SunFire V880 Panic on boot qlc@2 fail (Doc ID 1900988.1)

Last updated on APRIL 05, 2017

Applies to:

Sun Fire V880 Server - Version All Versions to All Versions [Release All Releases]
Sun Fire V890 Server - Version All Versions to All Versions [Release All Releases]
Sun SPARC Sun OS

Symptoms

1, System panics on boot showing panic[cpu6]/thread=180e000: vfs_mountroot: cannot mount root

2, Disk backplane failing during boot

              WARNING: Device /pci@8,600000/SUNW,qlc@2 being marked with 'status' == fail       

3, probe-scsi-all sees all internal disk

    ok probe-scsi -  -all

    /pci@8,600000/SUNW,qlc@2
    LiD HA LUN  --- Port WWN ---  ----- Disk description -----
    0   0   0  500000e0106d5f11  FUJITSU MAP3735F SUN72G 1201
    1   1   0  500000e010777df1  FUJITSU MAP3735F SUN72G 1201
    2   2   0  500000e0106a5661  FUJITSU MAP3735F SUN72G 1201
    6   6   0  50800200001d2cf1  SUNW    SUNWGS INT FCBPL9228
    3   3   0  500000e0106e4be1  FUJITSU MAP3735F SUN72G 1201
    4   4   0  500000e0106a6911  FUJITSU MAP3735F SUN72G 1201
    5   5   0  500000e0106f0321  FUJITSU MAP3735F SUN72G 1201
    8   8   0  2100000c50565823  SEAGATE ST373307FSUN72G 0307
    9   9   0  2100001862cc39a8  SEAGATE ST314655FSUN146G0691
    a   a   0  2100001862caf6e7  SEAGATE ST314655FSUN146G0691
    b   b   0  2100000c5056560c  SEAGATE ST373307FSUN72G 0307
    c   c   0  2100001862cc3775  SEAGATE ST314655FSUN146G0691
    d   d   0  2100001862cfd57d  SEAGATE ST314655FSUN146G0691

4, obdiag passes test 1

   >> Testing disk at loop ID: d
   Selftest at /pci@8,600000/SUNW,qlc@2 .................................. passed
   Pass:1 (of 1260) Errors:0 (of 0) Tests Failed:0 Elapsed Time: 0:0:8:29

 

no error found under obdiag test but the panic persist



Cause

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