Debian 8.5 auf nvme installieren

[L4U]

Nach dem booten kommt "alloc magic is broken ...".

Wer kann helfen?

Mainboard Fujitsu D3417-B1, SM951-NVMe M.2 2280, 256 GB

[rendegast]

Code: Alles auswählen

$ /sbin/modinfo /lib/modules/4.5.0-0.bpo.2-amd64/kernel/drivers/nvme/host/nvme.ko /lib/modules/3.16.0-4-amd64/kernel/drivers/block/nvme.ko
filename:       /lib/modules/4.5.0-0.bpo.2-amd64/kernel/drivers/nvme/host/nvme.ko
version:        1.0
license:        GPL
author:         Matthew Wilcox <willy@linux.intel.com>
srcversion:     D07B690A3CDE870AF9AB123
alias:          pci:v0000106Bd00002001sv*sd*bc*sc*i*
alias:          pci:v*d*sv*sd*bc01sc08i02*
alias:          pci:v00008086d00005845sv*sd*bc*sc*i*
alias:          pci:v00008086d00000953sv*sd*bc*sc*i*
depends:        
intree:         Y
vermagic:       4.5.0-0.bpo.2-amd64 SMP mod_unload modversions 
parm:           admin_timeout:timeout in seconds for admin commands (byte)
parm:           io_timeout:timeout in seconds for I/O (byte)
parm:           shutdown_timeout:timeout in seconds for controller shutdown (byte)
parm:           use_threaded_interrupts:int
parm:           use_cmb_sqes:use controller's memory buffer for I/O SQes (bool)
parm:           nvme_major:int
parm:           nvme_char_major:int

filename:       /lib/modules/3.16.0-4-amd64/kernel/drivers/block/nvme.ko
version:        0.9
license:        GPL
author:         Matthew Wilcox <willy@linux.intel.com>
srcversion:     D6292FEA464B24D37A20D5D
alias:          pci:v*d*sv*sd*bc01sc08i02*
depends:        
intree:         Y
vermagic:       3.16.0-4-amd64 SMP mod_unload modversions 
parm:           admin_timeout:timeout in seconds for admin commands (byte)
parm:           io_timeout:timeout in seconds for I/O (byte)
parm:           retry_time:time in seconds to retry failed I/O (byte)
parm:           nvme_major:int
parm:           use_threaded_interrupts:int

Beide Modules finden sich (hier) mit MODULES=most in den initrd.

[syssi]

Ich kann den Einsatz des neuen Kernels für NVME nur empfehlen. Das Modul in Version 0.9 macht bei mir nur 150 MB/s Durchsatz vs. 2500 MB/s mit Kernel 4.5:

Code: Alles auswählen

$ hdparm -tT /dev/nvme0n1p1 

/dev/nvme0n1p1:
 Timing cached reads:   37364 MB in  2.00 seconds = 18708.30 MB/sec
 Timing buffered disk reads: 4096 MB in  1.63 seconds = 2506.78 MB/sec

$ uname -a
Linux www2 4.5.0-0.bpo.2-amd64 #1 SMP Debian 4.5.4-1~bpo8+1 (2016-05-13) x86_64 GNU/Linux

$ dmidecode  | head -n20
# dmidecode 2.12
SMBIOS 3.0 present.
# SMBIOS implementations newer than version 2.8 are not
# fully supported by this version of dmidecode.
83 structures occupying 4275 bytes.
Table at 0xCBD97000.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
        Vendor: FUJITSU // American Megatrends Inc.
        Version: V5.0.0.11 R1.12.0.SR.2 for D3417-B1x              
        Release Date: 04/01/2016
        Address: 0xF0000
        Runtime Size: 64 kB
        ROM Size: 16384 kB
        Characteristics:
                PCI is supported
                BIOS is upgradeable
                BIOS shadowing is allowed
                Boot from CD is supported