> Hello, > > I'm experiencing a write-test failure with > a WDC MyBook 3TB. Hoping someone may > recognize the issue and perhaps have > some advice. > > Briefly > > # dd bs=1024k if=/dev/zero of=test oflag=direct > dd: writing `test': Read-only file system > 10017+0 records in > 10016+0 records out > 10502537216 bytes (11 GB) copied, 132.675 s, 79.2 MB/s > > verbosity follows, attached below. > > Running with CentOS 6 kernel 2.6.32-71.29.1.el6.x86_64 > but I've found someone else experiencing the same > problem with latest kernel: Well basically, the kernel seems very ancient. Can you try like 3.1 possibly ? > > http://forums.gentoo.org/viewtopic.php?p=6871586#6871586 > > Willing to run the test with current kernel.org > if desired. Same drive works perfectly when > attached to a CentOS 5 system via USB2. Have > trouble tickets open with both WD and Highpoint. > > hardware: > > USB3 controller: ASMedia ASM1042 USB controller > (Highpoint RocketU 1144A card) > > drive: WDBACW0030HBK-00 > (WDC MyBook Essential 3TB) > (latest firmware 1016 flashed) > > Experienced a generally similar failure when > trying it out with a VIA VL800 USB3 controller > (SYBA card). Messages in 'dmesg' were different. > > I find it interesting that the other person > seeing this issue has an Intel USB3 controller > (i.e. reference-implementation hardware). Seems > to reduce the possibility of an issue at the > USB3 layer and point to a higher-layer firmware > or driver issue, perhaps related to timing or > latency. > > Any ideas or suggestions will be much appreciated. > > Thanks! > > P.S. Note that the 'lsusb' output does not include > the drive as it was run later. If it's important > will run it again with the drive attached. > > - -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
