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ZZ's Avatar ZZ zrewidował ten Gist 1788293786. Przejdź do rewizji

2 files changed, 63 insertions, 32 deletions

z1-dmesg.log (usunięto plik)

@@ -1,32 +0,0 @@
1 - [ 4934.380323 < 4287.009482>] BUG: unable to handle page fault for address: ffffff7fc0306250
2 - [ 4934.380332 < 0.000009>] #PF: supervisor read access in kernel mode
3 - [ 4934.380335 < 0.000003>] #PF: error_code(0x0000) - not-present page
4 - [ 4934.380337 < 0.000002>] PGD 3d16067 P4D 3d16067 PUD 0
5 - [ 4934.380341 < 0.000004>] Oops: Oops: 0000 [#1] SMP NOPTI
6 - [ 4934.380345 < 0.000004>] CPU: 30 UID: 0 PID: 3151 Comm: z_wr_int_2 Tainted: P O 6.18.48 #1-NixOS PREEMPT(lazy)
7 - [ 4934.380349 < 0.000004>] Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE
8 - [ 4934.380351 < 0.000002>] Hardware name: Micro-Star International Co., Ltd. MS-7C35/MEG X570 ACE (MS-7C35), BIOS 1.S1 09/22/2025
9 - [ 4934.380354 < 0.000003>] RIP: 0010:__alloc_tagging_slab_free_hook+0xac/0xe0
10 - [ 4934.380361 < 0.000007>] Code: 2c 48 c1 ea 20 29 d0 d3 e8 0f b6 4f 2d 01 d0 d3 e8 48 c1 e0 04 4c 01 c8 48 83 f8 f8 74 28 48 8b 50 08 48
11 - 85 d2 74 1f 8b 4f 20 <4c> 8b 5a 20 48 f7 d9 65 49 01 0b 48 8b 52 20 65 48 ff 4a 08 48 c7
12 - [ 4934.380364 < 0.000003>] RSP: 0018:ffffc916e86d7bc8 EFLAGS: 00010286
13 - [ 4934.380367 < 0.000003>] RAX: ffff88a0e424c630 RBX: ffff88a1b659f368 RCX: 0000000000000178
14 - [ 4934.380369 < 0.000002>] RDX: ffffff7fc0306230 RSI: ffffc916e86d7bf0 RDI: ffff889e5848bf00
15 - [ 4934.380371 < 0.000002>] RBP: ffffc916e86d7c20 R08: fffff6fa51d96700 R09: ffff88a0e424c400
16 - [ 4934.380373 < 0.000002>] R10: ffffc916e86d7bf8 R11: 8113070f005f00ff R12: ffff889e5848bf00 [ 4934.380374 < 0.000001>] R13: ffff88a04d210ec0 R14: ffff889fd7d6d300 R15: 0000000000000000
17 - [ 4934.380376 < 0.000002>] FS: 0000000000000000(0000) GS:ffff88bdd023f000(0000) knlGS:0000000000000000 [ 4934.380379 < 0.000003>] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
18 - [ 4934.380381 < 0.000002>] CR2: ffffff7fc0306250 CR3: 0000000179caa000 CR4: 0000000000350ef0 [ 4934.380383 < 0.000002>] Call Trace:
19 - [ 4934.380385 < 0.000002>] <TASK>
20 - [ 4934.380386 < 0.000001>] kmem_cache_free+0xc8/0x4b0 [ 4934.380392 < 0.000006>] ? dbuf_rele_and_unlock+0x118/0x560 [zfs]
21 - [ 4934.380550 < 0.000158>] ? spl_kmem_cache_free+0x13c/0x200 [spl]
22 - [ 4934.380559 < 0.000009>] ? dsl_pool_undirty_space.part.0+0x8f/0xb0 [zfs]
23 - [ 4934.380705 < 0.000146>] spl_kmem_cache_free+0x13c/0x200 [spl] [ 4934.380713 < 0.000008>] arc_write_done+0xb4/0x560 [zfs]
24 - [ 4934.380845 < 0.000132>] zio_done+0x53a/0x1030 [zfs] [ 4934.380979 < 0.000134>] ? spa_config_exit+0x4a/0xa0 [zfs]
25 - [ 4934.381111 < 0.000132>] zio_execute+0x8c/0x130 [zfs] [ 4934.381229 < 0.000118>] taskq_thread+0x363/0x740 [spl]
26 - [ 4934.381238 < 0.000009>] ? __pfx_default_wake_function+0x10/0x10
27 - [ 4934.381242 < 0.000004>] ? __pfx_zio_execute+0x10/0x10 [zfs] [ 4934.381354 < 0.000112>] ? __pfx_taskq_thread+0x10/0x10 [spl]
28 - [ 4934.381361 < 0.000007>] kthread+0xfb/0x260 [ 4934.381365 < 0.000004>] ? __pfx_kthread+0x10/0x10
29 - [ 4934.381368 < 0.000003>] ret_from_fork+0x22d/0x260
30 - [ 4934.381373 < 0.000005>] ? __pfx_kthread+0x10/0x10
31 - [ 4934.381375 < 0.000002>] ret_from_fork_asm+0x1a/0x30
32 - [ 4934.381379 < 0.000004>] </TASK>

