Hello, On Monday, June 2nd, 2025 at 9:11 AM, goose <[email protected]> wrote: > > Package: src:linux > Version: 6.12.27-1 > Severity: important > Tags: upstream > X-Debbugs-Cc: [email protected] > User: [email protected] > Usertags: amd64 > > After upgrading from Debian Bookworm to Trixie, and subsequently to kernel > linux-image-6.12.27-amd64 (version 6.12.27-1), my LSI SAS2008 HBA is no > longer being initialized correctly, preventing access to the attached SAS > drives. This appears to be a regression, as the LSI SAS2008 HBA and attached > SAS drives work perfectly under kernel 6.1.0-37-amd64. The SAS drives > connected to the LSI HBA are not detected by the system (do not appear in > lsblk). The mpt3sas driver loads but fails to initialize the card. lspci -nnk > for device 04:00.0 shows Kernel modules: mpt3sas but does not show a "Kernel > driver in use" line when the failure occurs. > > What I believe are the key error messages in dmesg are: > > mpt3sas version 48.100.00.00 loaded > mpt3sas 0000:04:00.0: can't disable ASPM; OS doesn't have ASPM control > mpt3sas 0000:04:00.0: BAR 1: can't reserve [mem 0xWWWWWWWW-0xYYYYYYYY 64bit] > <-- Please replace with the exact memory addresses from your latest dmesg on > 6.12.27 > mpt2sas_cm0: pci_request_selected_regions: failed > mpt2sas_cm0: failure at > drivers/scsi/mpt3sas/mpt3sas_scsih.c:12319/_scsih_probe()! > > Adding the kernel boot parameter pci=nocrs did not resolve the BAR 1 > reservation error or the probe failure for mpt3sas on kernel 6.12.27-amd64. I > am currently booting in to kernel 6.1.0-37-amd64 as a workaround.
Can you try booting 6.12.27-amd64 passing the kernel boot option pci=realloc=off? Hope this helps. Best, A.
