Re: [PATCH] sh: Move IRQ multi definition of DMAC to defconfig

[Adrian McMenamin <adrian@newgolddream.dyndns.info>]

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On Mon, 2009-03-16 at 22:58 +0000, Adrian McMenamin wrote:
> On Mon, 2009-03-16 at 22:49 +0000, Adrian McMenamin wrote:
> 
> > 
> > Have just tested the current kernel in your (Paul's) git repo and
> > although it doesn't (seem) to be suffering from the DMA issue now, it is
> > still not booting - oom problems killing init:
> > 
> 
> ....
> 
> 
> > �Starting the hotplug events dispatcher: udevd.
> > Synthesizing the initial hotplug events...udevd-event[954]: rename_netif: error changing netif name eth0 to eth1: Device or resource busy
> > done.
> > [   29.005585] udevd invoked oom-killer: gfp_mask=0x1201d2, order=0, oomkilladj=-17
> > [   29.013003] Stack: (0x8cd51ce4 to 0x8cd52000)
> > [   29.017975] 1ce0:          8c0071ae 8cd51cf4 00000000 001201d2 8c053606 8cd51cfc 00000041 
> > [   29.026904] 1d00: 8cd7c360 8c053c00 8cd51d2c 000000bc 8cd7c360 00000041 00000124 8c2e4198 
> 
> 
> On the next three reboots the box cleanly booted twice and then failed a
> third time - slightly differently - will now test with DMA off
> 
> 
> 
OK, I turned DMA off (as best I could - /arch/sh/drivers/dma/Makefile
seems to want to force you to compile in dam stuff - but I hacked that)
- but it now crashes in a completely new way - but again in a way that
suggests memory problems 

[    0.000000] Boot params:
[    0.000000] ... MOUNT_ROOT_RDONLY - 91f0c75f
[    0.000000] ... RAMDISK_FLAGS     - e1ff3018
[    0.000000] ... ORIG_ROOT_DEV     - 89093610
[    0.000000] ... LOADER_TYPE       - 3612e108
[    0.000000] ... INITRD_START      - 46088904
[    0.000000] ... INITRD_SIZE       - 6002306c
[    0.000000] console [sercon0] enabled
[    0.000000] Booting machvec: Sega Dreamcast
[    0.000000] Node 0: start_pfn = 0xc000, low = 0xd000
[    0.000000] Zone PFN ranges:
[    0.000000]   Normal   0x0000c000 -> 0x0000d000
[    0.000000] Movable zone start PFN for each node
[    0.000000] early_node_map[1] active PFN ranges
[    0.000000]     0: 0x0000c000 -> 0x0000d000
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 4064
[    0.000000] Kernel command line: root=/dev/nfs rw nfsroot\x192.168.61.50:/home/adrian/debdist ip=dhcp earlyprintk=serial video=pvr2fb:640x480-32@60 console=ttySC1 panic=7
[    0.000000] PID hash table entries: 64 (order: 6, 256 bytes)
[    0.000000] Using tmu for system timer
[    0.004326] Console: colour dummy device 80x25
[    0.009299] Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.016830] Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.026984] Memory: 12508k/16384k available (2390k kernel code, 607k data, 108k init)
[    0.035609] PVR\x040205c1 CVR\0000000 PRR\0000000
[    0.040852] I-cache : n_ways=1 n_sets%6 way_incr92
[    0.046579] I-cache : entry_mask=0x00001fe0 alias_mask=0x00001000 n_aliases=2
[    0.054404] D-cache : n_ways=1 n_setsQ2 way_incr\x16384
[    0.060229] D-cache : entry_mask=0x00003fe0 alias_mask=0x00003000 n_aliases=4
[    0.068536] SLUB: Genslabs\x10, HWalign2, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.077088] Calibrating delay loop (skipped)... 199.50 BogoMIPS PRESET (lpj99012)
[    0.086992] Mount-cache hash table entries: 512
[    0.096940] CPU: SH7750
[    0.129166] net_namespace: 296 bytes
[    0.134918] NET: Registered protocol family 16
[    0.263884] bio: create slab <bio-0> at 0
[    0.286889] Autoconfig PCI channel 0x8c2ea918
[    0.292211] Scanning bus 00, I/O 0x01001600:0x01003600, Mem 0x01840000:0x01848000
[    0.300468] 00:00.0 Class 0200: 11db:1234 (rev 10)
[    0.305682]         I/O at 0x01001600 [size=0x100]
[    0.310929]         Mem at 0x01840000 [size=0x100]
[    0.319876] PCI: Fixing up device 0000:00:00.0
[    0.375813]  maple: bus core now registered
[    0.381354] NET: Registered protocol family 2
[    0.386779] IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.396313] TCP established hash table entries: 512 (order: 0, 4096 bytes)
[    0.403956] TCP bind hash table entries: 512 (order: -1, 2048 bytes)
[    0.411047] TCP: Hash tables configured (established 512 bind 512)
[    0.417829] TCP reno registered
[    0.422736] NET: Registered protocol family 1
[    0.430522] maple : detected Dreamcast Controller: function 0x1: at (0, 0)
[    0.438185] maple : no driver found
[    0.446510] maple : detected Dreamcast Controller: function 0x1: at (1, 0)
[    0.454348] maple : no driver found
[    0.460931] maple : detected Keyboard: function 0x40: at (2, 0)
[    0.467509] maple : no driver found
[    0.474076] maple : detected Dreamcast Mouse: function 0x200: at (3, 0)
[    0.481827] maple : no driver found
[    0.490909] maple : detected Visual Memory: function 0xE: at (1, 1)
[    0.497908] maple : no driver found
[    0.503078] sq: Registering store queue API.
