I just discovered a few page allocation errors in dmesg on dom0. xm dmesg attached. It''s not a full crash, dom0/domU are still up. Any ideas for things to check or additional information to provide? Ubuntu Lucid alternate install Xen 4.0 testing (last commit Oct. 18th 21368:5221fcc3df64) dom0 2.6.34 (base release) + Andrew Lyon''s patches upowerd: page allocation failure. order:4, mode:0xd0 Pid: 9520, comm: upowerd Not tainted 2.6.34-sxen5 #1 Call Trace: [<ffffffff8019a371>] ? __alloc_pages_nodemask+0x553/0x5d9 [<ffffffff801beb0d>] ? cache_alloc_refill+0x295/0x526 [<ffffffff801bf1e9>] ? kmem_cache_alloc_notrace+0x64/0xd4 [<ffffffff803b0b59>] ? hiddev_open+0x61/0x22c [<ffffffff8036ecb7>] ? usb_open+0xb5/0x161 [<ffffffff801c669d>] ? chrdev_open+0x16a/0x18b [<ffffffff801c6533>] ? chrdev_open+0x0/0x18b [<ffffffff801c2493>] ? __dentry_open+0x16f/0x2a9 [<ffffffff801cd2b5>] ? do_last+0x4ba/0x62a [<ffffffff801cef0e>] ? do_filp_open+0x1e7/0x5c3 [<ffffffff801b0d45>] ? unmap_region+0x139/0x14f [<ffffffff801c2244>] ? do_sys_open+0x56/0xf9 [<ffffffff80104e48>] ? system_call_fastpath+0x16/0x1b [<ffffffff80104de0>] ? system_call+0x0/0x52 Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 CPU 1: hi: 0, btch: 1 usd: 0 DMA32 per-cpu: CPU 0: hi: 155, btch: 38 usd: 0 CPU 1: hi: 155, btch: 38 usd: 0 active_anon:12905 inactive_anon:43123 isolated_anon:3 active_file:55968 inactive_file:89419 isolated_file:0 unevictable:4 dirty:103 writeback:0 unstable:0 free:5926 slab_reclaimable:17630 slab_unreclaimable:5765 mapped:6962 shmem:231 pagetables:0 bounce:0 DMA free:4040kB min:60kB low:72kB high:88kB active_anon:0kB inactive_anon:32kB active_file:20kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:16160kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:24kB slab_unreclaimable:0kB kernel_stack:8kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 994 994 994 DMA32 free:19664kB min:4000kB low:5000kB high:6000kB active_anon:51620kB inactive_anon:172460kB active_file:223852kB inactive_file:357672kB unevictable:16kB isolated(anon):12kB isolated(file):0kB present:1017968kB mlocked:16kB dirty:412kB writeback:0kB mapped:27848kB shmem:924kB slab_reclaimable:70496kB slab_unreclaimable:23060kB kernel_stack:2336kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 4*4kB 1*8kB 3*16kB 4*32kB 4*64kB 4*128kB 2*256kB 3*512kB 1*1024kB 0*2048kB 0*4096kB = 4040kB DMA32: 4100*4kB 366*8kB 19*16kB 1*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 19664kB 146352 total pagecache pages 723 pages in swap cache Swap cache stats: add 2208, delete 1485, find 1298/1371 Free swap = 2091000kB Total swap = 2097148kB 264192 pages RAM 26712 pages reserved 131842 pages shared 127043 pages non-shared hald-probe-hidd: page allocation failure. order:4, mode:0xd0 Pid: 9639, comm: hald-probe-hidd Not tainted 2.6.34-sxen5 #1 Call Trace: [<ffffffff8019a371>] ? __alloc_pages_nodemask+0x553/0x5d9 [<ffffffff801beb0d>] ? cache_alloc_refill+0x295/0x526 [<ffffffff801bf1e9>] ? kmem_cache_alloc_notrace+0x64/0xd4 [<ffffffff803b0b59>] ? hiddev_open+0x61/0x22c [<ffffffff8036ecb7>] ? usb_open+0xb5/0x161 [<ffffffff801c669d>] ? chrdev_open+0x16a/0x18b [<ffffffff801c6533>] ? chrdev_open+0x0/0x18b [<ffffffff801c2493>] ? __dentry_open+0x16f/0x2a9 [<ffffffff801cd2b5>] ? do_last+0x4ba/0x62a [<ffffffff801cef0e>] ? do_filp_open+0x1e7/0x5c3 [<ffffffff8046a174>] ? schedule+0x78a/0x86d [<ffffffff8013fd1d>] ? do_sigaction+0x11d/0x187 [<ffffffff801c2244>] ? do_sys_open+0x56/0xf9 [<ffffffff80104e48>] ? system_call_fastpath+0x16/0x1b [<ffffffff80104de0>] ? system_call+0x0/0x52 Mem-Info: DMA per-cpu: CPU 0: hi: 0, btch: 1 usd: 0 CPU 1: hi: 0, btch: 1 usd: 0 DMA32 per-cpu: CPU 0: hi: 155, btch: 38 usd: 0 CPU 1: hi: 155, btch: 38 usd: 0 active_anon:15586 inactive_anon:43023 isolated_anon:0 active_file:56665 inactive_file:82966 isolated_file:46 unevictable:4 dirty:121 writeback:0 unstable:0 free:8929 slab_reclaimable:17312 slab_unreclaimable:5933 mapped:8605 shmem:497 pagetables:0 bounce:0 DMA free:4040kB min:60kB low:72kB high:88kB active_anon:0kB inactive_anon:32kB active_file:20kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:16160kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:24kB slab_unreclaimable:0kB kernel_stack:8kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 994 994 994 DMA32 free:31676kB min:4000kB low:5000kB high:6000kB active_anon:62344kB inactive_anon:172060kB active_file:226640kB inactive_file:331860kB unevictable:16kB isolated(anon):0kB isolated(file):184kB present:1017968kB mlocked:16kB dirty:484kB writeback:0kB mapped:34420kB shmem:1988kB slab_reclaimable:69224kB slab_unreclaimable:23732kB kernel_stack:2368kB pagetables:0kB unstable:0kB bounce:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 4*4kB 1*8kB 3*16kB 4*32kB 4*64kB 4*128kB 2*256kB 3*512kB 1*1024kB 0*2048kB 0*4096kB = 4040kB DMA32: 6891*4kB 452*8kB 13*16kB 1*32kB 4*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 31676kB 140779 total pagecache pages 625 pages in swap cache Swap cache stats: add 2233, delete 1608, find 1359/1438 Free swap = 2091132kB Total swap = 2097148kB 264192 pages RAM 26712 pages reserved 136165 pages shared 124124 pages non-shared _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users