Hello, Issue: 5.15 hangs at boot (hangs when trying to initialize the 3ware card, have not had this issue with any prior 5.x kernel 5.(0-14). Arch: x86_64 Kernel: 5.15 Distribution: Debian testing Note: Upgraded from 5.14.8 to 5.15, the diff between the two .config's is posted below, thoughts? dmesg snippet: ------------------------------- [8.0574191 loop: module loaded [8.0575251 the cryptoloop driver has been deprecated and will be removed in in Linux 5.16 [8.057809] LSI 3uare SAS/SATA-RAID Controller device driver for Linux v3.26.02.000. [8.3369831 tc: Refined TC clocksource calibration: 3699.999 MHz [8.3371911 clocksource: tsc: mask: Oxffffffffffffffff max_cycles: Ox6aaaa900000, max_idle_ns: 881590498719 ns [8.3375551 clocksource: Switched to clocksource tsc ( ... ) [9.097964] 3u-sas: scsiO: AEN: INFO (0x04:0x0053): Battery capacity test is overdue:. [9.201986] scsi host: 3w-sas [9.305954] 3u-sas: scsi0: Found an LSI 3ware 9750-2414e Controller at Oxfb760000, IRQ: 45. [9.6179701 3u-sas: scsi0: Firmuare FH9X 5.12.00.016, BIOS BE9X 5.11.00.007, Phys: 28. [30.498007] scsi 0:0:0:0: WARNING: (0x06:0x002C) : Command (0x12) timed out, resetting card [71.4419581 scsi 0:0:0:0: WARNING: (0x06: 0x002C): Command (0x0) timed out, resetting card. -- Full configs: https://installkernel.tripod.com/5.14.txt https://installkernel.tripod.com/5.15.txt Diff between 5.14 and 5.15 .config files-- could it be something to do with CONFIG_IOMMU_DEFAULT_DMA_LAZY=y? -CONFIG_PRINTK_NMI=y +CONFIG_ARCH_NR_GPIO=1024 -CONFIG_X86_SYSFB=y -CONFIG_FIRMWARE_MEMMAP=y -CONFIG_DMIID=y -CONFIG_DMI_SYSFS=y -CONFIG_DMI_SCAN_MACHINE_NON_EFI_FALLBACK=y +CONFIG_TRACE_IRQFLAGS_SUPPORT=y +CONFIG_ARCH_HAS_PARANOID_L1D_FLUSH=y -CONFIG_BLK_SCSI_REQUEST=y -CONFIG_BLK_DEV_BSG=y +CONFIG_BLK_DEV_BSG_COMMON=y +CONFIG_BLOCK_HOLDER_DEPRECATED=y +CONFIG_AF_UNIX_OOB=y +CONFIG_FIRMWARE_MEMMAP=y +CONFIG_DMIID=y +CONFIG_DMI_SYSFS=y +CONFIG_DMI_SCAN_MACHINE_NON_EFI_FALLBACK=y +CONFIG_SYSFB=y +CONFIG_SCSI_COMMON=y +CONFIG_BLK_DEV_BSG=y +CONFIG_PTP_1588_CLOCK_OPTIONAL=y +CONFIG_IOMMU_DEFAULT_DMA_LAZY=y -CONFIG_MANDATORY_FILE_LOCKING=y +CONFIG_NETFS_STATS=y +CONFIG_NTFS3_FS=y +CONFIG_NTFS3_LZX_XPRESS=y +CONFIG_SMB_SERVER=y +CONFIG_SMB_SERVER_CHECK_CAP_NET_ADMIN=y +CONFIG_SMBFS_COMMON=y -CONFIG_TRACE_IRQFLAGS_SUPPORT=y Thanks, Justin.