diff options
author | Sean Anderson <sean.anderson@linux.dev> | 2024-04-22 19:28:23 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-17 13:02:36 +0300 |
commit | a2da0e5c516ba37f0d1cdb9ee48ea5271887f88a (patch) | |
tree | 401b78f578d0aa482ef47d45051b182c478a4fd0 /drivers/regulator | |
parent | 377f3a9a3d032a52325a5b110379a25dd1ab1931 (diff) | |
download | linux-a2da0e5c516ba37f0d1cdb9ee48ea5271887f88a.tar.xz |
nvme-pci: Add quirk for broken MSIs
commit d5887dc6b6c054d0da3cd053afc15b7be1f45ff6 upstream.
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@vger.kernel.org>
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/regulator')
0 files changed, 0 insertions, 0 deletions