jffs2, 2.6.28-git8 : Weird problem.
Jonathan Cameron
jic23 at cam.ac.uk
Tue Jan 6 15:11:00 EST 2009
Having applied a few board specific patches on top of
Linus' tree (around 2.6.28-git8)
run into the following.
Anyone have an ideas or seeing anything similar?
Works fine on 2.6.28 so git bisection underway, but
will take a while given speed of flashing this device
(intelmote 2)
WARNING: udev_root != /dev/
Creating initial device nodes...done.
Unable to handle kernel NULL pointer dereference at virtual address 00000150
pgd = c0004000
[00000150] *pgd=00000000
Internal error: Oops: 17 [#1] PREEMPT
Modules linked in:
CPU: 0 Not tainted (2.6.28_r1.0-06127-g238c6d5 #2)
PC is at set_dumpable+0x3c/0xc8
LR is at commit_creds+0x140/0x23c
pc : [<c0092450>] lr : [<c0051f90>] psr: 60000093
sp : c1083ed4 ip : c1083ee4 fp : c1083ee0
r10: 00000000 r9 : 00000000 r8 : c1d38400
r7 : c1c3f080 r6 : c02a72f8 r5 : c1c4faa0 r4 : 00000000
r3 : 60000093 r2 : 60000093 r1 : 00000000 r0 : 00000000
Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment user
Control: 0000397f Table: a1e1c000 DAC: 00000015
Process jffs2_gcd_mtd2 (pid: 787, stack limit = 0xc1082268)
Stack: (0xc1083ed4 to 0xc1084000)
3ec0: c1083f20 c1083ee4 c0051f90
3ee0: c0092420 00000100 00000000 fffffeff ffffffff ffffffff ffffffff 00000100
3f00: 00000000 c1082000 c02a0e38 00000000 00000000 c1083f40 c1083f24 c0039028
3f20: c0051e5c ffffffff ffffffff 00000000 00000000 c1083ff4 c1083f54 c0114ef0
3f40: c0038e10 c0278768 00000002 c0114ecc c1c724a0 00000000 00000000 00000000
3f60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3f80: 58000442 00000000 00000000 c1083fac c1083f9c c00319ac c002fec4 00000000
3fa0: 00000000 c1083fb0 c001df84 c0031998 00000000 c1d38400 c0114ecc c0039064
3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fe0: 00000000 00000000 00000000 c1083ff8 c0039064 c0114ed8 a0311021 a0311421
Backtrace:
[<c0092414>] (set_dumpable+0x0/0xc8) from [<c0051f90>] (commit_creds+0x140/0x23c)
[<c0051e50>] (commit_creds+0x0/0x23c) from [<c0039028>] (daemonize+0x228/0x264)
r7:00000000 r6:00000000 r5:c02a0e38 r4:c1082000
[<c0038e00>] (daemonize+0x0/0x264) from [<c0114ef0>] (jffs2_garbage_collect_thread+0x24/0x1e4)
r3:c1c724a0 r2:c0114ecc r1:00000002 r0:c0278768
r5:00000000 r4:00000000
[<c0114ecc>] (jffs2_garbage_collect_thread+0x0/0x1e4) from [<c0039064>] (do_exit+0x0/0x758)
r8:00000000 r7:00000000 r6:00000000 r5:00000000 r4:00000000
Code: e89da800 e10f2000 e3823080 e121f003 (e5903150)
---[ end trace 28404767015f24df ]---
note: jffs2_gcd_mtd2[787] exited with preempt_count 1
Thanks,
--
Jonathan Cameron
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