[    0.517703] cpufreq: SuperH CPU frequency driver.
[    0.522958] cpufreq: clock framework rate rounding not supported on this CPU.
[    0.544895] HugeTLB registered 64 KB page size, pre-allocated 0 pages
[    0.845600] msgmni has been set to 24
[    0.859146] alg: No test for stdrng (krng)
[    0.864236] io scheduler noop registered
[    0.868988] io scheduler anticipatory registered (default)
[    2.902451] SuperH SCI(F) driver initialized
[    2.907682] sh-sci: ttySC0 at MMIO 0xffe00000 (irq = 23) is a sci
[    2.918743] sh-sci: ttySC1 at MMIO 0xffe80000 (irq = 40) is a scif
�+dH�Ȑ2.925660] console handover: boot [sercon0] -> real [ttySC1]
[    2.993680] loop: module loaded
[    3.004701] nbd: registered device at major 43
[    3.134448] 8139too Fast Ethernet driver 0.9.28
[    3.145329] eth0: RealTek RTL8139 at 0xa1001700, 00:d0:f1:03:12:b9, IRQ 83
[    3.718835] GDROM: CD-ROM DRIVE     from SE               with firmware 6.42            
[    3.727399] GDROM: Registered with major number 254
[    3.732696] Uniform CD-ROM driver Revision: 3.20
[    4.753200] mice: PS/2 mouse device common for all mice
[    4.760872] Dreamcast_visual_memory 1:01.E: VMU device at partition 0 has 200 user blocks with a root block at 255
[    4.784481] input: Keyboard as /devices/maple/2:00.40/input/input0
[    4.795256] TCP cubic registered
[    4.799053] NET: Registered protocol family 17
[    4.817682] RPC: Registered udp transport module.
[    4.823172] RPC: Registered tcp transport module.
[    5.345025] eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
[    6.352286] Sending DHCP requests ., OK
[    6.364773] IP-Config: Got DHCP answer from 192.168.61.50, my address is 192.168.61.55
[    6.377423] IP-Config: Complete:
[    6.380650]      device=eth0, addr\x192.168.61.55, mask%5.255.255.224, gw\x192.168.61.50,
[    6.389332]      host\x192.168.61.55, domain=, nis-domain=(none),
[    6.395678]      bootserver\x192.168.61.50, rootserver\x192.168.61.50, rootpath[    6.404475] Looking up port of RPC 100003/2 on 192.168.61.50
[    6.414793] Looking up port of RPC 100005/1 on 192.168.61.50
[    6.447306] VFS: Mounted root (nfs filesystem) on device 0:13.
[    6.454855] Freeing unused kernel memory: 108k freed
INIT: �version 2.86 booting�
�Starting the hotplug events dispatcher: udevd.
Synthesizing the initial hotplug events...udevd-event[932]: rename_netif: error changing netif name eth0 to eth1: Device or resource busy
done.
