On Tue, Oct 26, 2021 at 09:33:19AM -0700, Guenter Roeck wrote: > > I can not explain it, but this patch causes a crash with one of my boot > tests (riscv32 with riscv32 virt machine and e1000 network adapter): > > [ 9.948557] e1000 0000:00:01.0: enabling device (0000 -> 0003) > [ 9.968578] Unable to handle kernel paging request at virtual address 9e000000 > [ 9.969207] Oops [#1] > [ 9.969325] Modules linked in: > [ 9.969619] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.0-rc6-next-20211025 #1 > [ 9.969983] Hardware name: riscv-virtio,qemu (DT) > [ 9.970262] epc : e1000_io_write+0x10/0x1c > [ 9.970487] ra : e1000_reset_hw+0xfa/0x312 > [ 9.970639] epc : c07b3a44 ra : c07b5e4a sp : c258dcf0 > [ 9.970792] gp : c1d6cfa0 tp : c25b0040 t0 : c1f05b3c > [ 9.970941] t1 : 04d6d7d4 t2 : 00001fff s0 : c258dd00 > [ 9.971091] s1 : c36a9990 a0 : c36a9990 a1 : 9e000000 > [ 9.971240] a2 : 00000000 a3 : 04000000 a4 : 00000002 > [ 9.971389] a5 : 9e000000 a6 : 00000000 a7 : 00006000 > [ 9.971539] s2 : c101b3ec s3 : c23aceb0 s4 : 04140240 > [ 9.971692] s5 : 00000000 s6 : c14a3550 s7 : c1d72000 > [ 9.971872] s8 : 00000000 s9 : c36a9000 s10: 00000000 > [ 9.972037] s11: 00000000 t3 : cb75ee6c t4 : 0000000c > [ 9.972200] t5 : 000021cb t6 : c1f017a0 > [ 9.972336] status: 00000120 badaddr: 9e000000 cause: 0000000f > [ 9.972570] [<c07b3a44>] e1000_io_write+0x10/0x1c > [ 9.973382] ---[ end trace 49388ec34793549e ]--- > [ 9.973873] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b > > Bisect log is attached. Reverting this patch fixes the problem. The problem > is always seen with this patch applied, and is never seen with this patch > reverted. > > Any idea what might be going on, and how to debug the problem ? Could you please send me the complete boot log, as well as the kernel config file please? Thanks, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
