Details
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Bug
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Resolution: Unresolved
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Minor
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None
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None
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None
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3
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9223372036854775807
Description
LBUG in mdc_page_locate is happening from time to time on our HPC login nodes and ARC node.
[134359.416653] LustreError: 3619:0:(mdc_request.c:1142:mdc_page_locate()) ASSERTION( *start <= *hash ) failed: start = 0x574,end = 0x18e,hash = 0x18e [134359.420056] LustreError: 3619:0:(mdc_request.c:1142:mdc_page_locate()) LBUG [134359.422647] Pid: 3619, comm: cache-clean 3.10.0-1160.83.1.el7.x86_64 #1 SMP Wed Jan 25 16:41:43 UTC 2023 [134359.425367] Call Trace: [134359.429821] [<ffffffffc08567cc>] libcfs_call_trace+0x8c/0xd0 [libcfs] [134359.432752] [<ffffffffc085689c>] lbug_with_loc+0x4c/0xa0 [libcfs] [134359.434703] [<ffffffffc0b60a80>] mdc_read_page+0x8a0/0x970 [mdc] [134359.436624] [<ffffffffc0dac1e6>] lmv_read_page+0x156/0x3b0 [lmv] [134359.438808] [<ffffffffc0dd98ec>] ll_get_dir_page+0xac/0x1b0 [lustre] [134359.441457] [<ffffffffc0dd9ccf>] ll_dir_read+0x20f/0x320 [lustre] [134359.443544] [<ffffffffc0dd9f20>] ll_readdir+0x140/0x4d0 [lustre] [134359.445484] [<ffffffffa7c717af>] iterate_dir+0x9f/0x140 [134359.448575] [<ffffffffa7c71cdc>] SyS_getdents+0x9c/0x120 [134359.450480] [<ffffffffa81c539a>] system_call_fastpath+0x25/0x2a [134359.452632] [<ffffffffffffffff>] 0xffffffffffffffff [134359.458091] Kernel panic - not syncing: LBUG [134359.459266] CPU: 1 PID: 3619 Comm: cache-clean Kdump: loaded Tainted: G OE ------------ 3.10.0-1160.83.1.el7.x86_64 #1 [134359.461671] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011 [134359.462959] Call Trace: [134359.463877] [<ffffffffa81b1bec>] dump_stack+0x19/0x1f [134359.465676] [<ffffffffa81ab708>] panic+0xe8/0x21f [134359.467002] [<ffffffffc08568eb>] lbug_with_loc+0x9b/0xa0 [libcfs] [134359.468329] [<ffffffffc0b60a80>] mdc_read_page+0x8a0/0x970 [mdc] [134359.469654] [<ffffffffc0dac1e6>] lmv_read_page+0x156/0x3b0 [lmv] [134359.471193] [<ffffffffc0dd98ec>] ll_get_dir_page+0xac/0x1b0 [lustre] [134359.472991] [<ffffffffc0e16ef0>] ? ll_md_need_convert+0x1b0/0x1b0 [lustre] [134359.474933] [<ffffffffc0dd9ccf>] ll_dir_read+0x20f/0x320 [lustre] [134359.476628] [<ffffffffa7c71850>] ? iterate_dir+0x140/0x140 [134359.477767] [<ffffffffc0dd9f20>] ll_readdir+0x140/0x4d0 [lustre] [134359.478923] [<ffffffffa7c71850>] ? iterate_dir+0x140/0x140 [134359.480001] [<ffffffffa7c717af>] iterate_dir+0x9f/0x140 [134359.481022] [<ffffffffa7c71cdc>] SyS_getdents+0x9c/0x120 [134359.482050] [<ffffffffa7c71850>] ? iterate_dir+0x140/0x140 [134359.483325] [<ffffffffa81c539a>] system_call_fastpath+0x25/0x2a
vmcore available additional info is needed