Waiting for /dev to be fully populated...[   26.353391] Dreamcast_visual_memory 1:01.E: VMU read on (1, 1) timed out on block 0x1
[   26.361411] end_request: I/O error, dev mtdblock0, sector 0
[   26.367235] Buffer I/O error on device mtdblock0, logical block 0
[   29.381520] Dreamcast_visual_memory 1:01.E: VMU read on (1, 1) timed out on block 0x8
[   29.389614] end_request: I/O error, dev mtdblock0, sector 8
[   29.395438] Buffer I/O error on device mtdblock0, logical block 1
[   47.555193] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[   47.563389] pc = 8c14af02
[   47.566758] *pde = 00000000
[   47.569740] Oops: 0000 [#1]
[   47.572653] Modules linked in:
[   47.575847] 
[   47.577414] Pid : 1071, Comm:                udevsettle
[   47.581689] CPU : 0                  Not tainted  (2.6.29-rc7-00226-g988f831-dirty #8)
[   47.581727] 
[   47.590781] PC is at find_next_zero_bit+0x82/0x100
[   47.595796] PR is at alloc_fd+0x6a/0x160
[   47.599889] PC  : 8c14af02 SP  : 8c5fff50 SR  : 40008000 TEA : 00000000
[   47.606791] R0  : 00000003 R1  : fffffffb R2  : 02000000 R3  : 00000000
[   47.613677] R4  : 00000000 R5  : ffffffe3 R6  : 00000000 R7  : 02000000
[   47.620576] R8  : ffffffe0 R9  : 8c4660e0 R10 : 8c86c2a0 R11 : 00000000
[   47.627461] R12 : 00000000 R13 : 8c0a2b20 R14 : 8c5fff50
[   47.633010] MACH: 00003333 MACL: 000030c0 GBR : 29708440 PR  : 8c0a2e0a
[   47.639886] 
[   47.639902] Call trace:
[   47.644023] [<8c086d90>] do_sys_open+0x30/0x120
[   47.648772] [<8c086eb4>] sys_open+0x14/0x20
[   47.653159] [<8c086ea0>] sys_open+0x0/0x20
[   47.657452] [<8c00823a>] syscall_call+0xc/0x10
[   47.662099] 
[   47.663659] Code:
[   47.665676]   8c14aefc:  nop       
[   47.669371]   8c14aefe:  nop       
[   47.673055]   8c14af00:  add       #-32, r5
[   47.677485] ->8c14af02:  mov.l     @r3, r0
[   47.681841]   8c14af04:  mov       #-1, r1
[   47.686192]   8c14af06:  shld      r5, r1
[   47.690473]   8c14af08:  or        r1, r0
[   47.694742]   8c14af0a:  mov       #31, r1
[   47.699095]   8c14af0c:  cmp/hi    r1, r7
[   47.703344] 
[   47.704916] Process: udevsettle (pid: 1071, stack limit = 8c5fe001)
[   47.711440] Stack: (0x8c5fff50 to 0x8c600000)
[   47.715975] ff40:                                     8c5fff58 00000003 00008000 8c086d90 
[   47.724685] ff60: 8c5fff7c fffff000 00000000 ffffff9c 00008000 8cfac100 8cfac100 8c086eb4 
[   47.733418] ff80: 8c5fff9c 000000b4 29698acc 00000000 00000071 0000007f 8c086ea0 8c00823a 
[   47.742147] ffa0: 7bd30878 fffffbc0 00008000 7bd308f1 00000005 7bd308d8 00008000 00000000 
[   47.750876] ffc0: 00000210 00000000 00000000 7bd308d8 00000c50 29698acc 000000b4 7bd30878 
[   47.759605] ffe0: 7bd30878 2962cfd2 004014b0 00000001 29708440 00003333 02faf080 0000004c 
[   47.766146] ---[ end trace 1cae2f7ca6c16c25 ]---
[   47.771633] note: udevsettle[1071] exited with preempt_count 1
[   47.778977] BUG: scheduling while atomic: udevsettle/1071/0x10000002
[   47.785111] Modules linked in:
[   47.788325] Stack: (0x8c5ffc8c to 0x8c600000)
[   47.793968] fc80:                            8c0071ae 8c5ffc9c 8c0137a0 00000000 8c013ac6 
[   47.804608] fca0: 8c5ffca4 8c251046 8c5ffcb0 10000000 8c056826 8c3d2f50 8c3d2f4c 8c3d2ed4 
