> > Adrian, > > I think that the suggestion about checking the power supply, the cabling, > the grounding screws, and anything of like nature that has been omitted > from this list is a very good idea. If successful it would eliminate > the problem for you, as well as resolving the mystery. Unresolved > mysteries are unpleasant for the user, and at least equally unpleasant > for a developer. > > I have seen hardware do really weird things, myself. As a trivial example, > once a local computer shop gave me a motherboard which had been returned > because of booting problems. I was told that it had been brought in twice > by the customer. No problem had been detected in the shop; they had > replaced it to make a customer happy. I brought the board home. It was a > hot summer day. I put it on the floor, hooked up a spare power supply, and > it booted. No problem. I left it sitting there overnight. The next > morning, I tried it again. Dead. But in the evening it came to life again. > Guessing, I looked at the solder joints under the power connector on the > board. One of them looked suspicious. So I fired up the soldering iron and > put a dab of fresh solder on it. After that, the board was in use for > years and never had the booting problem again. The reason that the problem > was not detected was that it was the middle of the summer in Alabama, and > when the computer was brought to the shop it was put in a car for the > trip. The board got warm enough for the solder in that joint to expand > enough for startup, while en route to the shop. > > Thus, I definitely do encourage you to check for hardware or cabling > problems before deciding to buy additional equipment as a workaround. > > > Good luck, > > Theodore Kilgore > > > On Thu, 27 Sep 2012, Adrian Sandu wrote: > >> > They're the same chipset. There's minor differences in the PCI >> > capabilities, but not much else. It could be something electrically >> > wrong with the AsRock system, I suppose. That's possible if you see >> > the errors popping up erratically. >> > >> > Any chance you can exchange the AsRock system? >> >> Nope... I have it for more than 1 year and I kinda' need it even if >> the usb3 won't work... at least I can use the 2 ports to dirrectly >> connect 2 drives...nothing else is wrong and I wouldn't of known if I >> wouldn't of got these hubs... >> >> My only solution if no more debugging can be done is to get a nas a >> put the drives in it... >> >> Maybe it's the drives fault somehow ? maybe we should mail wd ? >> manhattan's fault ? via ? :) There must be someone/someway/somehow >> that can analyze it in someway and say what is wrong .. >> >> Still weird..I'll try on another laptop tomorrow or so ( a dell >> inspiron with an usb3 port .. dunno what usb3 root chipset it has ) The only thing I can do is buy other usb3 cables :| It's weird to think that 5 drives ( 2 bought last week or so from 2 different stores ( 1 wd and 1 seagate ), the other 3 are 2 WDs and 1 verbatim bought from different shops each (I am a "backup nazzi") ) are all having problems ! -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