z1-dmesg.sh(stworzono plik)

@@ -0,0 +1,63 @@
1 + [ 647.370841 < 0.000005>] r8169 0000:27:00.0 enp39s0: entered allmulticast mode 15:13 [37/1420]
2 + [ 4934.380323 < 4287.009482>] BUG: unable to handle page fault for address: ffffff7fc0306250
3 + [ 4934.380332 < 0.000009>] #PF: supervisor read access in kernel mode
4 + [ 4934.380335 < 0.000003>] #PF: error_code(0x0000) - not-present page
5 + [ 4934.380337 < 0.000002>] PGD 3d16067 P4D 3d16067 PUD 0
6 + [ 4934.380341 < 0.000004>] Oops: Oops: 0000 [#1] SMP NOPTI
7 + [ 4934.380345 < 0.000004>] CPU: 30 UID: 0 PID: 3151 Comm: z_wr_int_2 Tainted: P O 6.18.48 #1-NixOS PREEMPT(lazy)
8 + [ 4934.380349 < 0.000004>] Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE
9 + [ 4934.380351 < 0.000002>] Hardware name: Micro-Star International Co., Ltd. MS-7C35/MEG X570 ACE (MS-7C35), BIOS 1.S1 09/22/2025
10 + [ 4934.380354 < 0.000003>] RIP: 0010:__alloc_tagging_slab_free_hook+0xac/0xe0
11 + [ 4934.380361 < 0.000007>] Code: 2c 48 c1 ea 20 29 d0 d3 e8 0f b6 4f 2d 01 d0 d3 e8 48 c1 e0 04 4c 01 c8 48 83 f8 f8 74 28 48 8b 50 08 48 85 d2 74 1f 8b 4f 20 <4c> 8b 5a 20 48 f7 d9 65 49 01 0b 48 8b 52 20 65 48 ff 4a 08 48 c7
12 + [ 4934.380364 < 0.000003>] RSP: 0018:ffffc916e86d7bc8 EFLAGS: 00010286
13 + [ 4934.380367 < 0.000003>] RAX: ffff88a0e424c630 RBX: ffff88a1b659f368 RCX: 0000000000000178
14 + [ 4934.380369 < 0.000002>] RDX: ffffff7fc0306230 RSI: ffffc916e86d7bf0 RDI: ffff889e5848bf00
15 + [ 4934.380371 < 0.000002>] RBP: ffffc916e86d7c20 R08: fffff6fa51d96700 R09: ffff88a0e424c400
16 + [ 4934.380373 < 0.000002>] R10: ffffc916e86d7bf8 R11: 8113070f005f00ff R12: ffff889e5848bf00
17 + [ 4934.380374 < 0.000001>] R13: ffff88a04d210ec0 R14: ffff889fd7d6d300 R15: 0000000000000000
18 + [ 4934.380376 < 0.000002>] FS: 0000000000000000(0000) GS:ffff88bdd023f000(0000) knlGS:0000000000000000
19 + [ 4934.380379 < 0.000003>] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
20 + [ 4934.380381 < 0.000002>] CR2: ffffff7fc0306250 CR3: 0000000179caa000 CR4: 0000000000350ef0
21 + [ 4934.380383 < 0.000002>] Call Trace:
22 + [ 4934.380385 < 0.000002>] <TASK>
23 + [ 4934.380386 < 0.000001>] kmem_cache_free+0xc8/0x4b0
24 + [ 4934.380392 < 0.000006>] ? dbuf_rele_and_unlock+0x118/0x560 [zfs]
