Re: [Bugme-new] [Bug 11456] New: USB freeze with SB600 chipset

[Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>]

(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Sat, 30 Aug 2008 00:37:18 -0700 (PDT) bugme-daemon@xxxxxxxxxxxxxxxxxxx wrote:

> http://bugzilla.kernel.org/show_bug.cgi?id=11456
> 
>            Summary: USB freeze with SB600 chipset
>            Product: Drivers
>            Version: 2.5
>      KernelVersion: 2.6.27 (ubuntu 2.6.27-2-generic)
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: USB
>         AssignedTo: greg@xxxxxxxxx
>         ReportedBy: hadmut@xxxxxxxxxx
> 
> 
> Latest working kernel version: none
> Earliest failing kernel version:
> Distribution: Ubuntu
> 
> Hi, I recently bought a small Acer Desktop PC with AMD x2 CPU and SB600
> Southbridge. Hardware seems to be OK, it came with Windows Vista and worked
> properly. 
> 
> I then installed Ubuntu 8.04 with a 2.6.24 kernel and ran into severe problems
> with the USB port: I could mount USB sticks but they became unavailable as soon
> as I wanted to access data. Mouse and Keyboard that were connected through USB
> hubs freezed within about 2 Minutes after system boot. 
> 
> I then tried the 2.6.26 and 2.6.27 kernels from the upcoming Ubuntu 8.10
> release and the problems with the USB storage seem to be gone, I could read
> data from a USB stick without problems. 
> 
> However, I still can't use mouse and keyboard when connected through a USB hub
> for more than a few seconds, and in general the USB part does not seem to be
> stable. 
> 
> Unfortunately, there's no error message in dmesg or kernel logs. 
> 
> regards
> Hadmut

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