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Support kernel 6.11 #1549

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Support kernel 6.11 #1549

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@robertbaldyga robertbaldyga marked this pull request as ready for review October 8, 2024 12:50
@robertbaldyga robertbaldyga force-pushed the kernel-6.11 branch 2 times, most recently from 1e7ab56 to c136957 Compare November 5, 2024 12:20
@robertbaldyga
Support kernel 6.11
0208852 
Signed-off-by: Robert Baldyga <[email protected]>
@boxerab
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boxerab commented Nov 15, 2024

I hope this gets merged soon - just installed Fedora 41 but can't install opencas from master

@katlapinka
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There is kernel bug while adding core device:

[ 124.451842] cache1: Successfully attached
[ 124.451887] [Open-CAS] Adding device /dev/disk/by-id/virtio-cache1-part1 as cache cache1
[ 124.451964] [Open-CAS] [Classifier] Initialized IO classifier
[ 137.464775] cache1: Inserting core core1
[ 137.464822] cache1.core1: Seqential cutoff init
[ 137.494009] cache1.core1: Successfully added
[ 137.494616] Invalid logical block size (-13421105)
[ 137.494638] BUG: kernel NULL pointer dereference, address: 000000000000003a
[ 137.494639] #PF: supervisor read access in kernel mode
[ 137.494641] #PF: error_code(0x0000) - not-present page
[ 137.494643] PGD 8986de067 P4D 0
[ 137.494646] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 137.494649] CPU: 7 PID: 1695 Comm: casadm Kdump: loaded Tainted: G OE ------- --- 5.14.0-533.el9.x86_64 #1
[ 137.494651] Hardware name: Red Hat KVM/RHEL-AV, BIOS 1.16.0-4.module_el8+603+e0ca2c01 04/01/2014
[ 137.494652] RIP: 0010:cas_exp_obj_create+0x26d/0x8e0 [cas_cache]
[ 137.494694] Code: 00 00 31 d2 4c 89 ee 48 c7 c1 80 ac 0f c1 4c 89 f7 44 89 1c 24 e8 23 1a b4 d3 44 8b 1c 24 48 85 c0 49 89 c5 0f 84 31 06 00 00 <48> 8b 40 50 4d 89 2f 48 89 df 44 89 5c 24 08 48 89 04 24 48 8b 43
[ 137.494696] RSP: 0018:ff3a8a7ec78bb838 EFLAGS: 00010282
[ 137.494698] RAX: ffffffffffffffea RBX: ff3335c7c9358c30 RCX: 0000000000004007
[ 137.494699] RDX: 0000000000002007 RSI: 000000000003c6b0 RDI: 08ce6eb3cf3533ff
[ 137.494700] RBP: ffffffffc10fa640 R08: 000000000000007f R09: 0000000000000000
[ 137.494701] R10: ff3a8a7ec78bb4c8 R11: 0000000000000000 R12: ff3a8a7ec7a8e480
[ 137.494702] R13: ffffffffffffffea R14: ff3335cf466c1e60 R15: ff3335cf466c1e00
[ 137.494703] FS: 00007fdb553f1740(0000) GS:ff3335d71fa40000(0000) knlGS:0000000000000000
[ 137.494705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 137.494706] CR2: 000000000000003a CR3: 0000000888000004 CR4: 0000000000771ef0
[ 137.494709] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 137.494710] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 137.494711] PKRU: 55555554
[ 137.494712] Call Trace:
[ 137.494715]
[ 137.494718] ? show_trace_log_lvl+0x1c4/0x2df
[ 137.494743] ? show_trace_log_lvl+0x1c4/0x2df
[ 137.494746] ? kcas_core_create_exported_object+0xc9/0x110 [cas_cache]
[ 137.494775] ? __die_body.cold+0x8/0xd
[ 137.494778] ? page_fault_oops+0x134/0x170
[ 137.494789] ? exc_page_fault+0x62/0x150
[ 137.494812] ? asm_exc_page_fault+0x22/0x30
[ 137.494820] ? cas_exp_obj_create+0x26d/0x8e0 [cas_cache]
[ 137.494836] ? cas_exp_obj_create+0x25d/0x8e0 [cas_cache]
[ 137.494851] ? kvm_sched_clock_read+0xd/0x20
[ 137.494853] ? sched_clock+0xc/0x30
[ 137.494861] ? sched_clock_cpu+0xb/0x190
[ 137.494872] ? __smp_call_single_queue+0xae/0x120
[ 137.494883] ? _raw_spin_unlock_irq+0xa/0x30
[ 137.494886] ? __wait_for_common+0x19a/0x1d0
