Public bug reported:
when doing kexec -a -l /boot/vmlinuz-6.17.0-1008-nvidia-64k
--initrd=/boot/initrd.img-6.17.0-1008-nvidia-64k --reuse-cmdline
we see this warning
[ 265.233332] ------------[ cut here ]------------
[ 265.233342] WARNING: CPU: 39 PID: 3409 at kernel/kexec_core.c:1002
kimage_map_segment+0x1e8/0x230
[ 265.233366] Modules linked in: xt_conntrack xt_MASQUERADE bridge stp llc
xt_set ip_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
xt_addrtype nft_compat nf_tables xfrm_user xfrm_algo nvidia_uvm(OE) qrtr
overlay cfg80211 nvidia_drm(OE) sunrpc binfmt_misc nls_iso8859_1
onboard_usb_dev dax_hmem cxl_acpi cppc_cpufreq cxl_port ast cxl_core
i2c_algo_bit ipmi_ssif sbsa_gwdt einj spi_nor nvidia_modeset(OE) nvidia_cspmu
video acpi_power_meter drm_ttm_helper coresight_tmc coresight_stm
coresight_funnel coresight_trbe arm_cspmu_module arm_spe_pmu mlx5_fwctl ttm
acpi_ipmi arm_smmuv3_pmu ipmi_devintf stm_p_basic fwctl coresight stm_core
ipmi_msghandler uio_pdrv_genirq sch_fq_codel uio ib_umad nvidia_fs(O)
nvidia(OE) dm_multipath nvme_fabrics efi_pstore nfnetlink dmi_sysfs ip_tables
x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq raid1 raid0
linear mlx5_ib ib_uverbs macsec ib_core mlx5_dpll polyval_ce ghash_ce sm4_ce_gcm
[ 265.233478] sm4_ce_ccm mlx5_core sm4_ce nvme mlxfw sm4_ce_cipher i2c_smbus
nvme_core sm4 psample sm3_ce nvme_keyring tls sha3_ce arm_smccc_trng
xhci_pci_renesas nvme_auth pci_hyperv_intf i2c_tegra aes_neon_bs aes_neon_blk
aes_ce_blk aes_ce_cipher
[ 265.233510] CPU: 39 UID: 0 PID: 3409 Comm: kexec Tainted: G OE
6.17.0-1008-nvidia-64k #8-Ubuntu PREEMPT(none)
[ 265.233515] Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
[ 265.233517] Hardware name: Grace CPU P5041, BIOS 02.03.25 20250326
[ 265.233520] pstate: 83400009 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[ 265.233523] pc : kimage_map_segment+0x1e8/0x230
[ 265.233527] lr : kimage_map_segment+0x54/0x230
[ 265.233529] sp : ffff80011ceef9a0
[ 265.233531] x29: ffff80011ceef9a0 x28: 0000000000000004 x27: 0000000000000004
[ 265.233535] x26: ffffa0318c2297e8 x25: ffff100045e70c00 x24: 0000000000000000
[ 265.233539] x23: 00000000ba510000 x22: 00000000ba500000 x21: ffff100013d86168
[ 265.233543] x20: 0000000000000001 x19: ffff100045e70c00 x18: ffff80011cf20040
[ 265.233546] x17: 0000000000000000 x16: 0000000000000000 x15: 646565732d676e72
[ 265.233550] x14: 00646e652d647274 x13: 636578656b2d6d6f x12: 72662d6465746f6f
[ 265.233553] x11: 007265666675622d x10: 636578656b2d616d x9 : ffffa0318a6755b8
[ 265.233557] x8 : 0000000000000000 x7 : 0000000080000000 x6 : 0000000000000000
[ 265.233560] x5 : ffff100045e70c00 x4 : 0000000000000000 x3 : 0000000000000004
[ 265.233564] x2 : 0000000000000000 x1 : ffffffdfc0000000 x0 : 0001000000000000
[ 265.233569] Call trace:
[ 265.233571] kimage_map_segment+0x1e8/0x230 (P)
[ 265.233575] ima_kexec_post_load+0x74/0x100
[ 265.233584] __do_sys_kexec_file_load+0x314/0x428
[ 265.233586] __arm64_sys_kexec_file_load+0x30/0x60
[ 265.233588] invoke_syscall.constprop.0+0x7c/0xf8
[ 265.233593] do_el0_svc+0x4c/0x100
[ 265.233595] el0_svc+0x48/0x200