[   47.812894] fcc0: 8c3afd60 8c3d2ed8 8c0568ec 8c013b1e 8c5ffcec ffffffe1 2956a000 8c013840 
[   47.821214] fce0: 8c250c20 8c0137a0 10000000 8c25191a 8c5ffd04 00000000 29559000 8c69a560 
[   47.830725] fd00: 8c0868c0 8c06c8ec 8c5ffd0c ffffffff 00000000 8c624980 8c5ffd78 00000001 
[   47.839043] fd20: 00000000 8c961294 8c961294 8c4135a0 8c30b194 00000000 ffffffff 0c8ea158 
[   47.848490] fd40: 29569fff 2956a000 00000000 8c06fe58 8c5ffd74 8c4135e0 8c5ffd3c 8c624880 
[   47.857392] fd60: 8c4135a0 8c624880 8c4135a0 8c5ffd74 00000000 00000022 8c30b194 8c01760e 
[   47.865733] fd80: 8c5ffd9c 8c5fff34 8c1548e0 00000000 8c4135a0 8c4135e0 8c4135a0 8c01c430 
[   47.875219] fda0: 8c5ffdac 8c3d2d80 00000000 8c4135d4 8c3d2dfc 0000000b 00000001 8c01e224 
[   47.883502] fdc0: 8c5ffddc 8c5fff34 8c1548e0 00000000 8c3d2d80 0000000b 8c3d2fbc 00000080 
[   47.892984] fde0: 0000001f 0000002f 00000000 8c01b29e 8c5ffe0c 8c5fff34 8c3d2dfc 00000001 
[   47.901265] fe00: 8c2901e4 8c5ffef4 8c01b280 8c00736c 8c5ffe2c 8c5fff34 8c1548e0 00000000 
[   47.910801] fe20: 8c2901e4 8c5ffef4 8c01b280 8c011020 8c5ffe48 8c5ffef4 8c3d2d80 8c01b280 
[   47.919687] fe40: 00000000 00000000 00001040 000030c0 00000000 8c5ffe70 8c083426 8c084592 
[   47.927985] fe60: 8c5ffe70 00000401 8c0843c0 8c5ffe70 8cc02c00 8c086308 8c5ffe98 8c5fff24 
[   47.937464] fe80: 8c0973ca 8cc02c00 8cfac100 00000000 8c3c4500 00000401 8c0973ca 8c5ffeb4 
[   47.945808] fea0: ffffff9c 00000001 00000071 fffffffe 8cfac100 8c5ffeb8 8cfac100 8c3c4500 
[   47.955295] fec0: 8c082c88 8c5ffeec 8c082ae0 00000000 8cc02c40 8c0080e4 8c5fff50 8c0a2b20 
[   47.964163] fee0: 00000000 00000000 8c0080e4 00000000 00000000 00000003 fffffffb 02000000 
[   47.972472] ff00: 00000000 00000000 ffffffe3 00000000 02000000 ffffffe0 8c4660e0 8c86c2a0 
[   47.981919] ff20: 00000000 00000000 8c0a2b20 8c5fff50 8c5fff50 8c14af02 8c0a2e0a 40008000 
[   47.990294] ff40: 29708440 00003333 000030c0 ffffffff 8c5fff58 00000003 00008000 8c086d90 
[   47.999746] ff60: 8c5fff7c fffff000 00000000 ffffff9c 00008000 8cfac100 8cfac100 8c086eb4 
[   48.008646] ff80: 8c5fff9c 000000b4 29698acc 00000000 00000071 0000007f 8c086ea0 8c00823a 
[   48.016924] ffa0: 7bd30878 fffffbc0 00008000 7bd308f1 00000005 7bd308d8 00008000 00000000 
[   48.026466] ffc0: 00000210 00000000 00000000 7bd308d8 00000c50 29698acc 000000b4 7bd30878 
[   48.035326] ffe0: 7bd30878 2962cfd2 004014b0 00000001 29708440 00003333 02faf080 0000004c 
[   48.043633] 
[   48.043650] Call trace:
[   48.048408] [<8c0071ae>] dump_stack+0xe/0x20
[   48.052963] [<8c0137a0>] sub_preempt_count+0x0/0xa0
[   48.058145] [<8c013ac6>] __schedule_bug+0x46/0x80
[   48.063137] [<8c251046>] __sched_text_start+0x426/0x580
[   48.068085] [<8c056826>] free_hot_cold_page+0x2c6/0x300
[   48.073642] [<8c0568ec>] free_hot_page+0xc/0x20
[   48.079034] [<8c013b1e>] __cond_resched+0x1e/0x60
[   48.084023] [<8c013840>] add_preempt_count+0x0/0xc0
[   48.089215] [<8c250c20>] __sched_text_start+0x0/0x580
[   48.093976] [<8c0137a0>] sub_preempt_count+0x0/0xa0
[   48.099145] [<8c25191a>] _cond_resched+0x3a/0x60
[   48.104667] [<8c0868c0>] quicklist_trim+0x0/0x1a0
[   48.110243] [<8c06c8ec>] unmap_vmas+0x60c/0x6a0
[   48.114489] [<8c06fe58>] exit_mmap+0x98/0x200
