On Mon, Apr 22, 2024 at 12:28:23PM -0400, Sean Anderson wrote: > Sandisk SN530 NVMe drives have broken MSIs. On systems without MSI-X > support, all commands time out resulting in the following message: > > nvme nvme0: I/O tag 12 (100c) QID 0 timeout, completion polled > > These timeouts cause the boot to take an excessively-long time (over 20 > minutes) while the initial command queue is flushed. > > Address this by adding a quirk for drives with buggy MSIs. The lspci > output for this device (recorded on a system with MSI-X support) is: > > 02:00.0 Non-Volatile memory controller: Sandisk Corp Device 5008 (rev 01) (prog-if 02 [NVM Express]) > Subsystem: Sandisk Corp Device 5008 > Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0 > Memory at f7e00000 (64-bit, non-prefetchable) [size=16K] > Memory at f7e04000 (64-bit, non-prefetchable) [size=256] > Capabilities: [80] Power Management version 3 > Capabilities: [90] MSI: Enable- Count=1/32 Maskable- 64bit+ > Capabilities: [b0] MSI-X: Enable+ Count=17 Masked- > Capabilities: [c0] Express Endpoint, MSI 00 > Capabilities: [100] Advanced Error Reporting > Capabilities: [150] Device Serial Number 00-00-00-00-00-00-00-00 > Capabilities: [1b8] Latency Tolerance Reporting > Capabilities: [300] Secondary PCI Express > Capabilities: [900] L1 PM Substates > Kernel driver in use: nvme > Kernel modules: nvme > > Cc: <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Sean Anderson <sean.anderson@xxxxxxxxx> Thanks, applied to nvme-6.9.