On Tue, 25 Mar 2025 at 20:23, Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote: > > On Tue, Mar 25, 2025 at 04:56:33PM +0300, Dan Carpenter wrote: > > If I had to guess, I'd say that it was related to Fixes: d9f2164238d8 > > ("PCI/MSI: Convert pci_msi_ignore_mask to per MSI domain flag"). I > > suspect d->host_data can be NULL. I could be wrong, but let's add Roger > > to the CC list just in case. > > Indeed, sorry. There's a patch from Thomas to switch to using > pci_msi_domain_supports() for fetching the flag, as there's no > guarantee all call contexts will have an associated msi_domain_info: Thanks Roger for the clarification. LKFT started noticing this issue on the Linus Torvalds master branch from March 26, 2025 at git describe: v6.14-1979-g61af143fbea4 Anders bisected and confirmed that, # first bad commit: [c3164d2e0d181027da8fc94f8179d8607c3d440f] PCI/MSI: Convert pci_msi_ignore_mask to per MSI domain flag > > https://lore.kernel.org/xen-devel/87v7rxzct0.ffs@tglx/ Lore report link, - https://lore.kernel.org/all/CA+G9fYs4-4y=edxddERXQ_fMsW_nUJU+V0bSMHFDL3St7NiLxQ@xxxxxxxxxxxxxx/ > > Regards, Roger.