Re: Kernel Panic in SANDPOINT 5.99.64-GENERIC on DSM-G600

[Charles Brown <obigiankenobi%gmail.com@localhost>]

Thank you very much Toru, this confirm my suspect...
My unit is ready for the trashcan... :(

2012/2/15 Toru Nishimura <locore64%alkyltechnology.com@localhost>:
> Hi, Charles,
>
> Thanks for detailed reports.  I made some casual FTP test run on
> my NAS and got the following results so far.
>
> NetBSD nas8245 5.99.64 NetBSD 5.99.64 (KUROBOX) #109: Sat Feb 11 10:46:39
> JST 2012
> cpu0 at mainbus0: 8245 (Revision 0.4), ID 0 (primary)
> cpu0: HID0 0x90c000<DOZE,DPM,ICE,DCE>, powersave: 1
> cpu0: 195.12 MHz
>
> It receives 1giga file from Pen3 933MHz running NB5.1.  The two
> are housed in the same 100Mbps netgear switching hub, no GbE is
> involved in this case.   It's known that the PC can send/receive a
> single FTP stream with wire-saturating 11MiB/s speed.
>
> ftp> put LARGE /dev/null
> ...
> 100% |**********************************|   976 MiB    4.76 MiB/s    00:00
> ETA
> 1024000000 bytes sent in 03:25 (4.76 MiB/s)
>
> On the reverse direction, my NAS can swallow FTP stream some
> slower.
>
> ftp> put LARGE /dev/null
> ...
> 100% |***********************************|   976 MiB    3.67 MiB/s    00:00
> ETA
> 1024000000 bytes sent in 04:25 (3.67 MiB/s)
>
> These facts indicate the 195MHz CPU lacks the muscle to saturate
> the 100Mbps pipe.  Disk write to NAS case yields worse results.
>
> ftp> put LARGE hoy
> ...
> 100% |***********************************|   976 MiB    1.65 MiB/s    00:00
> ETA
> 1024000000 bytes sent in 09:48 (1.65 MiB/s)
>
> wd0: <Hitachi HDS721680PLAT80>
> wd0: drive supports 16-sector PIO transfers, LBA48 addressing
> wd0: 76319 MB, 155061 cyl, 16 head, 63 sec, 512 bytes/sect x 156301488
> sectors
> wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
> wd0(cmdide0:0:0): using PIO mode 4, Ultra-DMA mode 5 (Ultra/100) (using DMA)
>
> The 7200rpm Hitachi drive operates in UDMA100 and is known
> capable of 100Mbps FTP streaming with modern CPUs.
>
> Toru Nishimura / ALKYL Technology