-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 05/14/2014 12:29 PM, Peter Zijlstra wrote: > On Mon, May 12, 2014 at 11:42:33AM -0400, Sasha Levin wrote: >> Hi all, >> >> While fuzzing with trinity inside a KVM tools guest running the latest -next >> kernel I've stumbled on the following spew. Maybe related to the very recent >> change in freeing on task exit? >> >> [ 2509.827261] general protection fault: 0000 [#1] PREEMPT SMP >> DEBUG_PAGEALLOC [ 2509.830379] Dumping ftrace buffer: [ 2509.830379] >> (ftrace buffer empty) [ 2509.830379] Modules linked in: [ 2509.830379] CPU: >> 47 PID: 43306 Comm: trinity-c126 Tainted: G W >> 3.15.0-rc5-next-20140512-sasha-00019-ga20bc00-dirty #456 > > Any particular trinity setup? And would you happen to have the seed of that > run?
Nothing special about trinity options. 400 threads and blacklisting some of the destructive syscalls (umount, reboot, etc). I don't have the seed, but that problem did reproduce again tonight so I can test out debug code if you have something in mind. Thanks, Sasha -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJTc5qaAAoJEN6mb/eXdyzcg30P/jQ9XyI1kNd82nGwumNkZoxn 7krZU9M0IcUkBcvrxDFgPtdbcEt3p5K+mbF8+fwkwYSGXmKf1MhWaXjB47x74BMg uM5DNlBTFYU9YRYtHnheb6UNhtIOhU5/oFfmMcGdxWCh/7PdXqrUBMAaAQDa1XJH y+YBtOZWu+tKXVVuloCJMdgBvh/AI9Hbk/LqUyolKlKOR69A6oK7qFEhQLQpvk4y 63YYCePqLFcc1wYR0zscCnI53jw0qTqOUDo4pPMvWm+i2e9hjSpjDu0Y8drum4hf nbrr3A8hR4Voy6+z92niEPcpn/N2OeNpijnjUc8YKprl+n2/i+mFx5sUlsAhiWMx kzboP4yQQHcERuRaL1KJrQAQuWEtUFxLHVIzk0Ou+GrySCQKFCdL1XYO1sc84rOO 3ucDeSaf9lnjYOEHOydHolPzmEZynvGeOGclD5sxzJGrRmvKDuioI/gb5DIKJSLn 1948AukoekAHgFbrZv2ZXV57BtKcuY01cqpOGAfv4/7K8n4FTBgfTLd+1inpqk+n P+tFzfI+Co+aB6UBHvCRg9Hr5qELjlorYAfVz98Fgvx8uqwbrM3xFCbwjem6qLOq G2oHHB7/Wzu3GAabaZfwyMcf9jRLDXbgls5NIZ3jpMSt9BX1ezRTmTF4VhHuy51G 4SpXVJGpn/wrUoRygiop =Fnmx -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