[ 265.233603] el0t_64_sync_handler+0xc0/0x108
[ 265.233605] el0t_64_sync+0x1b8/0x1c0
[ 265.233608] ---[ end trace 0000000000000000 ]---
[ 265.233632] ------------[ cut here ]------------
[ 265.233635] WARNING: CPU: 39 PID: 3409 at mm/vmalloc.c:542
vmap_pages_pte_range+0x27c/0x550
[ 265.233644] Modules linked in: xt_conntrack xt_MASQUERADE bridge stp llc
xt_set ip_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
xt_addrtype nft_compat nf_tables xfrm_user xfrm_algo nvidia_uvm(OE) qrtr
overlay cfg80211 nvidia_drm(OE) sunrpc binfmt_misc nls_iso8859_1
onboard_usb_dev dax_hmem cxl_acpi cppc_cpufreq cxl_port ast cxl_core
i2c_algo_bit ipmi_ssif sbsa_gwdt einj spi_nor nvidia_modeset(OE) nvidia_cspmu
video acpi_power_meter drm_ttm_helper coresight_tmc coresight_stm
coresight_funnel coresight_trbe arm_cspmu_module arm_spe_pmu mlx5_fwctl ttm
acpi_ipmi arm_smmuv3_pmu ipmi_devintf stm_p_basic fwctl coresight stm_core
ipmi_msghandler uio_pdrv_genirq sch_fq_codel uio ib_umad nvidia_fs(O)
nvidia(OE) dm_multipath nvme_fabrics efi_pstore nfnetlink dmi_sysfs ip_tables
x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq raid1 raid0
linear mlx5_ib ib_uverbs macsec ib_core mlx5_dpll polyval_ce ghash_ce sm4_ce_gcm
[ 265.233725] sm4_ce_ccm mlx5_core sm4_ce nvme mlxfw sm4_ce_cipher i2c_smbus
nvme_core sm4 psample sm3_ce nvme_keyring tls sha3_ce arm_smccc_trng
xhci_pci_renesas nvme_auth pci_hyperv_intf i2c_tegra aes_neon_bs aes_neon_blk
aes_ce_blk aes_ce_cipher
[ 265.233747] CPU: 39 UID: 0 PID: 3409 Comm: kexec Tainted: G W OE
6.17.0-1008-nvidia-64k #8-Ubuntu PREEMPT(none)
[ 265.233750] Tainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
[ 265.233752] Hardware name: Grace CPU P5041, BIOS 02.03.25 20250326
[ 265.233754] pstate: 23400009 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[ 265.233755] pc : vmap_pages_pte_range+0x27c/0x550
[ 265.233757] lr : vmap_small_pages_range_noflush+0x130/0x1f0
[ 265.233759] sp : ffff80011ceef860
[ 265.233760] x29: ffff80011ceef860 x28: 0010000000000001 x27: ffffa0318c43a000
[ 265.233765] x26: ffff80011ceef8e0 x25: ffff80011e140000 x24: ffff0000957bf0a0
[ 265.233769] x23: ffffffdfc0000000 x22: ffff80011ceef8e4 x21: 0068000000000703
[ 265.233773] x20: ffff80011e150000 x19: 5d0752412f6f21b8 x18: ffff80011cf20058
[ 265.233777] x17: 0000000000000000 x16: 0000000000000000 x15: 646565732d676e72
[ 265.233781] x14: 00646e652d647274 x13: 636578656b2d6d6f x12: 72662d6465746f6f
[ 265.233785] x11: 0000000000000000 x10: 0000000000000000 x9 : ffffa0318a63e440
[ 265.233789] x8 : 0000000000000000 x7 : 0040000000000001 x6 : 0040000000000041
[ 265.233793] x5 : ffff80011ceef8e0 x4 : ffff100013d86168 x3 : 0068000000000703
[ 265.233797] x2 : 0000000000000000 x1 : 003fffffffffffc0 x0 : 5d0752616f8f21b8
[ 265.233801] Call trace:
[ 265.233803] vmap_pages_pte_range+0x27c/0x550 (P)
[ 265.233805] vmap_small_pages_range_noflush+0x130/0x1f0
[ 265.233807] vmap+0xb8/0x180
[ 265.233811] kimage_map_segment+0xf0/0x230[ 265.233332] ------------[ cut
here ]------------
[ 265.233342] WARNING: CPU: 39 PID: 3409 at kernel/kexec_core.c:1002
