First proposal for a fix to be discussed ** Patch added: "lp1496317_small_initrd.debdiff" https://bugs.launchpad.net/ubuntu/+source/kexec-tools/+bug/1496317/+attachment/4477591/+files/lp1496317_small_initrd.debdiff
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to kexec-tools in Ubuntu. https://bugs.launchpad.net/bugs/1496317 Title: kexec fails with OOM killer with the current crashkernel=128 value Status in kexec-tools package in Ubuntu: In Progress Bug description: With a very basic Wily image, just trigger a crash with sysrq-trigger after installing and setting up linux-crashdump and the kexec will fail with the following : [ 0.334592] Trying to unpack rootfs image as initramfs... [ 0.649440] swapper/0 invoked oom-killer: gfp_mask=0x200d2, order=0, oom_score_adj=0 [ 0.650332] swapper/0 cpuset=/ mems_allowed=0 [ 0.650856] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.2.0-7-generic #7-Ubuntu [ 0.651788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 0.652691] ffff88002fd906c8 ffff88002fcf76a8 ffffffff817b0465 000000000000000f [ 0.653556] ffff88002fd90000 ffff88002fcf7738 ffffffff817ae2b5 ffff88002ffc0e28 [ 0.654418] ffff880033c164c0 ffff880033c16530 ffff88002fd90068 ffff88002fcf7748 ... [ 0.682339] Mem-Info: [756/1897] [ 0.682599] active_anon:0 inactive_anon:0 isolated_anon:0 [ 0.682599] active_file:2023 inactive_file:0 isolated_file:0 [ 0.682599] unevictable:14845 dirty:0 writeback:0 unstable:0 [ 0.682599] slab_reclaimable:1722 slab_unreclaimable:632 [ 0.682599] mapped:0 shmem:0 pagetables:0 bounce:0 [ 0.682599] free:0 free_pcp:2 free_cma:0 [ 0.685982] Node 0 DMA free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inact ive_file:0kB unevictable:540kB isolated(anon):0kB isolated(file):0kB present:632kB managed:548kB mlocked:0kB dirty: 0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:8kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:540 all_unreclaimab le? yes [ 0.690450] lowmem_reserve[]: 0 0 0 0 [ 0.690928] Node 0 DMA32 free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:8092kB inactive_file:0kB unevictable:58840kB isolated(anon):0kB isolated(file):0kB present:130420kB managed:78064kB mlocke d:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:6880kB slab_unreclaimable:2528kB kernel_stack:4 64kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:8kB local_pcp:8kB free_cma:0kB writeback_tmp:0kB pages_scanned :58840 all_unreclaimable? yes [ 0.695547] lowmem_reserve[]: 0 0 0 0 [ 0.696049] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0k B [ 0.697335] Node 0 DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 0.698641] 16868 total pagecache pages [ 0.699075] 0 pages in swap cache [ 0.699448] Swap cache stats: add 0, delete 0, find 0/0 [ 0.700029] Free swap = 0kB [ 0.700356] Total swap = 0kB [ 0.700679] 32763 pages RAM [ 0.700991] 0 pages HighMem/MovableOnly [ 0.701418] 13110 pages reserved [ 0.701778] 0 pages cma reserved [ 0.702139] 0 pages hwpoisoned [ 0.702481] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 0.703423] Kernel panic - not syncing: Out of memory and no killable processes... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kexec-tools/+bug/1496317/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
