Bug#679519: unable to obtain better info ( usbhid causes crashes in applications by memory corruption))
On Mon, 2012-07-02 at 19:29 +0100, Steve Graham wrote:
> After building a kernel with X86_CHECK_BIOS_CORRUPTION enabled, I set it to scan (almost) as
> advised. No corruption of the low memory was reported after running some hours either with or
> without usbhid loaded.
And did you plug in a new HID device?
> (Booting with memory_corruption_check_size=640K caused an immediate kernel panic -- early exception
> 08 --though. Changing it to 620k allowed the boot to continue normally.)
> I took the opportunity to include kmemleak in the new kernel as well. After some uptime, one orphan
> object was always found, but it happened either with or without usbhid ever having been loaded. To
> judge from the traceback it was something ACPI-related anyway.
> So, basically, no progress.
Can you test Linux 3.4, available from the experimental suite? If that
still has the problem, we can pass this on to the upstream developers;
if not, we can try to work out where it was fixed.
When in doubt, use brute force. - Ken Thompson