kimage_map_segment+0x1e8/0x230
[ 265.233366] Modules linked in: xt_conntrack xt_MASQUERADE bridge stp llc
xt_set ip_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
xt_addrtype nft_compat nf_tables xfrm_user xfrm_algo nvidia_uvm(OE) qrtr
overlay cfg80211 nvidia_drm(OE) sunrpc binfmt_misc nls_iso8859_1
onboard_usb_dev dax_hmem cxl_acpi cppc_cpufreq cxl_port ast cxl_core
i2c_algo_bit ipmi_ssif sbsa_gwdt einj spi_nor nvidia_modeset(OE) nvidia_cspmu
video acpi_power_meter drm_ttm_helper coresight_tmc coresight_stm
coresight_funnel coresight_trbe arm_cspmu_module arm_spe_pmu mlx5_fwctl ttm
acpi_ipmi arm_smmuv3_pmu ipmi_devintf stm_p_basic fwctl coresight stm_core
ipmi_msghandler uio_pdrv_genirq sch_fq_codel uio ib_umad nvidia_fs(O)
nvidia(OE) dm_multipath nvme_fabrics efi_pstore nfnetlink dmi_sysfs ip_tables
x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq raid1 raid0
linear mlx5_ib ib_uverbs macsec ib_core mlx5_dpll polyval_ce ghash_ce sm4_ce_gcm
[ 265.233478] sm4_ce_ccm mlx5_core sm4_ce nvme mlxfw sm4_ce_cipher i2c_smbus
nvme_core sm4 psample sm3_ce nvme_keyring tls sha3_ce arm_smccc_trng
xhci_pci_renesas nvme_auth pci_hyperv_intf i2c_tegra aes_neon_bs aes_neon_blk
aes_ce_blk aes_ce_cipher
[ 265.233510] CPU: 39 UID: 0 PID: 3409 Comm: kexec Tainted: G OE
6.17.0-1008-nvidia-64k #8-Ubuntu PREEMPT(none)
[ 265.233515] Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
[ 265.233517] Hardware name: Grace CPU P5041, BIOS 02.03.25 20250326
[ 265.233520] pstate: 83400009 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[ 265.233523] pc : kimage_map_segment+0x1e8/0x230
[ 265.233527] lr : kimage_map_segment+0x54/0x230
[ 265.233529] sp : ffff80011ceef9a0
[ 265.233531] x29: ffff80011ceef9a0 x28: 0000000000000004 x27: 0000000000000004
[ 265.233535] x26: ffffa0318c2297e8 x25: ffff100045e70c00 x24: 0000000000000000
[ 265.233539] x23: 00000000ba510000 x22: 00000000ba500000 x21: ffff100013d86168
[ 265.233543] x20: 0000000000000001 x19: ffff100045e70c00 x18: ffff80011cf20040
[ 265.233546] x17: 0000000000000000 x16: 0000000000000000 x15: 646565732d676e72
[ 265.233550] x14: 00646e652d647274 x13: 636578656b2d6d6f x12: 72662d6465746f6f
[ 265.233553] x11: 007265666675622d x10: 636578656b2d616d x9 : ffffa0318a6755b8
[ 265.233557] x8 : 0000000000000000 x7 : 0000000080000000 x6 : 0000000000000000
[ 265.233560] x5 : ffff100045e70c00 x4 : 0000000000000000 x3 : 0000000000000004
[ 265.233564] x2 : 0000000000000000 x1 : ffffffdfc0000000 x0 : 0001000000000000
[ 265.233569] Call trace:
[ 265.233571] kimage_map_segment+0x1e8/0x230 (P)
[ 265.233575] ima_kexec_post_load+0x74/0x100
[ 265.233584] __do_sys_kexec_file_load+0x314/0x428
[ 265.233586] __arm64_sys_kexec_file_load+0x30/0x60
[ 265.233588] invoke_syscall.constprop.0+0x7c/0xf8
[ 265.233593] do_el0_svc+0x4c/0x100
[ 265.233595] el0_svc+0x48/0x200
[ 265.233603] el0t_64_sync_handler+0xc0/0x108
[ 265.233605] el0t_64_sync+0x1b8/0x1c0
[ 265.233608] ---[ end trace 0000000000000000 ]---
[ 265.233632] ------------[ cut here ]------------
[ 265.233635] WARNING: CPU: 39 PID: 3409 at mm/vmalloc.c:542
vmap_pages_pte_range+0x27c/0x550
