On Tue, 2018-11-27 at 17:55 +0800, chenxiang (M) wrote: > [ 629.210506] Unable to handle kernel paging request at virtual address > 0000ffff8027e048 > [ 629.210506] Unable to handle kernel paging request at virtual address > 0000ffff8027e048 > ... > [ 629.380218] pc : deadline_remove_request+0x2c/0xd0 > [ 629.380218] pc : deadline_remove_request+0x2c/0xd0 > [ 629.389799] lr : dd_dispatch_request+0x184/0x1e0 > [ 629.389799] lr : dd_dispatch_request+0x184/0x1e0 > [ 629.399031] sp : ffff0000275a3aa0 > [ 629.399031] sp : ffff0000275a3aa0 > [ 629.405651] x29: ffff0000275a3aa0 x28: ffff8027dc230d40 > [ 629.405651] x29: ffff0000275a3aa0 x28: ffff8027dc230d40 > [ 629.416278] x27: 0000000000000001 x26: ffff8027dc230d40 > [ 629.416278] x27: 0000000000000001 x26: ffff8027dc230d40 > [ 629.426903] x25: 0000000000000000 x24: ffff0000094f1000 > [ 629.426903] x25: 0000000000000000 x24: ffff0000094f1000 > [ 629.437529] x23: ffff8027a1e1d140 x22: 0000000000000006 > [ 629.437529] x23: ffff8027a1e1d140 x22: 0000000000000006 > [ 629.448155] x21: ffff7e009ec69842 x20: ffff8027a1e1d100 > [ 629.448155] x21: ffff7e009ec69842 x20: ffff8027a1e1d100 > [ 629.458781] x19: ffff8027a1e1d100 x18: 0000000000000000 > [ 629.458781] x19: ffff8027a1e1d100 x18: 0000000000000000 > [ 629.469406] x17: 000000009e8c9c80 x16: 00000027a3272000 > [ 629.469406] x17: 000000009e8c9c80 x16: 00000027a3272000 > [ 629.480032] x15: ffff7e009fff9534 x14: ffff7e009ec698c0 > [ 629.480032] x15: ffff7e009fff9534 x14: ffff7e009ec698c0 > [ 629.490658] x13: ffff7e009ec69880 x12: 0000000000000009 > [ 629.490658] x13: ffff7e009ec69880 x12: 0000000000000009 > [ 629.501284] x11: 0000000000000000 x10: ffff8027a7c03560 > [ 629.501284] x11: 0000000000000000 x10: ffff8027a7c03560 > [ 629.511910] x9 : ffff8027a7c007b8 x8 : 0000000000000007 > [ 629.511910] x9 : ffff8027a7c007b8 x8 : 0000000000000007 > [ 629.522535] x7 : ffff8027a7c011c8 x6 : 0000000000000000 > [ 629.522535] x7 : ffff8027a7c011c8 x6 : 0000000000000000 > [ 629.533161] x5 : 0000000000000000 x4 : 0000ffff8027e040 > [ 629.533161] x5 : 0000000000000000 x4 : 0000ffff8027e040 > [ 629.543787] x3 : ffff8027a1e20040 x2 : ffff8027da87f6a0 > [ 629.543787] x3 : ffff8027a1e20040 x2 : ffff8027da87f6a0 > [ 629.554413] x1 : ffff8027a1e1d140 x0 : ffff8027a1e1d160 > [ 629.554413] x1 : ffff8027a1e1d140 x0 : ffff8027a1e1d160 I don't have an ARM architecture machine, but the faulting address looks like it may have been loaded from a corrupted pointer value (0000ffff8027e048 instead of ffff8027e048----) The code in question uses some list primitives, were there any warning messages about list corruption prior to the crash? -Ewan