[   48.118550] [<8c01760e>] mmput+0x6e/0x140
[   48.122842] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   48.127740] [<8c01c430>] exit_mm+0x150/0x240
[   48.132868] [<8c01e224>] do_exit+0xe4/0xa20
[   48.137338] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   48.142251] [<8c01b29e>] printk+0x1e/0x40
[   48.146527] [<8c01b280>] printk+0x0/0x40
[   48.150115] [<8c00736c>] die+0x16c/0x1e0
[   48.154316] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   48.159808] [<8c01b280>] printk+0x0/0x40
[   48.164567] [<8c011020>] do_page_fault+0x260/0x400
[   48.169067] [<8c01b280>] printk+0x0/0x40
[   48.172695] [<8c083426>] set_track+0x26/0xa0
[   48.177236] [<8c084592>] __slab_free+0x232/0x380
[   48.182140] [<8c0843c0>] __slab_free+0x60/0x380
[   48.187567] [<8c086308>] kmem_cache_free+0x68/0xe0
[   48.192674] [<8c0973ca>] user_path_at+0x4a/0xa0
[   48.197484] [<8c0973ca>] user_path_at+0x4a/0xa0
[   48.201722] [<8c082c88>] check_object+0xa8/0x280
[   48.207237] [<8c082ae0>] check_bytes_and_report+0x0/0x100
[   48.212950] [<8c0080e4>] ret_from_exception+0x0/0x8
[   48.217538] [<8c0a2b20>] expand_files+0x0/0x280
[   48.222962] [<8c0080e4>] ret_from_exception+0x0/0x8
[   48.228156] [<8c0a2b20>] expand_files+0x0/0x280
[   48.232384] [<8c14af02>] find_next_zero_bit+0x82/0x100
[   48.238437] [<8c0a2e0a>] alloc_fd+0x6a/0x160
[   48.242992] [<8c086d90>] do_sys_open+0x30/0x120
[   48.247813] [<8c086eb4>] sys_open+0x14/0x20
[   48.251684] [<8c086ea0>] sys_open+0x0/0x20
[   48.256655] [<8c00823a>] syscall_call+0xc/0x10
[   48.260789] 
[   48.266400] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[   48.274488] pc = 8c01c73a
[   48.277226] *pde = 00000000
[   48.280796] Oops: 0000 [#2]
[   48.283711] Modules linked in:
[   48.286906] 
[   48.288473] Pid : 1071, Comm:                udevsettle
[   48.292751] CPU : 0                  Tainted: G      D     (2.6.29-rc7-00226-g988f831-dirty #8)
[   48.292785] 
[   48.302639] PC is at put_files_struct+0x5a/0x140
[   48.307463] PR is at exit_files+0x34/0x60
[   48.311647] PC  : 8c01c73a SP  : 8c5ffda8 SR  : 40008000 TEA : 00000000
[   48.318550] R0  : 00000000 R1  : 00000000 R2  : 02000000 R3  : ffffff0f
[   48.325438] R4  : 8c4660e0 R5  : 00000000 R6  : 8c3b4118 R7  : 00000624
[   48.332326] R8  : 8c3d2fbc R9  : 00000000 R10 : 00000000 R11 : 8c86c2a0
[   48.339213] R12 : 8c4660e0 R13 : 8c5fff34 R14 : 8c5ffda8
[   48.344748] MACH: 00000000 MACL: 00000058 GBR : 29708440 PR  : 8c01c854
[   48.351624] 
[   48.351641] Call trace:
[   48.355747] [<8c01c854>] exit_files+0x34/0x60
[   48.360310] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   48.365143] [<8c01e236>] do_exit+0xf6/0xa20
[   48.369544] [<8c01b29e>] printk+0x1e/0x40
[   48.373756] [<8c01b280>] printk+0x0/0x40
[   48.377866] [<8c00736c>] die+0x16c/0x1e0
[   48.381977] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   48.386818] [<8c01b280>] printk+0x0/0x40
[   48.390925] [<8c011020>] do_page_fault+0x260/0x400
[   48.395944] [<8c01b280>] printk+0x0/0x40
[   48.400069] [<8c083426>] set_track+0x26/0xa0
[   48.404544] [<8c084592>] __slab_free+0x232/0x380
[   48.409381] [<8c0843c0>] __slab_free+0x60/0x380
[   48.414131] [<8c086308>] kmem_cache_free+0x68/0xe0
