Hi, Finally I could do a test with the patch applied. It seems that I hit the same BUG as the output looks the exact same as before.
I transcribed the entire dmesg trace just in case I missed something (attached). Hope it helps! Thanks, François. On Fri, 2014-01-24 at 16:24 +0100, François wrote: > On Sat, 2014-01-25 at 00:15 +0900, sf...@users.sourceforge.net wrote: > > > Right. Everytime I try something new, I apply all patches and copy the > > > directories to my kernel sources and recompile the entire kernel, just > > > to be sure. > > > > Hmm... > > Then it might be a brand new problem. > > Would you apply this patch and try reproducing? > > This patch doesn't fix any problem, but produces an error msg. > > I need to know where it happend (as a line number in source file). > > > Of course, already compiling! It will take some time but I'll post the > result as soon as I can (at most on monday). > > > > > > To be clear, the "aufs" module is not compiled standalone, but directly > > > within the kernel. > > > > ?? > > You compiled aufs as a module by > > CONFIG_AUFS_FS=m, right? > > Or the word "standalone" differs between us? > > Yes it was compiled as a module. What I meant was that I include the > aufs sources inside my kernel tree and recompile everything at once > (instead of compiling just the module). > > > > > > Sorry I missed that part. It's difficult because the issue happens in > > > initramfs when trying to load the root FS, so I have to transcribe > > > everything by hand... > > > > Thanks. > > I'm the one that should thank you for this project and your support! > > > Regards, > François. > > > ------------------------------------------------------------------------------ > CenturyLink Cloud: The Leader in Enterprise Cloud Services. > Learn Why More Businesses Are Choosing CenturyLink Cloud For > Critical Workloads, Development Environments & Everything In Between. > Get a Quote or Start a Free Trial Today. > http://pubads.g.doubleclick.net/gampad/clk?id=119420431&iu=/4140/ostg.clktrk
aufs 3.10.x-20140120 loop: AES key scrubbing enabled loop: loaded (max 8 devices) squashfs: versio n4.0 (2009/01/31) Phillip Lougher BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 IP: [<ffffffffa00d96bf>] au_test_loopback_overlap+0x34/0x59 [aufs] PGD 3664067 PUD 3682067 PMD 0 Oops: 0000 [#1] SMP Modules linked in: squashfs loop(0) aufs nls_utf8 isofs cmuuid(0) sg sr_mod cdrom ata_generic ata_piix floppy e1000 libata scsi_mod CPU: 0 PID: 295 Comm: exe Tainted: G 0 3.10.27 #1 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 task: ffff8800034d20c0 ti: ffff880003680000 task.ti: ffff88000368000 RPI: 0010:[<ffffffffa00d96bf>] [<ffffffffa00d96bf>] au_test_loopback_overlap+0x34/0x59 [aufs] RSP: 0018:ffff880003681c28 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8800034dc068 RCS: 0000000000000007 RDX: ffff88000362c400 RSI: ffff88000362c800 RDI: ffff88000362c400 RBP: ffff88000362c400 R08: ffff88000631aa40 R09: ffff88000631aa00 R10: ffff8800035d9ca0 R11: ffff8800035a30a0 R12: ffff880006324d38 R13: 0000000000000000 R14: ffff8800034dc000 R15: ffff88000631f0c0 FS: 00007fb1f6641700(0000) GS:ffff880006e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 0000000003514000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 000000000fff0ff0 DR7: 0000000000000400 Stack: 0000000000000000 ffffffffa00c2527 ffff8800034dc080 ffffffffa00c71a7 ffff880003681d01 ffff88000346dfc0 0000000000000282 ffffffffa00c6319 ffff880003681d78 0000000000000001 ffff88000362c400 ffff88000362c800 Call Trace: [<ffffffffa00c2527>] ? au_br_add+0x309/0x7ba [aufs] [<ffffffffa00c41a7>] ? vfsub_kern_path+0x29/0x2f [aufs] [<ffffffffa00c6319>] ? au_opts_parse+0x7bd/0x806 [aufs] [<ffffffffa00c4d64>] ? au_opt_br+0x47/0x95 [aufs] [<ffffffffa00c5254>] ? au_opts_mount+0x82/0x1d5 [aufs] [<ffffffffa00c0b68>] ? aufs_fill_super+0x1cc/0x264 [aufs] [<ffffffffa00c099c>] ? au_iget_locked+0x4e/0x4e [aufs] [<ffffffff81115c98>] ? mount_nodev+0x41/0x76 [<ffffffffa00bf926>] ? aufs_mount+0x13/0x8c [aufs] [<ffffffff81115ae8>] ? mount_fs+0x6c/0x149 [<ffffffff8112b436>] ? vsf_kern_mount+0x67/0xdd [<ffffffff8112bc54>] ? do_mount+0x77f/0x8dd [<ffffffff8112be3a>] ? SyS_mount+0x88/0xc3 [<ffffffff813ad469>] ? system_call_fastpath+0x16/0x1b Code: c0 48 89 fa 8b 4e 10 c1 e9 14 83 f9 07 75 3c 48 8b 86 20 01 00 00 48 8b 80 98 00 00 00 48 8b 80 58 03 00 00 48 8b 80 f0 00 00 00 <48> 8b 78 18 b8 01 00 00 00 48 39 57 68 74 11 48 8b 72 60 e8 10 RIP [<ffffffffa00d96bf>] au_test_loopback_overlap+0x34/0x59 [aufs] RSP <ffff880003681c28> CR2: 0000000000000018 ---[ end trace 146ba0eb9c81b103 ]---
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