25 + [ 4934.380550 < 0.000158>] ? spl_kmem_cache_free+0x13c/0x200 [spl]
26 + [ 4934.380559 < 0.000009>] ? dsl_pool_undirty_space.part.0+0x8f/0xb0 [zfs]
27 + [ 4934.380705 < 0.000146>] spl_kmem_cache_free+0x13c/0x200 [spl]
28 + [ 4934.380713 < 0.000008>] arc_write_done+0xb4/0x560 [zfs]
29 + [ 4934.380845 < 0.000132>] zio_done+0x53a/0x1030 [zfs]
30 + [ 4934.380979 < 0.000134>] ? spa_config_exit+0x4a/0xa0 [zfs]
31 + [ 4934.381111 < 0.000132>] zio_execute+0x8c/0x130 [zfs]
32 + [ 4934.381229 < 0.000118>] taskq_thread+0x363/0x740 [spl]
33 + [ 4934.381238 < 0.000009>] ? __pfx_default_wake_function+0x10/0x10
34 + [ 4934.381242 < 0.000004>] ? __pfx_zio_execute+0x10/0x10 [zfs]
35 + [ 4934.381354 < 0.000112>] ? __pfx_taskq_thread+0x10/0x10 [spl]
36 + [ 4934.381361 < 0.000007>] kthread+0xfb/0x260
37 + [ 4934.381365 < 0.000004>] ? __pfx_kthread+0x10/0x10
38 + [ 4934.381368 < 0.000003>] ret_from_fork+0x22d/0x260
39 + [ 4934.381373 < 0.000005>] ? __pfx_kthread+0x10/0x10
40 + [ 4934.381375 < 0.000002>] ret_from_fork_asm+0x1a/0x30
41 + [ 4934.381379 < 0.000004>] </TASK>
42 + [ 4934.381381 < 0.000002>] Modules linked in: vhost_net vhost vhost_iotlb macvtap macvlan tap vfio_pci vfio_pci_core vfio_iommu_type1 vfio iommufd nf_conntrack_netlink xfrm_user xfrm_algo xt_set ip_set xt_addrtype overlay af_packet xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJEC
43 + T nf_reject_ipv4 xt_tcpudp nft_compat nft_chain_nat nf_tables nfnetlink wireguard libcurve25519 libchacha20poly1305 libchacha ip6_udp_tunnel udp_tunnel libpoly1305 cdc_ncm cdc_ether usbnet mii ipheth cmac algif_hash algif_skcipher af_alg bnep nls_iso8859_1 nls_cp437 vfat fat btusb b
44 + trtl btintel btmtk btbcm bluetooth ecdh_generic rfkill ecc crc16 hid_cmedia gspca_ov534 gspca_main videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common r8169 igb realtek mdio_devres of_mdio fixed_phy fwnode_mdio ptp libphy pps_core dca i2c_algo_bit onboard_usb_dev mdio
45 + _bus tiny_power_button hid_logitech_hidpp snd_hda_codec_alc882 hid_apple snd_hda_codec_realtek_lib snd_hda_codec_generic snd_usb_audio snd_hda_intel snd_ump snd_usbmidi_lib snd_hda_codec snd_rawmidi
