https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-15759 Lustre <p><b>Reproducer:</b></p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># modprobe lustre # routerstat 1 &gt; /dev/null &amp; # lustre_rmmod (Crash ....) </pre> </div></div> <p><b>Crash:</b></p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[10595.176267] LNet: Removed LNI 10.0.2.4@tcp [10595.978118] BUG: unable to handle kernel paging request at ffffffffc07a1528 [10595.978143] IP: [&lt;ffffffffb044e093&gt;] SyS_lseek+0x83/0x100 [10595.978160] PGD d8414067 PUD d8416067 PMD d9b4e067 PTE 0 [10595.978175] Oops: 0000 [#1] SMP [10595.978185] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache sunrpc dm_snapshot dm_bufio iosf_mbi crc32_pclmul snd_intel8x0 snd_ac97_codec ac97_bus ppdev snd_seq snd_seq_device ghash_clmulni_intel snd_pcm aesni_intel lrw gf128mul glue_helper ablk_helper cryptd sg snd_timer snd pcspkr soundcore i2c_piix4 parport_pc parport video ip_tables xfs libcrc32c sr_mod sd_mod cdrom crc_t10dif crct10dif_generic ata_generic pata_acpi vmwgfx drm_kms_helper syscopyarea sysfillrect sysimgblt ahci fb_sys_fops ttm libahci ata_piix crct10dif_pclmul crct10dif_common drm crc32c_intel serio_raw libata e1000 drm_panel_orientation_quirks dm_mirror dm_region_hash dm_log dm_mod [last unloaded: libcfs] [10595.978374] CPU: 3 PID: 4996 Comm: routerstat Kdump: loaded Tainted: G OE ------------ 3.10.0-1160.59.1.el7.centos.plus.x86_64 #1 [10595.978401] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [10595.978418] task: ffff916c95e98000 ti: ffff916c92d9c000 task.ti: ffff916c92d9c000 [10595.978434] RIP: 0010:[&lt;ffffffffb044e093&gt;] [&lt;ffffffffb044e093&gt;] SyS_lseek+0x83/0x100 [10595.978453] RSP: 0018:ffff916c92d9ff10 EFLAGS: 00010282 [10595.978464] RAX: ffffffffb044d650 RBX: ffff916c975b5300 RCX: ffffffffffffffff [10595.978480] RDX: ffffffffc07a1520 RSI: ffff916c92d9ff14 RDI: 0000000000000003 [10595.978495] RBP: ffff916c92d9ff48 R08: 00007fff83a46530 R09: 00007fff83a46370 [10595.978510] R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000 [10595.978526] R13: 0000000000000000 R14: 0000000000000000 R15: fffffffffffffff7 [10595.978541] FS: 00007f54d3266740(0000) GS:ffff916cdfd80000(0000) knlGS:0000000000000000 [10595.978558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10595.978571] CR2: ffffffffc07a1528 CR3: 00000000bf136000 CR4: 00000000000606e0 [10595.978588] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10595.978603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10595.978618] Call Trace: [10595.978628] [&lt;ffffffffb09aaf92&gt;] system_call_fastpath+0x25/0x2a [10595.978643] [&lt;ffffffffb09aaed5&gt;] ? system_call_after_swapgs+0xa2/0x13a [10595.978657] Code: 8d bb d8 00 00 00 41 83 cc 02 e8 99 d7 54 00 41 83 fd 04 77 73 f6 43 44 04 48 c7 c0 50 d6 44 b0 74 1b 48 8b 53 28 48 85 d2 74 12 &lt;48&gt; 8b 42 08 48 c7 c2 50 d6 44 b0 48 85 c0 48 0f 44 c2 44 89 ea [10595.979698] RIP [&lt;ffffffffb044e093&gt;] SyS_lseek+0x83/0x100 [10595.980215] RSP &lt;ffff916c92d9ff10&gt; [10595.980892] CR2: ffffffffc07a1528 </pre> </div></div> VMs + lustre 2.15 (ldiskfs) LU-15759

Crash when unloading lnet with routerstat running.

Bug Minor Open Unresolved Etienne Aujames Etienne Aujames Tue, 19 Apr 2022 13:36:44 +0000 Sun, 23 Jul 2023 01:21:21 +0000 0 5 <p>Etienne</p> <p>Will there be more details about the crash?</p> <p>Peter</p> <p><del>"Etienne AUJAMES &lt;eaujames@ddn.com&gt;" uploaded a new patch:</del> <a href="https://review.whamcloud.com/47101" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/47101</a><br/> <del>Subject: <a href="https://jira.whamcloud.com/browse/LU-15759" title="Crash when unloading lnet with routerstat running." class="issue-link" data-issue-key="LU-15759">LU-15759</a> libcfs: debugfs file_operation should have an owner</del><br/> <del>Project: fs/lustre-release</del><br/> <del>Branch: master</del><br/> <del>Current Patch Set: 1</del><br/> <del>Commit: 96c9a6b419d8b37282a058acb3b66b7c48e67214</del></p> <p>"Neil Brown &lt;neilb@suse.de&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/47335" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/47335</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15759" title="Crash when unloading lnet with routerstat running." class="issue-link" data-issue-key="LU-15759">LU-15759</a> libcfs: debugfs file_operation should have an owner<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: d523eed020c771215574025d5e3aef7c3b427224</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/47335/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/47335/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15759" title="Crash when unloading lnet with routerstat running." class="issue-link" data-issue-key="LU-15759">LU-15759</a> libcfs: debugfs file_operation should have an owner<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: b2dfb4457f0f1e56f3df448cf67ac97e728f4417</p> <p>"Etienne AUJAMES &lt;eaujames@ddn.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/48279" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/48279</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15759" title="Crash when unloading lnet with routerstat running." class="issue-link" data-issue-key="LU-15759">LU-15759</a> libcfs: debugfs file_operation should have an owner<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: fb3401eb26bd1b3618762d9f90fa1fb2ad29e27e</p> <p>"Etienne AUJAMES &lt;eaujames@ddn.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51359" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51359</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15759" title="Crash when unloading lnet with routerstat running." class="issue-link" data-issue-key="LU-15759">LU-15759</a> libcfs: debugfs file_operation should have an owner<br/> Project: fs/lustre-release<br/> Branch: b2_15<br/> Current Patch Set: 1<br/> Commit: 1d92f7d5dae5a99513c49692a2c9022fb3eb606f</p> Related LU-15843 Development Rank 1|i02ncn: Rank (Obsolete) 9223372036854775807 Severity