Frederic Barrat <fbar...@linux.vnet.ibm.com> writes: > If a process dumps core while owning a cxl file descriptor obtained > from an AFU driver (e.g. cxlflash) through the cxl_get_fd() API, the > following error occurs: > > [ 868.027591] Unable to handle kernel paging request for data at address ... > [ 868.027778] Faulting instruction address: 0xc00000000035edb0 > cpu 0x8c: Vector: 300 (Data Access) at [c000003c688275e0] > pc: c00000000035edb0: elf_core_dump+0xd60/0x1300 > lr: c00000000035ed80: elf_core_dump+0xd30/0x1300 > sp: c000003c68827860 > msr: 9000000100009033 > dar: c > dsisr: 40000000 > current = 0xc000003c68780000 > paca = 0xc000000001b73200 softe: 0 irq_happened: 0x01 > pid = 46725, comm = hxesurelock > enter ? for help > [c000003c68827a60] c00000000036948c do_coredump+0xcec/0x11e0 > [c000003c68827c20] c0000000000ce9e0 get_signal+0x540/0x7b0 > [c000003c68827d10] c000000000017354 do_signal+0x54/0x2b0 > [c000003c68827e00] c00000000001777c do_notify_resume+0xbc/0xd0 > [c000003c68827e30] c000000000009838 ret_from_except_lite+0x64/0x68 > --- Exception: 300 (Data Access) at 00003fff98ad2918
Just FYI, the triple "---" is the "end of change log" marker. It took me a while to work out why whenever I applied this I only got half the change log and no sign offs :D Personally I like to indent oopses anyway, which also avoids that problem. cheers