46 + [ 4934.381427 < 0.000046>] snd_seq_device snd_hda_core snd_intel_dspcfg snd_intel_sdw_acpi edac_mce_amd snd_hwdep intel_rapl_msr battery edac_core snd_pcm amd_atl wmi_bmof mxm_wmi intel_rapl_common sp5100_tco apple_mfi_fastcharge snd_timer polyval_clmulni watchdog ghash_clmulni_
47 + intel snd aesni_intel soundcore k10temp rapl wmi rtc_cmos button ee1004 evdev input_leds mousedev joydev mac_hid sch_fq_codel kvm_amd ccp v4l2loopback(O) kvm xt_nat x_tables nf_nat nf_conntrack videodev br_netfilter nf_defrag_ipv6 nf_defrag_ipv4 atkbd mc bridge i2c_piix4 irqbypass l
48 + ed_class libps2 serio i2c_smbus i2c_dev vivaldi_fmap stp llc tun fuse loop veth configfs dmi_sysfs hid_logitech_dj hid_generic sd_mod usbhid uas usb_storage hid ahci libahci libata nvme nvme_core scsi_mod xhci_pci nvme_keyring nvme_auth scsi_common xhci_hcd hkdf zfs(PO) dm_mod spl(O
49 + ) efivarfs autofs4
50 + [ 4934.381490 < 0.000063>] CR2: ffffff7fc0306250
51 + [ 4934.381493 < 0.000003>] ---[ end trace 0000000000000000 ]---
52 + [ 4934.495914 < 0.114421>] RIP: 0010:__alloc_tagging_slab_free_hook+0xac/0xe0
53 + [ 4934.495928 < 0.000014>] Code: 2c 48 c1 ea 20 29 d0 d3 e8 0f b6 4f 2d 01 d0 d3 e8 48 c1 e0 04 4c 01 c8 48 83 f8 f8 74 28 48 8b 50 08 48 85 d2 74 1f 8b 4f 20 <4c> 8b 5a 20 48 f7 d9 65 49 01 0b 48 8b 52 20 65 48 ff 4a 08 48 c7
54 + [ 4934.495933 < 0.000005>] RSP: 0018:ffffc916e86d7bc8 EFLAGS: 00010286
55 + [ 4934.495935 < 0.000002>] RAX: ffff88a0e424c630 RBX: ffff88a1b659f368 RCX: 0000000000000178
56 + [ 4934.495937 < 0.000002>] RDX: ffffff7fc0306230 RSI: ffffc916e86d7bf0 RDI: ffff889e5848bf00
57 + [ 4934.495939 < 0.000002>] RBP: ffffc916e86d7c20 R08: fffff6fa51d96700 R09: ffff88a0e424c400
58 + [ 4934.495941 < 0.000002>] R10: ffffc916e86d7bf8 R11: 8113070f005f00ff R12: ffff889e5848bf00
59 + [ 4934.495943 < 0.000002>] R13: ffff88a04d210ec0 R14: ffff889fd7d6d300 R15: 0000000000000000
60 + [ 4934.495945 < 0.000002>] FS: 0000000000000000(0000) GS:ffff88bdd023f000(0000) knlGS:0000000000000000
61 + [ 4934.495947 < 0.000002>] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
62 + [ 4934.495949 < 0.000002>] CR2: ffffff7fc0306250 CR3: 0000000003224000 CR4: 0000000000350ef0
63 + [ 4934.495951 < 0.000002>] note: z_wr_int_2[3151] exited with irqs disabled

