Messages in this thread | | | From | Holger Hoffstätte <> | Subject | Re: Kernel 4.1.6 Panic due to slab corruption | Date | Mon, 7 Sep 2015 11:58:18 +0000 (UTC) |
| |
On Mon, 07 Sep 2015 11:49:12 +0000, Holger Hoffstätte wrote:
> On Mon, 07 Sep 2015 14:30:49 +0300, Nikolay Borisov wrote: > >> If you have the vmlinux image for the kernel you were running at the >> time, the crash occured, could you post the output of addr2line -f -e >> path/to/vmlinux ffffffff8115bd4d to see if it also fails in >> get_freepointer. > > Had to rebuild to get an uncompressed vmlinux, but here it is: > > holger>addr2line -f -e vmlinux ffffffff8115bd4d > kmem_cache_alloc > ??:? > > Not sure how much we can learn from this. :}
Also for what it's worth the related splatter is all in the same place:
holger>zgrep ffffffff8115bd4d /var/log/kern.log.0.gz Sep 5 20:42:02 ragnarok kernel: IP: [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP: 0010:[<ffffffff8115bd4d>] [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: IP: [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP: 0010:[<ffffffff8115bd4d>] [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: IP: [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP: 0010:[<ffffffff8115bd4d>] [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: IP: [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP: 0010:[<ffffffff8115bd4d>] [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: IP: [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP: 0010:[<ffffffff8115bd4d>] [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:02 ragnarok kernel: RIP [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:03 ragnarok kernel: IP: [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:03 ragnarok kernel: RIP: 0010:[<ffffffff8115bd4d>] [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:03 ragnarok kernel: RIP [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:10 ragnarok kernel: IP: [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:10 ragnarok kernel: RIP: 0010:[<ffffffff8115bd4d>] [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:10 ragnarok kernel: RIP [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:10 ragnarok kernel: IP: [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:10 ragnarok kernel: RIP: 0010:[<ffffffff8115bd4d>] [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160 Sep 5 20:42:10 ragnarok kernel: RIP [<ffffffff8115bd4d>] kmem_cache_alloc+0x6d/0x160
CPU is a 4 core HT i7 (aka 8 vcores), and so I have 8 splats.
thanks,
Holger
| |