10.07.2017 23:02, Toomas Soome пишет:
> 
>> On 10. juuli 2017, at 22:53, Boris Samorodov <b...@passap.ru> wrote:
>>
>> 10.07.2017 22:21, Toomas Soome пишет:
>>>
>>>> On 10. juuli 2017, at 21:24, Boris Samorodov <b...@passap.ru> wrote:
>>>>
>>>> 10.07.2017 21:05, Allan Jude пишет:
>>>>> On 2017-07-09 14:40, Boris Samorodov wrote:
>>>>>> 08.07.2017 18:56, Boris Samorodov пишет:
>>>>>>> Hi All,
>>>>>>>
>>>>>>> I tied to install a new FreeBSD-amd-12 system from official USB
>>>>>>> installation memstick.img. Auto-UFS (GPT) installs fine and the system
>>>>>>> boots fine. However, ZFS-Auto install succeeds, but is not loaded.
>>>>>>> At the very beginning it gives something like "gpt sector XXXX error,
>>>>>>> gpt sector 1 error, can't find zroot..."
>>>>>>>
>>>>>>> Is it a known error / should I give more (precise) errors?
>>>>>>>
>>>>>>> I tried two recent images with the same result:
>>>>>>> ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/ISO-IMAGES/12.0/FreeBSD-12.0-CURRENT-amd64-20170703-r320599-memstick.img
>>>>>>> ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/ISO-IMAGES/12.0/FreeBSD-12.0-CURRENT-amd64-20170626-r320360-memstick.img
>>>>>>
>>>>>> It turned out GPT and zfs are not usable at this machine.
>>>>>> MBR / ZFS works fine.
>>>>>>
>>>>>> I'll stick with that.
>>>>>
>>>>> What type of machine is it?
>>>>
>>>> It's a PC circa 2009 with MB ASUS P5QL/EPU:
>>>> ---
>>>> CPU: Intel(R) Core(TM)2 Duo CPU     E7400  @ 2.80GHz (2799.52-MHz
>>>> K8-class CPU)
>>>> Origin="GenuineIntel"  Id=0x1067a  Family=0x6  Model=0x17  Stepping=10
>>>>
>>>>
>>>> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>>>>
>>>>
>>>>
>>>> Features2=0xc08e3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,XSAVE,OSXSAVE>
>>>>
>>>> AMD Features=0x20100800<SYSCALL,NX,LM>
>>>> AMD Features2=0x1<LAHF>
>>>> VT-x: HLT,PAUSE
>>>> TSC: P-state invariant, performance statistics
>>>> real memory  = 4294967296 (4096 MB)
>>>> avail memory = 3324891136 (3170 MB)
>>>> Event timer "LAPIC" quality 100
>>>> ACPI APIC Table: <A_M_I_ OEMAPIC >
>>>> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
>>>> FreeBSD/SMP: 1 package(s) x 2 core(s)
>>>> ---
>>>>
>>>> -- 
>>>> WBR, bsam
>>>
>>> Of course it really can not be that the BIOS has something against 
>>> combination of GPT+ZFS, but this combination may trigger some sort of 
>>> bug/misbehavior. I have seen some pretty weird issues and have work in 
>>> process to have a bit more fool proof approach, but I haven't had time yet 
>>> to finalize it properly.
>>
>> Yep, UFS+GPT works fine here.
>>
>> Just for archieves: errors for ZFS + GPT
>> ---
>> gptzfsboot: error 128 lba 3907027040
>> gptzfsboot: error 128 lba 1
> 
> Hm, 128 is 0x80 == Disk timeout. So it can be result from the missing device 
> (bad USB connection or missing floppy drive). What our INT13 related code is 
> currently missing, is the reset on error calls - to try to get the IO system 
> back to stable state. Or to be exact - the reset is not always used.

Actually, it's the same SATA cable/disk which works for UFS/ZFS.

> rgds,
> toomas
> 
>> gptzfsboot: no zfs pools located, can't boot
>> ---
>>
>> The disk is:
>> ---
>>        512             # sectorsize
>>        2000397852160   # mediasize in bytes (1.8T)
>>        3907027055      # mediasize in sectors
>>        0               # stripesize
>>        0               # stripeoffset
>>        3876018         # Cylinders according to firmware.
>>        16              # Heads according to firmware.
>>        63              # Sectors according to firmware.
>>        WD-WMAUR0112162 # Disk ident.
>>        Not_Zoned       # Zone Mode
>> ---
>>
>> UEFI is not available at the motherboard.
>>
>>> Namely, what I have found is that in some systems the INT13 ah=08 can 
>>> result with unexpected results - error from command reported or disk count 
>>> not reported etc - something not really expected. It also may have to do 
>>> about what other devices are there. And also if the system has plain BIOS 
>>> or BIOS emulated on UEFI.
>>
-- 
WBR, bsam
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