On Fri, Jan 18, 2019 at 10:21 PM Jeff Chua <jeff.chua.li...@gmail.com> wrote: > > On Fri, Jan 18, 2019 at 4:56 PM Chao Yu <yuch...@huawei.com> wrote: > > > > On 2019/1/18 10:10, Ritesh Harjani wrote: > > > > > > On 1/17/2019 5:04 PM, Jeff Chua wrote: > > >> On Thu, Jan 17, 2019 at 7:33 PM Jeff Chua <jeff.chua.li...@gmail.com> > > >> wrote: > > >>> On Thu, Jan 17, 2019 at 10:00 AM Chao Yu <yuch...@huawei.com> wrote: > > >>>> On 2019/1/16 20:57, Jeff Chua wrote: > > >>>>> This is on rpi3b+ running latest linux git pull, and root filesystem > > >>>>> is "read-only" ... > > >>>> Did you hit this issue after you upgrade kernel from lower one to 5.0? > > >>> No, it was ok. Works perfectly. > > >>> > > >>>> Why there are dirty data/node in readonly filesystem? > > >>> No idea. It's fresh boot up. > > >>> > > >>>> Could you try below commands to make sure where it actually crash? > > >>>> gdb f2fs.ko > > >>>> l *(f2fs_balance_fs_bg+0x26c/0x2a8) > > >>>> l *(f2fs_build_free_nids+0x394/0x510) > > >>> Ok, that will take a while. I'll need to revert back to pre-5.0 and > > >>> install gdb first and try to debug it. > > >> Oh, btw, there's no "f2fs.ko" ... f2fs is compiled as built-in instead > > >> of a module. > > > > > > you could also try using below script in kernel dir. > > > > > > ./scripts/faddr2line <vmlinux path> f2fs_balance_fs_bg+0x26c > > > > > > ./scripts/faddr2line <vmlinux path> f2fs_build_free_nids+0x394 > > > > That's correct, thanks for your help. ;) > > > PC is at f2fs_balance_fs_bg+0x26c/0x2a8 > LR is at f2fs_build_free_nids+0x394/0x510 > ./scripts/faddr2line vmlinux f2fs_balance_fs_bg+0x26c/0x2a8 > f2fs_balance_fs_bg+0x26c/0x2a8: > f2fs_balance_fs_bg at ??:? > ./scripts/faddr2line vmlinux f2fs_build_free_nids+0x394/0x510 > f2fs_build_free_nids+0x394/0x510: > f2fs_build_free_nids at ??:? > > Looks like I'm missing something. My rpi3 kernel is loaded zImage .. > # scripts/mkknlimg harch/arm/boot/zImage kernel7.img > > Or need to recompile kernel with debug symbols?
recompiled with CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y CONFIG_KALLSYMS_BASE_RELATIVE=y faddr2line still not showing any thing ... -- My best., Jeff _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