[ 265.233644] Modules linked in: xt_conntrack xt_MASQUERADE bridge stp llc
xt_set ip_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
xt_addrtype nft_compat nf_tables xfrm_user xfrm_algo nvidia_uvm(OE) qrtr
overlay cfg80211 nvidia_drm(OE) sunrpc binfmt_misc nls_iso8859_1
onboard_usb_dev dax_hmem cxl_acpi cppc_cpufreq cxl_port ast cxl_core
i2c_algo_bit ipmi_ssif sbsa_gwdt einj spi_nor nvidia_modeset(OE) nvidia_cspmu
video acpi_power_meter drm_ttm_helper coresight_tmc coresight_stm
coresight_funnel coresight_trbe arm_cspmu_module arm_spe_pmu mlx5_fwctl ttm
acpi_ipmi arm_smmuv3_pmu ipmi_devintf stm_p_basic fwctl coresight stm_core
ipmi_msghandler uio_pdrv_genirq sch_fq_codel uio ib_umad nvidia_fs(O)
nvidia(OE) dm_multipath nvme_fabrics efi_pstore nfnetlink dmi_sysfs ip_tables
x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq raid1 raid0
linear mlx5_ib ib_uverbs macsec ib_core mlx5_dpll polyval_ce ghash_ce sm4_ce_gcm
[ 265.233725] sm4_ce_ccm mlx5_core sm4_ce nvme mlxfw sm4_ce_cipher i2c_smbus
nvme_core sm4 psample sm3_ce nvme_keyring tls sha3_ce arm_smccc_trng
xhci_pci_renesas nvme_auth pci_hyperv_intf i2c_tegra aes_neon_bs aes_neon_blk
aes_ce_blk aes_ce_cipher
[ 265.233747] CPU: 39 UID: 0 PID: 3409 Comm: kexec Tainted: G W OE
6.17.0-1008-nvidia-64k #8-Ubuntu PREEMPT(none)
[ 265.233750] Tainted: [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
[ 265.233752] Hardware name: Grace CPU P5041, BIOS 02.03.25 20250326
[ 265.233754] pstate: 23400009 (nzCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
[ 265.233755] pc : vmap_pages_pte_range+0x27c/0x550
[ 265.233757] lr : vmap_small_pages_range_noflush+0x130/0x1f0
[ 265.233759] sp : ffff80011ceef860
[ 265.233760] x29: ffff80011ceef860 x28: 0010000000000001 x27: ffffa0318c43a000
[ 265.233765] x26: ffff80011ceef8e0 x25: ffff80011e140000 x24: ffff0000957bf0a0
[ 265.233769] x23: ffffffdfc0000000 x22: ffff80011ceef8e4 x21: 0068000000000703
[ 265.233773] x20: ffff80011e150000 x19: 5d0752412f6f21b8 x18: ffff80011cf20058
[ 265.233777] x17: 0000000000000000 x16: 0000000000000000 x15: 646565732d676e72
[ 265.233781] x14: 00646e652d647274 x13: 636578656b2d6d6f x12: 72662d6465746f6f
[ 265.233785] x11: 0000000000000000 x10: 0000000000000000 x9 : ffffa0318a63e440
[ 265.233789] x8 : 0000000000000000 x7 : 0040000000000001 x6 : 0040000000000041
[ 265.233793] x5 : ffff80011ceef8e0 x4 : ffff100013d86168 x3 : 0068000000000703
[ 265.233797] x2 : 0000000000000000 x1 : 003fffffffffffc0 x0 : 5d0752616f8f21b8
[ 265.233801] Call trace:
[ 265.233803] vmap_pages_pte_range+0x27c/0x550 (P)
[ 265.233805] vmap_small_pages_range_noflush+0x130/0x1f0
[ 265.233807] vmap+0xb8/0x180
[ 265.233811] kimage_map_segment+0xf0/0x230
kexec will still work fine but with system with CMA enabled will see
this warning.
** Affects: linux-nvidia-6.17 (Ubuntu)
Importance: Undecided
Status: New
** Package changed: linux-nvidia (Ubuntu) => linux-nvidia-6.17 (Ubuntu)
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https://bugs.launchpad.net/bugs/2141705
Title:
kexec: warning when doing kexec -a
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