You can always take the patch and apply it locally to your clients to see if it fixes the issue.
Cheers, Andreas On Jan 2, 2025, at 06:27, Aurelien Degremont <[email protected]> wrote: You don't often get email from [email protected]. Learn why this is important<https://aka.ms/LearnAboutSenderIdentification> Hello Peter, This is indeed this bug, and as the ticket said, this is not fixed in 2.15.x, only 2.16.0 I've no idea if this will ever make 2.15.x Aurélien ________________________________ De : lustre-discuss <[email protected]> de la part de Peter Grandi <[email protected]> Envoyé : jeudi 2 janvier 2025 13:45 À : list Linux fs Lustre <[email protected]> Objet : [lustre-discuss] LBUG: 2.5.16, EL8 Linux 4.18.0-553.30.1 in 'll_truncate_inode_pages External email: Use caution opening links or attachments Relatively rarely across a 200-machine cluster I get an LBUG on the clients which seems triggered by specific access patterns (most jobs do not trigger it) and looks quite similar to: https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fjira.whamcloud.com%2Fbrowse%2FLU-16637&data=05%7C02%7Cadegremont%40nvidia.com%7Cf5d4d3826d8a48b637a508dd2b2bc296%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C638714189150988150%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=D4tRyR%2BoN2euGk8W5zjL1Y3ksJ6j0iFuJ7%2FS%2BYidmIg%3D&reserved=0<https://jira.whamcloud.com/browse/LU-16637> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.lustre.org%2Fpipermail%2Flustre-devel-lustre.org%2F2023-April%2F011016.html&data=05%7C02%7Cadegremont%40nvidia.com%7Cf5d4d3826d8a48b637a508dd2b2bc296%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C638714189151026923%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Qwm%2Blb7Wb4nGaO%2Fb6wW6LPUuW22DsLlwnUGG2R5wtik%3D&reserved=0<http://lists.lustre.org/pipermail/lustre-devel-lustre.org/2023-April/011016.html> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.whamcloud.com%2F%3Fp%3Dfs%2Flustre-release.git%3Ba%3Dcommit%3Bh%3D7bb1e211d217d5a82ac2d5e4edad5ae018090761&data=05%7C02%7Cadegremont%40nvidia.com%7Cf5d4d3826d8a48b637a508dd2b2bc296%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C638714189151046567%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=8JLPFy1CyyoJn9OrW8i6mnSo%2BW6Q3D2JSK0ZNKHCn%2Fg%3D&reserved=0<https://git.whamcloud.com/?p=fs/lustre-release.git;a=commit;h=7bb1e211d217d5a82ac2d5e4edad5ae018090761> Since the LBUG is fatal all I get is the backtrace from the crash dump: lbug_with_loc.cxold.8+0x18 ll_truncate_inode_pages_final+0xab vvp_prune+0x181 cl_object_prune+0x58 lov_layout_change.isra.49+0x1ba lov_conf_set+0x391 cl_conf_set+0x60 ll_layout_conf+0x14b ? _ptlrpc_req_finished+0x54d ll_layout_lock_set+0x3df ? ll_take_md_lock+0x148 ll_layout_refresh+0x1cc vvp_io_init+0x22e cl_io_init0.isra.14+0x86 ll_file_io_generic+0x388 ? file_update_time+0x62 ? srso_return_thunk+0x5 ? __generic_file_write_iter+0x102 ll_file_write_iter+0x558 ? kmem_cache_freee+0x116 new_sync_write+0x112 vfs_write+0x5a If this is a manifestation of LU-16637 there is a fix, but I have checked the changelogs and LU-16637 is listed as applied to 2.16.0 but it does not seem to be listed in the 2.15.[1-6] changelogs. _______________________________________________ lustre-discuss mailing list [email protected] https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.lustre.org%2Flistinfo.cgi%2Flustre-discuss-lustre.org&data=05%7C02%7Cadegremont%40nvidia.com%7Cf5d4d3826d8a48b637a508dd2b2bc296%7C43083d15727340c1b7db39efd9ccc17a%7C0%7C0%7C638714189151061516%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=5zgL9DVZ6HA1M630A1e4RSajZnPBoCfQA%2BuryjBnbfk%3D&reserved=0<http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org> _______________________________________________ lustre-discuss mailing list [email protected] http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
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