On Fri, 2012-06-29 at 11:47 +0100, Steve Graham wrote: > Package: src:linux Version: 3.2.21-2 > X-Mailer: reportbug 4.12.6 > Date: Fri, 29 Jun 2012 11:26:06 +0100 > > Severity: normal Tags: upstream > > When I plug in a USB mouse (or keyboard, but I don't normally do that) into > this laptop, the first event -- mouse movement -- causes some applications to > crash with a memory corruption message from malloc. > > Applications which reliably crash every time are audacious, cairo-dock and > zenity. However, if re-started, they may or may not crash again. > > If usbhid is blacklisted, no crashes occur, although, obviously, the mouse > does not work. I can use the built-in trackpad. > > I've tried a "vanilla" kernel compiled from source (although not the Debian > way; sorry) and the result is the same. Is that a standard (non-realtime) kernel? If not, can you also test a standard kernel configuration (linux-image-3.2.0-3-amd64)? > I don't know much about kernel modules > and memory, so I don't know how to provide more useful information. > Obviously usbhid must be in use on every linux desktop or laptop in the world, > and I've found no other reports of similar problems. Am I the only person > using 64-bit linux on a dual-core Intel Atom? [...] Probably not! Please try booting with the extra kernel parameters: memory_corruption_check=1 memory_corruption_check_size=640K memory_corruption_check_period=5 Does that avoid the problem, and if so what does the kernel log show after you plug in the device? Ben. -- Ben Hutchings Lowery's Law: If it jams, force it. If it breaks, it needed replacing anyway.
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