On Monday 06 December 2004 11:38 am, Ian Turley wrote: > Hi > > I have an external Maxtor 250 G one touch connected through a USB 2.0 > PCI Via technology card, that works fine. However everynight when the > cron job updateddb runs the hard drive crashes: > > Dec 6 11:16:48 everton kernel: hub.c: USB device not accepting new > address (error=-71) > Dec 6 11:16:53 everton kernel: scsi: device set offline - not ready or > command retry failed after bus reset: host 0 channel 0 id 0 lun 0 > Dec 6 11:16:53 everton kernel: SCSI disk error : host 0 channel 0 id 0 > lun 0 return code = 70000 > Dec 6 11:16:53 everton kernel: I/O error: dev 08:01, sector 147592648 > ... etc
Lately, lots of folk have been reporting problems with drives just offlining themselves. In fact I sent some mail about that on Friday, for that same Maxtor drive. Check the linux-usb-devel list archives for the thread "those "disk drive disconnects self" problems ...". Since then I've had some progress, applying two patches. One patch for EHCI, which I'll submit later today; and another for usb-storage, which I'll post at about the same time (but won't suggest be merged). With both patches, I was able to "rsync" about 22 GB, without the problems that previously appeared. Separately, I'll remark that _some_ of the VIA EHCI cards have been troublesome ... the ones with VT6202 chip. You can tell if that's what you've got either by looking at the card, or (if you're not using an open-air case!) seeing if the driver initialization messages report "EHCI 0.95" rather than "EHCI 1.0". (You could tell from the silicon revision -- 63 below -- but I don't remember which code indicates VT6202!) I'd not be surprised to learn that the EHCI patch I'll post has improved behavior on the VT6202, since the timing issue it addresses is chip-specific and could more easily show up on such older silicon. While I don't think either of those patches really addresses the root cause of whatever problem is making drives offline themselves, better fault recovery might be enough to make them fully usable. - Dave ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
