/boot/loader can't load kernel if too many pool/devices

[Henri Hennebert]

Doug Rabson wrote:
> 
> On 1 Jun 2009, at 11:22, Henri Hennebert wrote:
> 
>> Hello,
>>
>> During my tests (succesful) to directly boot from ZFS (with zfsboot 
>> and gptzfsboot) I encounter the error "can't boot 'kernel'" if too 
>> many devices/pools are connected to the machine. In my case:
>>
>> 2 SAS disks with 2 pools
>> 2 SATA disks with 2 pools
>> 1 USB key with one pool
>>
>> `heap` command:
>>
>> Active Allocations: 171/173
>> 536576 bytes reserved 527800 bytes allocated
>>
>> `ls` command:
>>
>> open '/' failed: too many open files
>>
>> If I reboot without the USB key all is OK.
>>
>> If I reboot from the USB key after disconnecting 2 disks all is OK.
>>
>> By the way, the /boot/loader in 7.2-STABLE don't work, complains about 
>> forth not found.
>>
>> The previous tests were made with 7.2-STABLE (May 31) with 
>> /boot/loader from 8.0-CURRENT.
> 
> I recently increased the number of file descriptors available for 
> /boot/loader. Could you rebuild and try again please. Make sure you 
> rebuild libstand.a as well as /boot/loader.
> 
OK - I can boot with the USB key and 4 disks

Thanks

Henri