Control: tag -1 +moreinfo Hello,
On Mon, Jun 02, 2025 at 03:10:19AM -0400, goose wrote: > Package: src:linux > Version: 6.12.27-1 > Severity: important > Tags: upstream > X-Debbugs-Cc: debian-am...@lists.debian.org > User: debian-am...@lists.debian.org > 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. It's hard to spot the problem in the massive changes between 6.1 and 6.12. Can you please try with intermediate kernel packages from snapshot.debian.org, ideally identifying the oldest kernel that breaks your system? Best regards Uwe
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