[   48.419143] [<8c0973ca>] user_path_at+0x4a/0xa0
[   48.423887] [<8c0973ca>] user_path_at+0x4a/0xa0
[   48.428646] [<8c082c88>] check_object+0xa8/0x280
[   48.433485] [<8c082ae0>] check_bytes_and_report+0x0/0x100
[   48.439132] [<8c0080e4>] ret_from_exception+0x0/0x8
[   48.444242] [<8c0a2b20>] expand_files+0x0/0x280
[   48.448988] [<8c0080e4>] ret_from_exception+0x0/0x8
[   48.454116] [<8c0a2b20>] expand_files+0x0/0x280
[   48.458866] [<8c14af02>] find_next_zero_bit+0x82/0x100
[   48.464241] [<8c0a2e0a>] alloc_fd+0x6a/0x160
[   48.468729] [<8c086d90>] do_sys_open+0x30/0x120
[   48.473496] [<8c086eb4>] sys_open+0x14/0x20
[   48.477902] [<8c086ea0>] sys_open+0x0/0x20
[   48.482203] [<8c00823a>] syscall_call+0xc/0x10
[   48.486862] 
[   48.488423] Code:
[   48.490441]   8c01c734:  mov.l     @(12,r11), r1
[   48.495352]   8c01c736:  mov       r10, r0
[   48.499711]   8c01c738:  shll2     r0
[   48.503610] ->8c01c73a:  mov.l     @(r0,r1), r8
[   48.508423]   8c01c73c:  tst       r8, r8
[   48.512714]   8c01c73e:  bf        8c01c780
[   48.517122]   8c01c740:  add       #1, r10
[   48.521468]   8c01c742:  add       #32, r9
[   48.525814]   8c01c744:  cmp/hs    r2, r9
[   48.530074] 
[   48.531648] Process: udevsettle (pid: 1071, stack limit = 8c5fe001)
[   48.538173] Stack: (0x8c5ffda8 to 0x8c600000)
[   48.542710] fda0:                   00000000 8c01c854 8c5ffdcc 8c5fff34 8c1548e0 00000000 
[   48.551440] fdc0: 8c3d2d80 8c4660e0 8c3d2fbc 8c01e236 8c5ffddc 0000000b 8c3d2fbc 00000080 
[   48.560185] fde0: 0000001f 0000002f 00000000 8c01b29e 8c5ffe0c 8c5fff34 8c3d2dfc 00000001 
[   48.568925] fe00: 8c2901e4 8c5ffef4 8c01b280 8c00736c 8c5ffe2c 8c5fff34 8c1548e0 00000000 
[   48.577666] fe20: 8c2901e4 8c5ffef4 8c01b280 8c011020 8c5ffe48 8c5ffef4 8c3d2d80 8c01b280 
[   48.586410] fe40: 00000000 00000000 00001040 000030c0 00000000 8c5ffe70 8c083426 8c084592 
[   48.595148] fe60: 8c5ffe70 00000401 8c0843c0 8c5ffe70 8cc02c00 8c086308 8c5ffe98 8c5fff24 
[   48.603893] fe80: 8c0973ca 8cc02c00 8cfac100 00000000 8c3c4500 00000401 8c0973ca 8c5ffeb4 
[   48.612636] fea0: ffffff9c 00000001 00000071 fffffffe 8cfac100 8c5ffeb8 8cfac100 8c3c4500 
[   48.621381] fec0: 8c082c88 8c5ffeec 8c082ae0 00000000 8cc02c40 8c0080e4 8c5fff50 8c0a2b20 
[   48.630128] fee0: 00000000 00000000 8c0080e4 00000000 00000000 00000003 fffffffb 02000000 
[   48.638865] ff00: 00000000 00000000 ffffffe3 00000000 02000000 ffffffe0 8c4660e0 8c86c2a0 
[   48.647603] ff20: 00000000 00000000 8c0a2b20 8c5fff50 8c5fff50 8c14af02 8c0a2e0a 40008000 
[   48.656343] ff40: 29708440 00003333 000030c0 ffffffff 8c5fff58 00000003 00008000 8c086d90 
[   48.665086] ff60: 8c5fff7c fffff000 00000000 ffffff9c 00008000 8cfac100 8cfac100 8c086eb4 
[   48.673829] ff80: 8c5fff9c 000000b4 29698acc 00000000 00000071 0000007f 8c086ea0 8c00823a 
[   48.682569] ffa0: 7bd30878 fffffbc0 00008000 7bd308f1 00000005 7bd308d8 00008000 00000000 
[   48.691311] ffc0: 00000210 00000000 00000000 7bd308d8 00000c50 29698acc 000000b4 7bd30878 
[   48.700050] ffe0: 7bd30878 2962cfd2 004014b0 00008001 29708440 00003333 02faf080 0000004c 
[   48.706608] ---[ end trace 1cae2f7ca6c16c26 ]---
[   48.710886] Fixing recursive fault but reboot is needed!