ZZ's Avatar ZZ zrewidował ten Gist 1788293729. Przejdź do rewizji

1 file changed, 0 insertions, 0 deletions

z1-dmesg.sh zmieniono nazwę na z1-dmesg.log

Zmieniono nazwę pliku bez modyfikacji zawartości

ZZ's Avatar ZZ zrewidował ten Gist 1788293707. Przejdź do rewizji

1 file changed, 32 insertions

z1-dmesg.sh(stworzono plik)

@@ -0,0 +1,32 @@
1 + [ 4934.380323 < 4287.009482>] BUG: unable to handle page fault for address: ffffff7fc0306250
2 + [ 4934.380332 < 0.000009>] #PF: supervisor read access in kernel mode
3 + [ 4934.380335 < 0.000003>] #PF: error_code(0x0000) - not-present page
4 + [ 4934.380337 < 0.000002>] PGD 3d16067 P4D 3d16067 PUD 0
5 + [ 4934.380341 < 0.000004>] Oops: Oops: 0000 [#1] SMP NOPTI
6 + [ 4934.380345 < 0.000004>] CPU: 30 UID: 0 PID: 3151 Comm: z_wr_int_2 Tainted: P O 6.18.48 #1-NixOS PREEMPT(lazy)
7 + [ 4934.380349 < 0.000004>] Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE
8 + [ 4934.380351 < 0.000002>] Hardware name: Micro-Star International Co., Ltd. MS-7C35/MEG X570 ACE (MS-7C35), BIOS 1.S1 09/22/2025
9 + [ 4934.380354 < 0.000003>] RIP: 0010:__alloc_tagging_slab_free_hook+0xac/0xe0
10 + [ 4934.380361 < 0.000007>] Code: 2c 48 c1 ea 20 29 d0 d3 e8 0f b6 4f 2d 01 d0 d3 e8 48 c1 e0 04 4c 01 c8 48 83 f8 f8 74 28 48 8b 50 08 48
11 + 85 d2 74 1f 8b 4f 20 <4c> 8b 5a 20 48 f7 d9 65 49 01 0b 48 8b 52 20 65 48 ff 4a 08 48 c7
12 + [ 4934.380364 < 0.000003>] RSP: 0018:ffffc916e86d7bc8 EFLAGS: 00010286
13 + [ 4934.380367 < 0.000003>] RAX: ffff88a0e424c630 RBX: ffff88a1b659f368 RCX: 0000000000000178
14 + [ 4934.380369 < 0.000002>] RDX: ffffff7fc0306230 RSI: ffffc916e86d7bf0 RDI: ffff889e5848bf00
15 + [ 4934.380371 < 0.000002>] RBP: ffffc916e86d7c20 R08: fffff6fa51d96700 R09: ffff88a0e424c400
16 + [ 4934.380373 < 0.000002>] R10: ffffc916e86d7bf8 R11: 8113070f005f00ff R12: ffff889e5848bf00 [ 4934.380374 < 0.000001>] R13: ffff88a04d210ec0 R14: ffff889fd7d6d300 R15: 0000000000000000
17 + [ 4934.380376 < 0.000002>] FS: 0000000000000000(0000) GS:ffff88bdd023f000(0000) knlGS:0000000000000000 [ 4934.380379 < 0.000003>] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
18 + [ 4934.380381 < 0.000002>] CR2: ffffff7fc0306250 CR3: 0000000179caa000 CR4: 0000000000350ef0 [ 4934.380383 < 0.000002>] Call Trace:
19 + [ 4934.380385 < 0.000002>] <TASK>
20 + [ 4934.380386 < 0.000001>] kmem_cache_free+0xc8/0x4b0 [ 4934.380392 < 0.000006>] ? dbuf_rele_and_unlock+0x118/0x560 [zfs]
21 + [ 4934.380550 < 0.000158>] ? spl_kmem_cache_free+0x13c/0x200 [spl]
22 + [ 4934.380559 < 0.000009>] ? dsl_pool_undirty_space.part.0+0x8f/0xb0 [zfs]
23 + [ 4934.380705 < 0.000146>] spl_kmem_cache_free+0x13c/0x200 [spl] [ 4934.380713 < 0.000008>] arc_write_done+0xb4/0x560 [zfs]
24 + [ 4934.380845 < 0.000132>] zio_done+0x53a/0x1030 [zfs] [ 4934.380979 < 0.000134>] ? spa_config_exit+0x4a/0xa0 [zfs]
25 + [ 4934.381111 < 0.000132>] zio_execute+0x8c/0x130 [zfs] [ 4934.381229 < 0.000118>] taskq_thread+0x363/0x740 [spl]
26 + [ 4934.381238 < 0.000009>] ? __pfx_default_wake_function+0x10/0x10
27 + [ 4934.381242 < 0.000004>] ? __pfx_zio_execute+0x10/0x10 [zfs] [ 4934.381354 < 0.000112>] ? __pfx_taskq_thread+0x10/0x10 [spl]
28 + [ 4934.381361 < 0.000007>] kthread+0xfb/0x260 [ 4934.381365 < 0.000004>] ? __pfx_kthread+0x10/0x10
29 + [ 4934.381368 < 0.000003>] ret_from_fork+0x22d/0x260
30 + [ 4934.381373 < 0.000005>] ? __pfx_kthread+0x10/0x10
31 + [ 4934.381375 < 0.000002>] ret_from_fork_asm+0x1a/0x30
32 + [ 4934.381379 < 0.000004>] </TASK>

