Comment 54 for bug 634487

The stack trace is different though:

Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935506] ------------[ cut here ]------------
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935508] WARNING: at /build/buildd/linux-2.6.38/arch/x86/xen/multicalls.c:182 xen_mc_flush+0x1a8/0x1b0()
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935510] Modules linked in: acpiphp
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935513] Pid: 1579, comm: java Tainted: G W 2.6.38-8-virtual #42-Ubuntu
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935514] Call Trace:
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935517] [<c0158b52>] ? warn_slowpath_common+0x72/0xa0
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935519] [<c0104cc8>] ? xen_mc_flush+0x1a8/0x1b0
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935522] [<c0104cc8>] ? xen_mc_flush+0x1a8/0x1b0
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935524] [<c0158ba2>] ? warn_slowpath_null+0x22/0x30
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935527] [<c0104cc8>] ? xen_mc_flush+0x1a8/0x1b0
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935529] [<c010538a>] ? xen_extend_mmu_update+0x4a/0x70
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935532] [<c010687d>] ? xen_set_pud_hyper+0x7d/0x80
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935534] [<c01068c7>] ? xen_set_pud+0x47/0x60
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935537] [<c013a695>] ? pud_populate+0x45/0x60
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935539] [<c020aff3>] ? __pmd_alloc+0x73/0x90
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935542] [<c020bc54>] ? handle_mm_fault+0x174/0x190
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935544] [<c0639d00>] ? do_page_fault+0x0/0x490
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935547] [<c0639e5e>] ? do_page_fault+0x15e/0x490
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935549] [<c02101d3>] ? sys_mmap_pgoff+0x73/0x1d0
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935552] [<c02105ab>] ? sys_munmap+0x4b/0x60
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935554] [<c0639d00>] ? do_page_fault+0x0/0x490
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935557] [<c063706f>] ? error_code+0x67/0x6c
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935558] ---[ end trace b828e3a0dda720b7 ]---
Jun 21 17:35:36 ip-10-244-167-3 kernel: [ 110.935567] 1 multicall(s) failed: cpu 0