[   48.717083] BUG: scheduling while atomic: udevsettle/1071/0x00000002
[   48.723188] Modules linked in:
[   48.727461] Stack: (0x8c5ffbd4 to 0x8c600000)
[   48.732659] fbc0:                                              8c0071ae 8c5ffbe4 0000000b 
[   48.742728] fbe0: 00000000 8c013ac6 8c5ffbec 8c251046 8c5ffbf8 8c01b280 00000000 8c3d2f50 
[   48.750409] fc00: 8c3d2f4c 8c3d2ed4 8c1548e0 8c3d2ed8 8c3d2d80 8c01e8e2 8c5ffc34 8c5ffd8c 
[   48.760494] fc20: 8c1548e0 00000000 8c3d2d80 0000000b 8c01b280 00000080 0000001f 00000030 
[   48.770562] fc40: 00000000 8c01b29e 8c5ffc64 8c5ffd8c 8c1548e0 00000000 8c2901e4 8c5ffd4c 
[   48.778312] fc60: 8c01b280 8c00736c 8c5ffc84 8c5ffd8c 8c1548e0 00000000 8c2901e4 8c5ffd4c 
[   48.787205] fc80: 8c01b280 8c011020 8c5ffca0 8c5ffd4c 8c3d2d80 8c01b280 00000000 00000000 
[   48.796661] fca0: 8c020f46 8c5ffcc0 00000000 8c06fd62 8cc02a00 00000000 8c316cc4 000000f0 
[   48.805558] fcc0: 8c021418 8c02141c 8c5ffccc 8c00389e 8c5ffcd8 00000010 8c0080ec 8c5ffd44 
[   48.814482] fce0: 8c624800 8c003860 400080f1 00000000 00000000 40008001 00000003 00000001 
[   48.823376] fd00: 8c2ee404 8c3b4118 00000624 8c3b1480 00000000 8c624800 8cc02a00 8c06fd62 
[   48.831643] fd20: 8c4135e0 8c5ffd44 8c5ffd48 8c0080e4 8c5ffda8 8c5fff34 8c4660e0 8c86c2a0 
[   48.841136] fd40: 8c0080e4 00000000 00000000 00000000 00000000 02000000 ffffff0f 8c4660e0 
[   48.849397] fd60: 00000000 8c3b4118 00000624 8c3d2fbc 00000000 00000000 8c86c2a0 8c4660e0 
[   48.858944] fd80: 8c5fff34 8c5ffda8 8c5ffda8 8c01c73a 8c01c854 40008000 29708440 00000000 
[   48.867806] fda0: 00000058 ffffffff 00000000 8c01c854 8c5ffdcc 8c5fff34 8c1548e0 00000000 
[   48.876104] fdc0: 8c3d2d80 8c4660e0 8c3d2fbc 8c01e236 8c5ffddc 0000000b 8c3d2fbc 00000080 
[   48.885560] fde0: 0000001f 0000002f 00000000 8c01b29e 8c5ffe0c 8c5fff34 8c3d2dfc 00000001 
[   48.894506] fe00: 8c2901e4 8c5ffef4 8c01b280 8c00736c 8c5ffe2c 8c5fff34 8c1548e0 00000000 
[   48.903384] fe20: 8c2901e4 8c5ffef4 8c01b280 8c011020 8c5ffe48 8c5ffef4 8c3d2d80 8c01b280 
[   48.911672] fe40: 00000000 00000000 00001040 000030c0 00000000 8c5ffe70 8c083426 8c084592 
[   48.921163] fe60: 8c5ffe70 00000401 8c0843c0 8c5ffe70 8cc02c00 8c086308 8c5ffe98 8c5fff24 
[   48.929429] fe80: 8c0973ca 8cc02c00 8cfac100 00000000 8c3c4500 00000401 8c0973ca 8c5ffeb4 
[   48.938983] fea0: ffffff9c 00000001 00000071 fffffffe 8cfac100 8c5ffeb8 8cfac100 8c3c4500 
[   48.947850] fec0: 8c082c88 8c5ffeec 8c082ae0 00000000 8cc02c40 8c0080e4 8c5fff50 8c0a2b20 
[   48.956149] fee0: 00000000 00000000 8c0080e4 00000000 00000000 00000003 fffffffb 02000000 
[   48.965603] ff00: 00000000 00000000 ffffffe3 00000000 02000000 ffffffe0 8c4660e0 8c86c2a0 
[   48.974556] ff20: 00000000 00000000 8c0a2b20 8c5fff50 8c5fff50 8c14af02 8c0a2e0a 40008000 
[   48.982822] ff40: 29708440 00003333 000030c0 ffffffff 8c5fff58 00000003 00008000 8c086d90 
[   48.992319] ff60: 8c5fff7c fffff000 00000000 ffffff9c 00008000 8cfac100 8cfac100 8c086eb4 
[   49.000588] ff80: 8c5fff9c 000000b4 29698acc 00000000 00000071 0000007f 8c086ea0 8c00823a 
[   49.010092] ffa0: 7bd30878 fffffbc0 00008000 7bd308f1 00000005 7bd308d8 00008000 00000000 