ZZ's Avatar ZZ zrewidował ten Gist 1788292980. Przejdź do rewizji

1 file changed, 2 insertions, 1 deletion

Gemini-ZFS-Fix.md

@@ -4,7 +4,7 @@ Since hugepages cannot be unpinned, the host kernel starves, leading directly to
4 4 Technical Case Notes:
5 5 - Root Cause 1 (Kernel Panic): An interface bug between Linux Kernel 6.18 code allocation profiling hooks (CONFIG_MEM_ALLOC_PROFILING) and the out-of-tree OpenZFS driver module. Background ZFS I/O workers drop pointers during slab memory cleanups, triggering __alloc_tagging_slab_free_hook page faults.
6 6 - Root Cause 2 (Segfaults / Exit Code 139): Core memory allocation collision. Pinned Windows VM static hugepages (96 GB) combined with default OpenZFS ARC ceilings (50% of host RAM = 64 GB) exceeded physical RAM capacity (128 GB). This starved the host kernel during intensive parallel nixos-rebuild compiler routines, triggering segmentation faults across Python, Sphinx, and VS Code extraction tools.
7 - - Neutralize Kernel Allocation Profiling HooksForce the Linux kernel to bypass the unpatched memory tracking hooks that conflict with out-of-tree file system drivers.Action: Upgrade to a fixed minor kernel release (e.g., 6.18.48+) and append alloc_tag_boot=off directly to the boot loader command line parameters.
7 + - Neutralize Kernel Allocation Profiling HooksForce the Linux kernel to bypass the unpatched memory tracking hooks that conflict with out-of-tree file system drivers.Action: Upgrade to a fixed minor kernel release (e.g., 6.18.48+) and append `alloc_tag_boot=off` directly to the boot loader command line parameters.
8 8
9 9 ```
10 10 # Disable hugepages before recompiling kernel
@@ -29,5 +29,6 @@ boot.kernelParams = [
29 29 "transparent_hugepage=never" # Blocks the host kernel from modifying or merging memory blocks behind the back of OpenZFS and your VM hypervisor.
30 30 "zfs.zfs_arc_min=4294967296"
31 31 "zfs.zfs_arc_max=12884901888"
32 + "alloc_tag_boot=off"
32 33 ]
33 34 ```

ZZ's Avatar ZZ zrewidował ten Gist 1788292812. Przejdź do rewizji

1 file changed, 1 insertion, 1 deletion

Gemini-ZFS-Fix.md

@@ -22,7 +22,7 @@ ZFS Notes
22 22 - `cat /proc/spl/kstat/zfs/arcstats`
23 23 ```
24 24 boot.kernelParams = [
25 - # Balance Hugepage and ZFS ARC mem alloc limits directly via kernel command line
25 + # Balance Hugepage and ZFS ARC mem alloc limits directly via the kernel command line
26 26 "hugepages=96"
27 27 "hugepagesz=1G"
28 28 "default_hugepagesz=1G"

ZZ's Avatar ZZ zrewidował ten Gist 1788288158. Przejdź do rewizji

1 file changed, 1 deletion

Gemini-ZFS-Fix.md

@@ -19,7 +19,6 @@ ZFS Notes
19 19 - ZFS ARC Size Floor: `cat /sys/module/zfs/parameters/zfs_arc_min`
20 20 - ZFS ARC Size Ceiling: `cat /sys/module/zfs/parameters/zfs_arc_max`
21 21 - ZFS ARC with alloc 50% of system mem by default, which could crash into a memory hugepage.
22 - - Balance Hugepages and ZFS ARC mem directly via the kernel command line
23 22 - `cat /proc/spl/kstat/zfs/arcstats`
24 23 ```
25 24 boot.kernelParams = [

