX: 00000000 ESI: 00000000 EDI: c33da6fc EBP: 00000000 DS: 007b ES: 007b CR0: 80050033 CR2: 0901f04c CR3: 0e2e7000 CR4: 00000600 [<c0264153>] _spin_unlock+0x6/0x8 [<c0147d88>] __handle_mm_fault+0x931/0x959 [<c0149975>] vma_merge+0xd1/0x155 [<c0149ec8>] do_brk+0x198/0x255 [<c014a4a9>] sys_brk+0xcf/0xfe [<c0107a75>] syscall_call+0x7/0xb BUG: soft lockup detected on CPU#0! Pid: 28426, comm: makewhatis EIP: 0061:[<c0104345>] CPU: 0 EIP is at 0xc0104345 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 0000001a EBX: c1991d84 ECX: 80000001 EDX: 00000000 ESI: 00007ff0 EDI: c1d78604 EBP: c1d78a04 DS: 007b ES: 007b CR0: 8005003b CR2: 002724f2 CR3: 019e9000 CR4: 00000600 [<c011227c>] xen_pgd_unpin+0x38/0x4a [<c010ff9e>] __pgd_unpin+0x10/0x32 [<c010ffd8>] mm_unpin+0x18/0x21 [<c011012d>] _arch_exit_mmap+0x14c/0x155 [<c0148e99>] exit_mmap+0x19/0xee [<c01178bc>] mmput+0x1e/0x93 [<c016106f>] flush_old_exec+0x6ef/0x91e [<c0157b4b>] vfs_read+0xf6/0x136 [<c016064d>] kernel_read+0x39/0x42 [<c017ceff>] load_elf_binary+0x307/0x15bc [<c017d0a0>] load_elf_binary+0x4a8/0x15bc [<c013f819>] get_page_from_freelist+0x99/0x396 [<c013f9cd>] get_page_from_freelist+0x24d/0x396 [<c01e4697>] copy_from_user+0x5c/0x90 [<c01e4697>] copy_from_user+0x5c/0x90 [<c01602d4>] copy_strings+0x167/0x1c0 [<c017cbf8>] load_elf_binary+0x0/0x15bc [<c01603e7>] search_binary_handler+0x90/0x21b [<c0161eba>] do_execve+0x15f/0x1fc [<c010621d>] sys_execve+0x2c/0x6d [<c0107a75>] syscall_call+0x7/0xb BUG: soft lockup detected on CPU#0! Pid: 29678, comm: makewhatis EIP: 0061:[<c01530db>] CPU: 0 EIP is at poison_obj+0x1c/0x25 EFLAGS: 00000286 Not tainted (2.6.15-1.1955_FC5guest) EAX: 0000005a EBX: c18d9000 ECX: 00000000 EDX: 00001000 ESI: c0599ac0 EDI: c18da000 EBP: 000000d0 DS: 007b ES: 007b CR0: 8005003b CR2: b7f8ccdd CR3: 068af000 CR4: 00000600 [<c01535bd>] cache_alloc_debugcheck_after+0x30/0xfb [<c0153752>] kmem_cache_alloc+0xca/0xd5 [<c0164761>] getname+0x18/0x9f [<c0164761>] getname+0x18/0x9f [<c0164761>] getname+0x18/0x9f [<c0166109>] __user_walk_fd+0xe/0x3a [<c0156485>] sys_faccessat+0x92/0x126 [<c016fd6c>] mntput_no_expire+0x14/0x75 [<c013950c>] audit_syscall_entry+0x10e/0x133 [<c0109fb0>] do_syscall_trace+0x112/0x15e [<c0156528>] sys_access+0xf/0x13 [<c0107a75>] syscall_call+0x7/0xb BUG: soft lockup detected on CPU#0! Pid: 30063, comm: prelink EIP: 0061:[<c01e52f9>] CPU: 0 EIP is at _raw_spin_lock+0x4f/0xd9 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000001 EBX: c6c04000 ECX: cf21cb78 EDX: 00000004 ESI: cf21cba4 EDI: cf21cba4 EBP: cf42a000 DS: 007b ES: 007b CR0: 