[ 137.494889] ? __pfx_schedule_timeout+0x10/0x10
[ 137.494892] ? available_idle_cpu+0x45/0x60
[ 137.494898] ? select_idle_sibling+0xc0/0x4b0
[ 137.494903] ? _raw_spin_unlock+0xb/0x30
[ 137.494904] ? select_task_rq_fair+0x193/0x360
[ 137.494907] ? kvm_sched_clock_read+0xd/0x20
[ 137.494908] ? sched_clock+0xc/0x30
[ 137.494909] ? sched_clock_cpu+0xb/0x190
[ 137.494911] ? __smp_call_single_queue+0xae/0x120
[ 137.494913] ? ttwu_queue_wakelist+0xf2/0x110
[ 137.494918] ? _raw_spin_unlock_irqrestore+0xa/0x30
[ 137.494921] ? try_to_wake_up+0x1ca/0x530
[ 137.494923] ? do_set_cpus_allowed+0x36/0x70
[ 137.494926] ? alloc_workqueue+0x332/0x490
[ 137.494930] ? snprintf+0x49/0x70
[ 137.494944] kcas_core_create_exported_object+0xc9/0x110 [cas_cache]
[ 137.494960] cache_mngt_add_core_to_cache+0x13c/0x370 [cas_cache]
[ 137.494979] ? cache_mngt_prepare_core_cfg+0x200/0x320 [cas_cache]
[ 137.494997] cas_service_ioctl_ctrl+0x1ea9/0x22f0 [cas_cache]
[ 137.495014] __x64_sys_ioctl+0x87/0xc0
[ 137.495023] do_syscall_64+0x5c/0xf0
[ 137.495030] ? __check_object_size.part.0+0x47/0xd0
[ 137.495033] ? kmem_cache_free+0x1e/0x380
[ 137.495039] ? mntput_no_expire+0x4a/0x250
[ 137.495044] ? do_readlinkat+0x117/0x130
[ 137.495046] ? syscall_exit_work+0x103/0x130
[ 137.495051] ? syscall_exit_to_user_mode+0x19/0x40
[ 137.495052] ? do_syscall_64+0x6b/0xf0
[ 137.495054] ? __count_memcg_events+0x4f/0xb0
[ 137.495063] ? mm_account_fault+0x6c/0x100
[ 137.495070] ? handle_mm_fault+0x141/0x270
[ 137.495075] ? do_user_addr_fault+0x362/0x620
[ 137.495077] ? clear_bhb_loop+0x25/0x80
[ 137.495079] ? clear_bhb_loop+0x25/0x80
[ 137.495080] ? clear_bhb_loop+0x25/0x80
[ 137.495081] ? clear_bhb_loop+0x25/0x80
[ 137.495082] ? clear_bhb_loop+0x25/0x80
[ 137.495083] entry_SYSCALL_64_after_hwframe+0x78/0x80
[ 137.495087] RIP: 0033:0x7fdb5510357b
[ 137.495118] Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 75 68 0f 00 f7 d8 64 89 01 48
[ 137.495119] RSP: 002b:00007ffcd673c1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 137.495120] RAX: ffffffffffffffda RBX: 0000000000001000 RCX: 00007fdb5510357b
[ 137.495121] RDX: 00007ffcd673c270 RSI: 00000000d00cba16 RDI: 0000000000000005
[ 137.495122] RBP: 000055cbc90aa400 R08: 0000000000000005 R09: ffffffffffffffff
[ 137.495123] R10: 0000000000000100 R11: 0000000000000246 R12: 0000000000000001
[ 137.495124] R13: 00007ffcd6742550 R14: 0000000000000000 R15: 0000000000000000
[ 137.495125]
[ 137.495126] Modules linked in: rfkill vfat fat intel_rapl_msr intel_rapl_common intel_uncore_frequency_common nfit libnvdimm kvm_intel cas_cache(OE) iTCO_wdt iTCO_vendor_support ppdev kvm virtio_gpu virtio_dma_buf rapl virtio_balloon drm_shmem_helper drm_kms_helper parport_pc lpc_ich i2c_i801 parport i2c_smbus pcspkr joydev drm fuse xfs libcrc32c ahci libahci libata crct10dif_pclmul crc32_pclmul crc32c_intel virtio_net ghash_clmulni_intel net_failover failover virtio_blk serio_raw sunrpc dm_mirror dm_region_hash dm_log dm_mod
[ 137.495194] CR2: 000000000000003a
~ ~ ~

@katlapinka
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katlapinka commented Dec 4, 2024 •
edited
Loading

I am attaching gdb log:
(gdb) list *(kcas_core_create_exported_object+0xc9)
0x6df9 is in kcas_core_create_exported_object (/root/open-cas-linux/modules/cas_cache/volume/vol_block_dev_top.c:580).
575 if (!bvol->expobj_wq) {
576 result = -ENOMEM;
577 goto end;
578 }
579
580 result = cas_exp_obj_create(bvol->dsk, name,
581 THIS_MODULE, ops, priv);
582 if (result) {
583 destroy_workqueue(bvol->expobj_wq);
584 goto end;

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@robertbaldyga @boxerab @katlapinka @rafalste