[Bug 229745] ahcich: CAM status: Command timeout

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229745

Wayne Willcox <wwillcox7 at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |wwillcox7 at gmail.com

--- Comment #39 from Wayne Willcox <wwillcox7 at gmail.com> ---

I am getting the same errors and a hang.  changed the settings to
vfs.zfs.cache_flush_disable: 1

and it will still get those errors and hung however it does take longer. This
system is not that heavily used it is a zabbix server only.

<WDC WD30EZRZ-00GXCB0 80.00A80>    at scbus0 target 0 lun 0 (ada0,pass0)
<Hitachi HDS721010CLA330 JP4OA3MA>  at scbus1 target 0 lun 0 (ada1,pass1)
<Hitachi HDS721010CLA330 JP4OA3MA>  at scbus2 target 0 lun 0 (ada2,pass2)
<Hitachi HDS721010CLA330 JP4OA3MA>  at scbus3 target 0 lun 0 (ada3,pass3)
<Hitachi HDS721010CLA330 JP4OA3MA>  at scbus4 target 0 lun 0 (ada4,pass4)
<WDC WD5000AACS-00G8B1 05.04C05>   at scbus4 target 1 lun 0 (ada5,pass5)

ahci0: AHCI v1.20 with 4 6Gbps ports, Port Multiplier supported
ahci0: quirks=0x22000<ATI_PMP_BUG,1MSI>
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
ahcich2: <AHCI channel> at channel 2 on ahci0
ahcich3: <AHCI channel> at channel 3 on ahci0
ohci0: <AMD SB7x0/SB8x0/SB9x0 USB controller> mem 0xf9ef7000-0xf9ef7fff irq 18
at device 18.0 on pci0

I swapped to a completely different motherboard going from an intel originally
to this one which is an AMD.
FreeBSD 12.1-RELEASE r354233 GENERIC amd64
FreeBSD clang version 8.0.1 (tags/RELEASE_801/final 366581) (based on LLVM
8.0.1)
VT(efifb): resolution 800x600
CPU: AMD Phenom(tm) II X6 1090T Processor (3200.16-MHz K8-class CPU)
  Origin="AuthenticAMD"  Id=0x100fa0  Family=0x10  Model=0xa  Stepping=0
 
Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x802009<SSE3,MON,CX16,POPCNT>
  AMD
Features=0xee500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM,3DNow!+,3DNow!>
  AMD
Features2=0x837ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,SKINIT,WDT,NodeId>
  SVM: NP,NRIP,NAsids=64
  TSC: P-state invariant, performance statistics
real memory  = 17179869184 (16384 MB)
avail memory = 16612155392 (15842 MB)

I have also tried a different brand new WD blue drive with the same results.
I have a bunch of WD red drives in service and have never seen this problem it
looks like it is some incompatibility with the drive firmware and FreeBSD?

I plan to replace this particular drive with a WD RED that I just ordered
however I have a number of the Blues and could assist with the testing of a fix
if there is one available.

(aprobe0:ahcich0:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00
(aprobe0:ahcich0:0:0:0): CAM status: Command timeout
(aprobe0:ahcich0:0:0:0): Retrying command, 0 more tries remain
ahcich0: Timeout on slot 6 port 0
ahcich0: is 00000002 cs 00000000 ss 00000000 rs 00000040 tfd 50 serr 00000000
cmd 00006617
(aprobe0:ahcich0:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00
(aprobe0:ahcich0:0:0:0): CAM status: Command timeout
(aprobe0:ahcich0:0:0:0): Error 5, Retries exhausted
sonewconn: pcb 0xfffff8000ee63d58: Listen queue overflow: 193 already in queue
awaiting acceptance (224 occurrences)
ahcich0: Timeout on slot 9 port 0
ahcich0: is 00000002 cs 00000000 ss 00000000 rs 00000200 tfd 50 serr 00000000
cmd 00006917
(aprobe0:ahcich0:0:0:0): ATA_IDENTIFY. ACB: ec 00 00 00 00 40 00 00 00 00 00 00
(aprobe0:ahcich0:0:0:0): CAM status: Command timeout
(aprobe0:ahcich0:0:0:0): Retrying command, 0 more tries remain

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