Re: [linux-usb-devel] Problem with AIPTEK usb-pendrive

2003-07-27 Thread Alan Stern
On Fri, 25 Jul 2003, Matthias Fuchs wrote: Hi, it seems that our problem with the USB-pendrive is easy to explain, but not difficult to solve: We are using a ohci controller on a cache-incoherent system (IBM PowerPC 405). This causes a lot of problems in the USB system during DMA'ing to

Re: [linux-usb-devel] Problem with AIPTEK usb-pendrive

2003-07-25 Thread Matthias Fuchs
Hi, it seems that our problem with the USB-pendrive is easy to explain, but not difficult to solve: We are using a ohci controller on a cache-incoherent system (IBM PowerPC 405). This causes a lot of problems in the USB system during DMA'ing to non-cacheline-aligned memory regions. Matthias --

Re: [linux-usb-devel] Problem with AIPTEK usb-pendrive

2003-06-13 Thread Matthias Fuchs
Hi Alan, Alan Stern wrote: Can you try using your device on a regular PC? I did that before. Seems to work under 2.4.18 (SuSE kernel). Can you try using Linux 2.5.70 to see if that helps? No, I cannot try that, since this kernel is not supported by our custom board. Can you enable

Re: [linux-usb-devel] Problem with AIPTEK usb-pendrive

2003-06-13 Thread Alan Stern
On Fri, 13 Jun 2003, Matthias Fuchs wrote: Hi Alan, Alan Stern wrote: Can you try using your device on a regular PC? I did that before. Seems to work under 2.4.18 (SuSE kernel). Can you try using Linux 2.5.70 to see if that helps? No, I cannot try that, since this kernel is not

[linux-usb-devel] Problem with AIPTEK usb-pendrive

2003-06-06 Thread Matthias Fuchs
Hi, I have a problem with the usb-storage driver on a PowerPC hardware. My Linux Kernel is 2.4.21-rc7 from the PowerPC devel tree. This is what happens: First I load the usb-ohci driver (PCI hostcontroller is a Philips ISP1561BM). This OHCI host controllers has two USB1.1 hosts, one USB2.0 host.

Re: [linux-usb-devel] Problem with AIPTEK usb-pendrive

2003-06-06 Thread Alan Stern
On Thu, 5 Jun 2003, Matthias Fuchs wrote: Hi, I have a problem with the usb-storage driver on a PowerPC hardware. My Linux Kernel is 2.4.21-rc7 from the PowerPC devel tree. This is what happens: First I load the usb-ohci driver (PCI hostcontroller is a Philips ISP1561BM). This OHCI

Re: [linux-usb-devel] Problem with AIPTEK usb-pendrive

2003-06-06 Thread Matthias Fuchs
Hi Alan, Alan Stern wrote: Always run with usb-storage debugging turned on :-) :-) mount -t ext2 /dev/sda1 /mnt does not return Have you tried mounting it read-only? Also, can you tell where the mount process is hung? Try Alt-SysRq-T (and make sure you have enabled the Magic SysRq key in

Re: [linux-usb-devel] Problem with AIPTEK usb-pendrive

2003-06-06 Thread Alan Stern
On Fri, 6 Jun 2003, Matthias Fuchs wrote: mount -t ext2 /dev/sda1 /mnt does not return Have you tried mounting it read-only? Also, can you tell where the mount process is hung? Try Alt-SysRq-T (and make sure you have enabled the Magic SysRq key in your kernel). Since my system is an