Michael Ellerman <mpe@xxxxxxxxxxxxxx> writes: > Vaibhav Jain <vaibhav@xxxxxxxxxxxxxxxxxx> writes: > >> From: Vaibhav Jain <vaibhav@xxxxxxxxxxxxx> >> >> Currently we see a kernel-oops reported on Power-9 while attaching a >> context to an AFU, with radix-mode and sysfs attr 'prefault_mode' set >> to anything other than 'none'. The backtrace of the oops is of this >> form: >> >> Unable to handle kernel paging request for data at address 0x00000080 >> Faulting instruction address: 0xc00800000bcf3b20 >> cpu 0x1: Vector: 300 (Data Access) at [c00000037f003800] >> pc: c00800000bcf3b20: cxl_load_segment+0x178/0x290 [cxl] >> lr: c00800000bcf39f0: cxl_load_segment+0x48/0x290 [cxl] >> sp: c00000037f003a80 >> msr: 9000000000009033 >> dar: 80 >> dsisr: 40000000 >> current = 0xc00000037f280000 >> paca = 0xc0000003ffffe600 softe: 3 irq_happened: 0x01 >> pid = 3529, comm = afp_no_int >> <snip> >> [c00000037f003af0] c00800000bcf4424 cxl_prefault+0xfc/0x248 [cxl] >> [c00000037f003b50] c00800000bcf8a40 process_element_entry_psl9+0xd8/0x1a0 [cxl] >> [c00000037f003b90] c00800000bcf944c cxl_attach_dedicated_process_psl9+0x44/0x130 [cxl] >> [c00000037f003bd0] c00800000bcf5448 native_attach_process+0xc0/0x130 [cxl] >> [c00000037f003c50] c00800000bcf16cc afu_ioctl+0x3f4/0x5e0 [cxl] >> [c00000037f003d00] c00000000039d98c do_vfs_ioctl+0xdc/0x890 >> [c00000037f003da0] c00000000039e1a8 ksys_ioctl+0x68/0xf0 >> [c00000037f003df0] c00000000039e270 sys_ioctl+0x40/0xa0 >> [c00000037f003e30] c00000000000b320 system_call+0x58/0x6c >> --- Exception: c01 (System Call) at 0000000010053bb0 > ^^^ > This tells patch/git-am to drop the rest of the change log, which is not > what we want. > > I tend to indent stack traces etc with two spaces, which avoids the > problem. Or in this case we can just drop the line as it's not really > that informative. > > I've fixed it up. > > cheers > Sorry for missing that and thanks for fixing it in the patch. -- Vaibhav Jain <vaibhav@xxxxxxxxxxxxxxxxxx> Linux Technology Center, IBM India Pvt. Ltd.