8005003b CR2: 00786000 CR3: 02d5f000 CR4: 00000600 [<c0264163>] _spin_lock+0x6/0x8 [<c02619c0>] packet_rcv_spkt+0x156/0x226 [<c020e96a>] netif_receive_skb+0x200/0x279 [<d115bc4e>] netif_poll+0x554/0x741 [xennet] [<c0210205>] net_rx_action+0xcd/0x201 [<c011e382>] __do_softirq+0x70/0xef [<c011e441>] do_softirq+0x40/0x67 [<c010927b>] do_IRQ+0x22/0x28 [<c01f5c52>] evtchn_do_upcall+0x63/0x9d [<c0107c4c>] hypervisor_callback+0x2c/0x34 BUG: soft lockup detected on CPU#0! Pid: 30063, comm: prelink EIP: 0061:[<c02135d0>] CPU: 0 EIP is at neigh_lookup+0x33/0xa3 EFLAGS: 00000286 Not tainted (2.6.15-1.1955_FC5guest) EAX: c03df0e8 EBX: 00000001 ECX: df8982df EDX: 00000000 ESI: c02b50e0 EDI: cc74d030 EBP: 00000004 DS: 007b ES: 007b CR0: 8005003b CR2: b7da4000 CR3: 02d5f000 CR4: 00000600 [<c02449fa>] arp_process+0x46b/0x536 [<c015327e>] cache_free_debugcheck+0x19a/0x1bc [<c0153298>] cache_free_debugcheck+0x1b4/0x1bc [<c020b182>] kfree_skbmem+0x65/0x69 [<c015364e>] cache_alloc_debugcheck_after+0xc1/0xfb [<c0153298>] cache_free_debugcheck+0x1b4/0x1bc [<c020b182>] kfree_skbmem+0x65/0x69 [<c0154dab>] kmem_cache_free+0x3f/0x9c [<c0244e3c>] arp_rcv+0x10a/0x149 [<c020e995>] netif_receive_skb+0x22b/0x279 [<d115bc4e>] netif_poll+0x554/0x741 [xennet] [<c0210205>] net_rx_action+0xcd/0x201 [<c011e382>] __do_softirq+0x70/0xef [<c011e441>] do_softirq+0x40/0x67 [<c010927b>] do_IRQ+0x22/0x28 [<c01f5c52>] evtchn_do_upcall+0x63/0x9d [<c0107c4c>] hypervisor_callback+0x2c/0x34 [<c026007b>] packet_ioctl+0xbb/0xd3 [<c01f577c>] force_evtchn_callback+0xa/0xc [<c013f486>] free_hot_cold_page+0xae/0x181 [<c013f573>] __pagevec_free+0x1a/0x24 [<c0141b1f>] release_pages+0x11f/0x162 [<c014200b>] __pagevec_release+0x18/0x23 [<c014255a>] truncate_inode_pages_range+0xca/0x278 [<c014271d>] truncate_inode_pages+0x15/0x1c [<d1058945>] reiserfs_delete_inode+0x40/0x10a [reiserfs] [<c0153298>] cache_free_debugcheck+0x1b4/0x1bc [<c01641b2>] vfs_rename+0x3bf/0x3cf [<d1058905>] reiserfs_delete_inode+0x0/0x10a [reiserfs] [<c016d72b>] generic_delete_inode+0xa7/0x119 [<c016b78a>] dentry_iput+0x75/0x90 [<c016c090>] dput+0x151/0x169 [<c0165b7a>] sys_renameat+0x167/0x1bf [<c0156c5b>] sys_utime+0x109/0x125 [<c0153298>] cache_free_debugcheck+0x1b4/0x1bc [<c013933a>] audit_syscall_exit+0x27a/0x33e [<c013950c>] audit_syscall_entry+0x10e/0x133 [<c0109fb0>] do_syscall_trace+0x112/0x15e [<c0165be3>] sys_rename+0x11/0x15 [<c0107a75>] syscall_call+0x7/0xb BUG: soft lockup detected on CPU#0! Pid: 30997, comm: ld-linux.so.2 EIP: 0061:[<c0153469>] CPU: 0 EIP is at check_poison_obj+0x39/0x15d EFLAGS: 