[Bug 606081] Re: [340700.513619] BUG: unable to handle kernel paging request at fffffffff0ea1e74

[Dave Gilbert]

I've got the same backtrace on (a slightly modified) 2.6.35-8

[ 2119.731044] BUG: unable to handle kernel paging request at ffffffffed4f9294
[ 2119.731049] IP: [<ffffffffa0134e50>] radeon_info_ioctl+0x20/0x150 [radeon]
[ 2119.731064] PGD 1a2c067 PUD 1a2d067 PMD 0 
[ 2119.731067] Oops: 0000 [#1] SMP 
[ 2119.731069] last sysfs file: /sys/devices/system/cpu/cpu7/cpufreq/scaling_cur_freq
[ 2119.731071] CPU 0 
[ 2119.731072] Modules linked in: snd_seq_dummy nls_iso8859_1 nls_cp437 vfat fat ip6table_filter ip6_tables binfmt_misc ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp kvm_intel kvm dm_crypt snd_hda_codec_atihdmi snd_hda_codec_via snd_hda_intel snd_hda_codec snd_hwdep snd_seq_midi snd_pcm snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc ppdev parport_pc lp parport vga16fb vgastate radeon ttm firewire_ohci usbhid firewire_core r8169 drm_kms_helper hid usb_storage crc_itu_t mii drm pata_via i2c_algo_bit configfs
[ 2119.731098] 
[ 2119.731100] Pid: 3703, comm: npviewer.bin Not tainted 2.6.35-8-generic #13daveg P55M Pro/To Be Filled By O.E.M.
[ 2119.731102] RIP: 0010:[<ffffffffa0134e50>]  [<ffffffffa0134e50>] radeon_info_ioctl+0x20/0x150 [radeon]
[ 2119.731112] RSP: 0018:ffff88017c099dd8  EFLAGS: 00010296
[ 2119.731113] RAX: ffff880228278000 RBX: ffffffffed4f9294 RCX: ffffffffa01d3811
[ 2119.731115] RDX: ffff88017c3e86c0 RSI: ffff88017c099e58 RDI: ffff880229193800
[ 2119.731116] RBP: ffff88017c099df8 R08: ffffffffa01de210 R09: ffffffffa0134e30
[ 2119.731118] R10: ffff88017c099e58 R11: 0000000000000001 R12: ffff880229193800
[ 2119.731119] R13: 0000000000000067 R14: 00000000c0106467 R15: 0000000000000000
[ 2119.731121] FS:  0000000000000000(0000) GS:ffff880001e00000(0063) knlGS:00000000f69b4760
[ 2119.731123] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[ 2119.731124] CR2: ffffffffed4f9294 CR3: 000000015e7ec000 CR4: 00000000000006f0
[ 2119.731126] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2119.731128] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 2119.731129] Process npviewer.bin (pid: 3703, threadinfo ffff88017c098000, task ffff880226e0db80)
[ 2119.731131] Stack:
[ 2119.731132]  ffff88017c099df8 ffffffff81100557 0000000000000e77 ffff88017c3e86c0
[ 2119.731134] <0> ffff88017c099f18 ffffffffa002335a 0000000100000067 000000000000e200
[ 2119.731137] <0> 0000020000000001 ffff88016c935a88 ffffea0004fc03a8 ffffffffa01de210
[ 2119.731139] Call Trace:
[ 2119.731145]  [<ffffffff81100557>] ? unlock_page+0x27/0x30
[ 2119.731154]  [<ffffffffa002335a>] drm_ioctl+0x34a/0x4c0 [drm]
[ 2119.731163]  [<ffffffffa0134e30>] ? radeon_info_ioctl+0x0/0x150 [radeon]
[ 2119.731167]  [<ffffffff8111f7b9>] ? handle_mm_fault+0x1b9/0x440
[ 2119.731179]  [<ffffffffa01b6e84>] radeon_kms_compat_ioctl+0x14/0x30 [radeon]
[ 2119.731182]  [<ffffffff81199363>] compat_sys_ioctl+0xb3/0x270
[ 2119.731185]  [<ffffffff8104510f>] sysenter_dispatch+0x7/0x2e
[ 2119.731186] Code: 1f 44 00 00 e8 72 fc 22 e1 c9 c3 55 48 89 e5 53 48 83 ec 18 0f 1f 44 00 00 48 8b 5e 08 48 8b 87 98 03 00 00 48 c7 c1 11 38 1d a0 <44> 8b 0b 44 89 4d ec 44 8b 06 41 83 f8 05 76 30 31 c0 48 c7 c2 
[ 2119.731206] RIP  [<ffffffffa0134e50>] radeon_info_ioctl+0x20/0x150 [radeon]
[ 2119.731215]  RSP <ffff88017c099dd8>
[ 2119.731216] CR2: ffffffffed4f9294
[ 2119.731218] ---[ end trace b0b60558a08001c4 ]---


64bit, Radeon hd 4350, no frglx.
The mod in my kernel is init change to do with interrupt sharing, but since out backtraces match I'm confirming this.

Dave

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

-- 
[340700.513619] BUG: unable to handle kernel paging request at fffffffff0ea1e74
https://bugs.launchpad.net/bugs/606081
You received this bug notification because you are a member of Kernel
Bugs, which is subscribed to linux in ubuntu.