Bernd Walter wrote:
On Mon, Apr 05, 2004 at 02:58:33PM +0200, Heinrich Rebehn wrote:

i am using a NEC USB2 controller and am just about to give up on using it. I don't know if it's the controller, the disk or the ehci driver.
However, man ehci(4) states that "The driver is not finished and is quite buggy." This seems to be true. I get all sorts of trouble ranging from hangs during boot to system crashes.
I am reverting back to USB1 although its terribly slow.


FreeBSD 5.2.1-RELEASE-p3

usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb2 usb3
usb4: <NEC uPD 720100 USB 2.0 controller> on ehci0
usb4: USB revision 2.0
uhub4: NEC EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub4: 3 ports with 3 removable, self powered

umass0: Maxtor OneTouch, rev 2.00/2.00, addr 2
umass0: Get Max Lun not supported (STALLED)
GEOM: create disk da0 dp=0xc82ad450
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <Maxtor OneTouch 0200> Fixed Direct Access SCSI-0 device
da0: 1.000MB/s transfers
da0: 239371MB (490232832 512 byte sectors: 255H 63S/T 30515C)

Sorry i can't report anything posivtive on this.


And I can't see anything wrong with your log.


Sorry, the log should only show what hardware i am using.
I could not find any log for the hangs, probably because it occurs while the kernel is starting and i have to press reset, so it never gets written to a logfile.


The crash happend when i hotplugged an MP3 Jukebox and tried to mount it:

Apr 3 12:32:26 antsrv1 kernel: umass1: ARCHOS ARCHOS USB2.0 (P4a), rev 2.00/11.01, addr 3
Apr 3 12:32:32 antsrv1 kernel: GEOM: create disk da1 dp=0xca5f0850
Apr 3 12:32:32 antsrv1 kernel: da1 at umass-sim1 bus 1 target 0 lun 0
Apr 3 12:32:32 antsrv1 kernel: da1: <HITACHI_ DK23EA-20 00K5> Fixed Direct Access SCSI-0 device
Apr 3 12:32:32 antsrv1 kernel: da1: 1.000MB/s transfers
Apr 3 12:32:32 antsrv1 kernel: da1: 19077MB (39070080 512 byte sectors: 255H 63S/T 2432C)
Apr 3 12:33:03 antsrv1 login: ROOT LOGIN (root) ON ttyv0
Apr 3 12:38:08 antsrv1 syslogd: kernel boot file is /boot/kernel/kernel
Apr 3 12:38:08 antsrv1 kernel: panic: ehci_abort_xfer: not in process context
Apr 3 12:38:08 antsrv1 kernel: cpuid = 0;
Apr 3 12:38:08 antsrv1 kernel:
Apr 3 12:38:08 antsrv1 kernel: syncing disks, buffers remaining... 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418 6418
Apr 3 12:38:08 antsrv1 kernel: giving up on 3004 buffers
Apr 3 12:38:08 antsrv1 kernel: Uptime: 22h44m54s



Also, i get I/O-errors and the disk is inaccessible after having worked ok for days. Rebooting the machine fixes this.


Heinrich
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