00000293 Not tainted (2.6.15-1.1955_FC5guest) EAX: 000000a5 EBX: ced5cdac ECX: ced5cdb0 EDX: ced5cd6b ESI: c05881c0 EDI: 0000002a EBP: 00000080 DS: 007b ES: 007b CR0: 8005003b CR2: b7f52000 CR3: 0b20d000 CR4: 00000600 [<c016dfaa>] file_update_time+0x2d/0x86 [<c01535af>] cache_alloc_debugcheck_after+0x22/0xfb [<c0153ed7>] __kmalloc_track_caller+0xfa/0x104 [<c0157d07>] sys_writev+0x3b/0x97 [<c015769f>] do_readv_writev+0x5b/0x242 [<c0157d07>] sys_writev+0x3b/0x97 [<c01629be>] pipe_write+0x0/0x2a [<c013950c>] audit_syscall_entry+0x10e/0x133 [<c0157d07>] sys_writev+0x3b/0x97 [<c0107a75>] syscall_call+0x7/0xb BUG: soft lockup detected on CPU#0! Pid: 31017, comm: ld-linux.so.2 EIP: 0073:[<002481d5>] CPU: 0 EIP is at 0x2481d5 ESP: 007b:bfef94fc EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 007a50dc EBX: 00258fd8 ECX: b7ff22d0 EDX: 000001ab ESI: 00444ae8 EDI: 00000218 EBP: bfef9564 DS: 007b ES: 007b CR0: 8005003b CR2: 0078d2ec CR3: 08272000 CR4: 00000600 BUG: soft lockup detected on CPU#0! Pid: 0, comm: swapper EIP: 0061:[<c01040c7>] CPU: 0 EIP is at 0xc01040c7 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000000 EBX: 00000001 ECX: 00000000 EDX: 00000000 ESI: 00000000 EDI: c02ea000 EBP: 00000020 DS: 007b ES: 007b CR0: 8005003b CR2: 00388304 CR3: 02d5f000 CR4: 00000600 [<c0105bf6>] xen_idle+0x59/0x68 [<c0105d09>] cpu_idle+0x8b/0xa4 [<c02ec708>] start_kernel+0x2ed/0x2f3 BUG: soft lockup detected on CPU#0! Pid: 31079, comm: ld-linux.so.2 EIP: 0073:[<002484c3>] CPU: 0 EIP is at 0x2484c3 ESP: 007b:bfe382cc EFLAGS: 00000202 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000000 EBX: 00258fd8 ECX: 00000061 EDX: 0026cbb3 ESI: 6cbb5430 EDI: f0000000 EBP: bfe383dc DS: 007b ES: 007b CR0: 8005003b CR2: 00256798 CR3: 0767d000 CR4: 00000600 BUG: soft lockup detected on CPU#0! Pid: 30063, comm: prelink EIP: 0061:[<c01e4597>] CPU: 0 EIP is at __copy_to_user_ll+0x3e/0xe2 EFLAGS: 00000216 Not tainted (2.6.15-1.1955_FC5guest) EAX: 5362646d EBX: cb830000 ECX: 00000ec0 EDX: 70720065 ESI: cb830140 EDI: 09f4766c EBP: c6c05ebc DS: 007b ES: 007b CR0: 8005003b CR2: 00ad1000 CR3: 02d5f000 CR4: 00000600 [<c013b397>] file_read_actor+0x60/0xd4 [<c013bc74>] do_generic_mapping_read+0x1b0/0x490 [<c013c67a>] __generic_file_aio_read+0x16b/0x1b3 [<c013b337>] file_read_actor+0x0/0xd4 [<c013d8c7>] generic_file_read+0xad/0xc3 [<c0156043>] do_filp_open+0x2d/0x35 [<c012b17f>] autoremove_wake_function+0x0/0x3a [<c0264163>] _spin_lock+0x6/0x8 [<c013950c>] audit_syscall_entry+0x10e/0x133 [<c0157af7>] vfs_read+0xa2/0x136 [<c0158015>] sys_pread64+0x43/0x5b [<c0107a75>] syscall_call+0x7/0xb BUG: soft lockup detected on CPU#0! Pid: 31583, comm: ld-linux.so.2 EIP: 0061:[<c016dfde>] CPU: 0 EIP is at file_update_time+0x61/0x86 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: cfd4ddbc EBX: cfd4dd68 ECX: 38e79400 EDX: 43fa1ca6 ESI: 00000000 EDI: 0000000a EBP: c02a3900 DS: 007b ES: 007b CR0: 8005003b CR2: 00256798 CR3: 0969e000 CR4: 00000600 [<c016299a>] pipe_writev+0x365/0x389 [<c0157794>] do_readv_writev+0x150/0x242 [<c01629be>] pipe_write+0x0/0x2a [<c0157d07>] sys_writev+0x3b/0x97 [<c0107a75>] syscall_call+0x7/0xb INIT: version 2.86 reloading BUG: soft lockup detected on CPU#0! Pid: 0, comm: swapper EIP: 0061:[<c01040c7>] CPU: 0 EIP is at 0xc01040c7 EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000000 EBX: 00000001 ECX: 00000000 EDX: 00000000 ESI: 00000000 EDI: c02ea000 EBP: 00000020 DS: 007b ES: 007b CR0: 8005003b CR2: 08652a74 CR3: 0fdde000 CR4: 00000600 [<c0105bf6>] xen_idle+0x59/0x68 [<c0105d09>] cpu_idle+0x8b/0xa4 [<c02ec708>] start_kernel+0x2ed/0x2f3 BUG: soft lockup detected on CPU#0! Pid: 0, comm: swapper EIP: 0061:[<c01040c7>] CPU: 0 EIP is at 0xc01040c7 EFLAGS: 00200246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000000 EBX: 00000001 ECX: 00000000 EDX: 00000000 ESI: 00000000 EDI: c02ea000 EBP: 00000020 DS: 007b ES: 007b CR0: 8005003b CR2: b7da4000 CR3: 0de0c000 CR4: 00000600 [<c0105bf6>] xen_idle+0x59/0x68 [<c0105d09>] cpu_idle+0x8b/0xa4 [<c02ec708>] start_kernel+0x2ed/0x2f3 BUG: soft lockup detected on CPU#0! Pid: 0, comm: swapper EIP: 0061:[<c01040c7>] CPU: 0 EIP is at 0xc01040c7 EFLAGS: 00200246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000000 EBX: 00000001 ECX: 00000000 EDX: 00000000 ESI: 00000000 EDI: c02ea000 EBP: 00000020 DS: 007b ES: 007b CR0: 8005003b CR2: 0016c9f8 CR3: 0de0c000 CR4: 00000600 [<c0105bf6>] xen_idle+0x59/0x68 [<c0105d09>] cpu_idle+0x8b/0xa4 [<c02ec708>] start_kernel+0x2ed/0x2f3 BUG: soft lockup detected on CPU#0! Pid: 1507, comm: sh EIP: 0061:[<c015346c>] CPU: 0 EIP is at check_poison_obj+0x3c/0x15d EFLAGS: 00000246 Not tainted (2.6.15-1.1955_FC5guest) EAX: 00000fa5 EBX: c9a6e000 ECX: c9a6e000 EDX: c9a6e06b ESI: c0599ac0 EDI: 000000a3 EBP: 00001000 DS: 007b ES: 007b CR0: 8005003b CR2: 080976c0 CR3: 05223000 CR4: 00000600 [<c01535af>] cache_alloc_debugcheck_after+0x22/0xfb [<c0153752>] kmem_cache_alloc+0xca/0xd5 [<c0164761>] getname+0x18/0x9f [<c0164761>] getname+0x18/0x9f [<c0164761>] getname+0x18/0x9f [<c01061fd>] sys_execve+0xc/0x6d [<c0107a75>] syscall_call+0x7/0xb -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list