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Subjectlinux-next: boot failures with next-20120411
Hi all,

Some (not all) of my PowerPC boot tests have failed like this after
getting into user mode (this one was just after udev started, but others
are after other processes getting going):

Unable to handle kernel paging request for data at address 0xc0000003f9d550
Faulting instruction address: 0xc0000000001b7f40
Oops: Kernel access of bad area, sig: 11 [#1]
Modules linked in: ehea
NIP: c0000000001b7f40 LR: c0000000001b7f14 CTR: c0000000000e04f0
REGS: c0000003f68bf6b0 TRAP: 0300 Not tainted (3.4.0-rc2-autokern1)
MSR: 800000000280b032 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI> CR: 24422424 XER: 20000001
CFAR: 000000000000562c
DAR: 00c0000003f9d550, DSISR: 40000000
TASK = c0000003f8818000[3192] 'kdump' THREAD: c0000003f68bc000 CPU: 5
GPR00: 0000000000000000 c0000003f68bf930 c000000000ce1d40 c0000003fe00ec00
GPR04: 00000000000002d0 0000000000000038 c0000003f8f935e8 c000000000e55280
GPR08: 0000000000000011 c000000000bcb280 c000000000bcb1e8 000000000028a000
GPR12: 0000000024422424 c00000000f33bc80 00000fffdd90a770 0000000000081000
GPR16: c0000003f846c000 000000000de4f7a0 f00000000de4f7a0 0000000000000000
GPR20: c0000003f8365408 c0000003f8365480 c0000003f8e5d110 0000000000000000
GPR24: 0000000000000100 c0000003f8365400 c0000000001e5424 00000000000002d0
GPR28: 0000000000000800 00c0000003f9d550 c000000000c5b718 c0000003fe00ec00
NIP [c0000000001b7f40] .__kmalloc+0x70/0x230
LR [c0000000001b7f14] .__kmalloc+0x44/0x230
Call Trace:
[c0000003f68bf930] [c0000003f68bf9b0] 0xc0000003f68bf9b0 (unreliable)
[c0000003f68bf9e0] [c0000000001e5424] .alloc_fdmem+0x24/0x70
[c0000003f68bfa60] [c0000000001e54f8] .alloc_fdtable+0x88/0x130
[c0000003f68bfaf0] [c0000000001e5924] .dup_fd+0x384/0x450
[c0000003f68bfbd0] [c00000000009a310] .copy_process+0x880/0x11d0
[c0000003f68bfcd0] [c00000000009aee0] .do_fork+0x70/0x400
[c0000003f68bfdc0] [c0000000000141c4] .sys_clone+0x54/0x70
[c0000003f68bfe30] [c000000000009aa0] .ppc_clone+0x8/0xc
Instruction dump:
4bff9281 2ba30010 7c7f1b78 40dd00f4 e96d0040 e93f0000 7ce95a14 e9070008
7fa9582a 2fbd0000 41de0054 e81f0022 <7f3d002a> 38000000 886d01f2 980d01f2
---[ end trace 366fe6c7ced3bfb0 ]---

This did not happen yesterday. Just wondering if anyone can think of
anything obvious. Full console log at

Stephen Rothwell
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