ZZ's Avatar ZZ zrewidował ten Gist 1788288127. Przejdź do rewizji

1 file changed, 2 insertions, 1 deletion

Gemini-ZFS-Fix.md

@@ -14,7 +14,8 @@ sudo echo never | sudo tee /sys/kernel/mm/transparent_hugepage/enabled
14 14 ```
15 15
16 16 ZFS Notes
17 - - ZFS ARC Mem Use: `zarcstat # size`
17 + - ZFS ARC Mem Use: `zarcstat`
18 + - ZFS ARC Summary: `zarcsummary`
18 19 - ZFS ARC Size Floor: `cat /sys/module/zfs/parameters/zfs_arc_min`
19 20 - ZFS ARC Size Ceiling: `cat /sys/module/zfs/parameters/zfs_arc_max`
20 21 - ZFS ARC with alloc 50% of system mem by default, which could crash into a memory hugepage.

ZZ's Avatar ZZ zrewidował ten Gist 1788288094. Przejdź do rewizji

1 file changed, 1 insertion, 1 deletion

Gemini-ZFS-Fix.md

@@ -15,7 +15,7 @@ sudo echo never | sudo tee /sys/kernel/mm/transparent_hugepage/enabled
15 15
16 16 ZFS Notes
17 17 - ZFS ARC Mem Use: `zarcstat # size`
18 - - ZFS ARC Size Floor: `zarcstat # c for floor`
18 + - ZFS ARC Size Floor: `cat /sys/module/zfs/parameters/zfs_arc_min`
19 19 - ZFS ARC Size Ceiling: `cat /sys/module/zfs/parameters/zfs_arc_max`
20 20 - ZFS ARC with alloc 50% of system mem by default, which could crash into a memory hugepage.
21 21 - Balance Hugepages and ZFS ARC mem directly via the kernel command line

ZZ's Avatar ZZ zrewidował ten Gist 1788285274. Przejdź do rewizji

1 file changed, 2 insertions, 1 deletion

Gemini-ZFS-Fix.md

@@ -19,13 +19,14 @@ ZFS Notes
19 19 - ZFS ARC Size Ceiling: `cat /sys/module/zfs/parameters/zfs_arc_max`
20 20 - ZFS ARC with alloc 50% of system mem by default, which could crash into a memory hugepage.
21 21 - Balance Hugepages and ZFS ARC mem directly via the kernel command line
22 + - `cat /proc/spl/kstat/zfs/arcstats`
22 23 ```
23 24 boot.kernelParams = [
24 25 # Balance Hugepage and ZFS ARC mem alloc limits directly via kernel command line
25 26 "hugepages=96"
26 27 "hugepagesz=1G"
27 28 "default_hugepagesz=1G"
28 - "transparent_hugepage=never"
29 + "transparent_hugepage=never" # Blocks the host kernel from modifying or merging memory blocks behind the back of OpenZFS and your VM hypervisor.
29 30 "zfs.zfs_arc_min=4294967296"
30 31 "zfs.zfs_arc_max=12884901888"
31 32 ]

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1 file changed, 1 insertion, 1 deletion

Gemini-ZFS-Fix.md

@@ -16,7 +16,7 @@ sudo echo never | sudo tee /sys/kernel/mm/transparent_hugepage/enabled
16 16 ZFS Notes
17 17 - ZFS ARC Mem Use: `zarcstat # size`
18 18 - ZFS ARC Size Floor: `zarcstat # c for floor`
19 - - ZFS ARC Size Ceiling: cat /sys/module/zfs/parameters/zfs_arc_max
19 + - ZFS ARC Size Ceiling: `cat /sys/module/zfs/parameters/zfs_arc_max`
20 20 - ZFS ARC with alloc 50% of system mem by default, which could crash into a memory hugepage.
21 21 - Balance Hugepages and ZFS ARC mem directly via the kernel command line
22 22 ```
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