[   49.018417] ffc0: 00000210 00000000 00000000 7bd308d8 00000c50 29698acc 000000b4 7bd30878 
[   49.027902] ffe0: 7bd30878 2962cfd2 004014b0 00008001 29708440 00003333 02faf080 0000004c 
[   49.036776] 
[   49.036794] Call trace:
[   49.040380] [<8c0071ae>] dump_stack+0xe/0x20
[   49.044919] [<8c013ac6>] __schedule_bug+0x46/0x80
[   49.050506] [<8c251046>] __sched_text_start+0x426/0x580
[   49.056061] [<8c01b280>] printk+0x0/0x40
[   49.060239] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   49.064535] [<8c01e8e2>] do_exit+0x7a2/0xa20
[   49.069665] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   49.074592] [<8c01b280>] printk+0x0/0x40
[   49.078176] [<8c01b29e>] printk+0x1e/0x40
[   49.082439] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   49.087963] [<8c01b280>] printk+0x0/0x40
[   49.092731] [<8c00736c>] die+0x16c/0x1e0
[   49.096317] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   49.100620] [<8c01b280>] printk+0x0/0x40
[   49.104815] [<8c011020>] do_page_fault+0x260/0x400
[   49.110508] [<8c01b280>] printk+0x0/0x40
[   49.114683] [<8c020f46>] do_softirq+0x86/0xa0
[   49.118715] [<8c06fd62>] remove_vma+0x42/0xa0
[   49.123368] [<8c021418>] irq_exit+0x58/0x80
[   49.128408] [<8c02141c>] irq_exit+0x5c/0x80
[   49.132847] [<8c00389e>] do_IRQ+0x3e/0x80
[   49.137127] [<8c0080ec>] ret_from_irq+0x0/0x10
[   49.141852] [<8c003860>] do_IRQ+0x0/0x80
[   49.145446] [<8c06fd62>] remove_vma+0x42/0xa0
[   49.150673] [<8c0080e4>] ret_from_exception+0x0/0x8
[   49.155870] [<8c0080e4>] ret_from_exception+0x0/0x8
[   49.160460] [<8c01c73a>] put_files_struct+0x5a/0x140
[   49.166308] [<8c01c854>] exit_files+0x34/0x60
[   49.170949] [<8c01c854>] exit_files+0x34/0x60
[   49.174988] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   49.180483] [<8c01e236>] do_exit+0xf6/0xa20
[   49.184943] [<8c01b29e>] printk+0x1e/0x40
[   49.188645] [<8c01b280>] printk+0x0/0x40
[   49.193415] [<8c00736c>] die+0x16c/0x1e0
[   49.197588] [<8c1548e0>] bust_spinlocks+0x0/0x60
[   49.201891] [<8c01b280>] printk+0x0/0x40
[   49.206086] [<8c011020>] do_page_fault+0x260/0x400
[   49.211767] [<8c01b280>] printk+0x0/0x40
[   49.216556] [<8c083426>] set_track+0x26/0xa0
[   49.220512] [<8c084592>] __slab_free+0x232/0x380
[   49.224829] [<8c0843c0>] __slab_free+0x60/0x380
[   49.229680] [<8c086308>] kmem_cache_free+0x68/0xe0
[   49.234755] [<8c0973ca>] user_path_at+0x4a/0xa0
[   49.240187] [<8c0973ca>] user_path_at+0x4a/0xa0
[   49.245010] [<8c082c88>] check_object+0xa8/0x280
[   49.249912] [<8c082ae0>] check_bytes_and_report+0x0/0x100
[   49.255647] [<8c0080e4>] ret_from_exception+0x0/0x8
[   49.260222] [<8c0a2b20>] expand_files+0x0/0x280
[   49.265631] [<8c0080e4>] ret_from_exception+0x0/0x8
[   49.270235] [<8c0a2b20>] expand_files+0x0/0x280
[   49.275662] [<8c14af02>] find_next_zero_bit+0x82/0x100
[   49.281100] [<8c0a2e0a>] alloc_fd+0x6a/0x160
[   49.285052] [<8c086d90>] do_sys_open+0x30/0x120
[   49.290498] [<8c086eb4>] sys_open+0x14/0x20
[   49.294955] [<8c086ea0>] sys_open+0x0/0x20
[   49.299310] [<8c00823a>] syscall_call+0xc/0x10
[   49.303442] 



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