On 1/26/2011 3:45 PM, Robert Sexton wrote: > I just ran into something similar with 4G cards, where the nanobsd > numbers for 4G sandisk cards were wrong. > > It looks like in these most recent cards, Sandisk has reserved more > flash for wear leveling and spare sectors, > so a 4G nanobsd image won't fit onto a 4G card. I used the numbers from > fdisk to calculate the new device size, and used that in my nanobsd > script, and all was well. You're getting errors at the 3.9G boundary. > You may be running off the end of the device.
Hmmm, even if I make the media size just 2G, I still get the errors. How are you burning the image onto the CF ? What values did you use to create the image ? Or is it CF reader dependent ? > > > - Robert > > > > On 1/24/11 6:41 PM, Mike Tancsa wrote: >> On the latest SANDisk batch of CFs I got, I am getting periodic errors >> reading from the flash on my 5501 (FreeBSD RELENG_8). However, when I >> put the flash in different readers-- e.g. attached to a regular >> server, no errors. On the 5501 I get periodic >> >> ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> >> error=10<NID_NOT_FOUND> LBA=7813103 >> ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> >> error=10<NID_NOT_FOUND> LBA=7813119 >> ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> >> error=10<NID_NOT_FOUND> LBA=7813116 >> ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> >> error=10<NID_NOT_FOUND> LBA=7813119 >> ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> >> error=10<NID_NOT_FOUND> LBA=7813119 >> ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> >> error=10<NID_NOT_FOUND> LBA=7813119 >> ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> >> error=10<NID_NOT_FOUND> LBA=7813119 >> >> >> the 2G flashes work just fine in the same box. The only difference I >> can see between the 2G and 4G CF is that that atacontrol says "lba48 >> supported".... Could this be the issue ? If so, is there a way to turn >> it off or work around it ? My supplier is not carrying 2G anymore and >> the 4 is the same price as the 2G :( >> >> >> >> Protocol ATA/ATAPI revision 0 >> device model SanDisk SDCFH-004G >> serial number ACZ120910191749 >> firmware revision HDX 6.02 >> cylinders 7751 >> heads 16 >> sectors/track 63 >> CFA supported >> lba supported 7813120 sectors >> lba48 supported 7813120 sectors >> dma supported >> overlap not supported >> >> Feature Support Enable Value Vendor >> write cache yes yes >> read ahead no no >> Tagged Command Queuing (TCQ) no no 0/0x00 >> SMART no no >> microcode download no no >> security no no >> power management no no >> advanced power management yes no 0/0x00 >> automatic acoustic management no no 0/0x00 0/0x00 >> >> >> ---Mike ---Mike >> _______________________________________________ >> Soekris-tech mailing list >> [email protected] >> http://lists.soekris.com/mailman/listinfo/soekris-tech >> > > _______________________________________________ Soekris-tech mailing list [email protected] http://lists.soekris.com/mailman/listinfo/soekris-tech
