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Date: Thu, 18 Dec 2008 16:47:59 +1000 From: "Dave Airlie" <airlied@...il.com> To: "Kevin Winchester" <kjwinchester@...il.com> Cc: "Stephen Rothwell" <sfr@...b.auug.org.au>, linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, "Dave Airlie" <airlied@...hat.com> Subject: Re: linux-next: Tree for December 17 (Radeon DRM BUG) On Thu, Dec 18, 2008 at 10:14 AM, Kevin Winchester <kjwinchester@...il.com> wrote: > Stephen Rothwell wrote: >> >> Hi all, >> >> > > I get the following BUG in the radeon drm code with today's linux-next when > I run "startx". I have not built or tested linux-next in a while, but the > problem definitely does not occur in mainline. Do you have another X server running or just console? can you get a full dmesg with echo 1 > /sys/module/drm/parameters/debug Dave. > > Dec 17 20:02:41 winchester [ 43.741709] BUG: unable to handle kernel NULL > pointer dereference at 0000000000000000 > Dec 17 20:02:41 winchester [ 43.741723] IP: [<ffffffff8038411d>] > radeon_cp_init+0x311/0x9f6 > Dec 17 20:02:41 winchester [ 43.741740] PGD 4d501067 PUD 4d533067 PMD 0 > Dec 17 20:02:41 winchester [ 43.741747] Oops: 0002 [#1] > Dec 17 20:02:41 winchester [ 43.741751] last sysfs file: > /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/resource > Dec 17 20:02:41 winchester [ 43.741757] CPU 0 > Dec 17 20:02:41 winchester [ 43.741760] Modules linked in: > Dec 17 20:02:41 winchester [ 43.741766] Pid: 3630, comm: X Not tainted > 2.6.28-rc8-next-20081217 #192 > Dec 17 20:02:41 winchester [ 43.741771] RIP: 0010:[<ffffffff8038411d>] > [<ffffffff8038411d>] radeon_cp_init+0x311/0x9f6 > Dec 17 20:02:41 winchester [ 43.741780] RSP: 0018:ffff88004d575e18 > EFLAGS: 00010282 > Dec 17 20:02:41 winchester [ 43.741784] RAX: ffff88004f36d640 RBX: > ffff88004f257400 RCX: ffff88004f36d640 > Dec 17 20:02:41 winchester [ 43.741789] RDX: 0000002000000002 RSI: > ffff88004f3fd000 RDI: ffff88004f085800 > Dec 17 20:02:41 winchester [ 43.741793] RBP: ffff88004d575e38 R08: > ffff88004d559600 R09: ffff88004d575ef8 > Dec 17 20:02:41 winchester [ 43.741798] R10: 0000000000000000 R11: > 0000000000003202 R12: ffff88004f085800 > Dec 17 20:02:41 winchester [ 43.741802] R13: ffff88004eb9d500 R14: > 0000000000000000 R15: ffff88004eb9db00 > Dec 17 20:02:41 winchester [ 43.741808] FS: 00007f845ffa26f0(0000) > GS:ffffffff80699e40(0000) knlGS:0000000000000000 > Dec 17 20:02:41 winchester [ 43.741813] CS: 0010 DS: 0000 ES: 0000 CR0: > 000000008005003b > Dec 17 20:02:41 winchester [ 43.741817] CR2: 0000000000000000 CR3: > 000000004d55f000 CR4: 00000000000006e0 > Dec 17 20:02:41 winchester [ 43.741822] DR0: 0000000000000000 DR1: > 0000000000000000 DR2: 0000000000000000 > Dec 17 20:02:41 winchester [ 43.741826] DR3: 0000000000000000 DR6: > 00000000ffff0ff0 DR7: 0000000000000400 > Dec 17 20:02:41 winchester [ 43.741832] Process X (pid: 3630, threadinfo > ffff88004d574000, task ffff88004f287330) > Dec 17 20:02:41 winchester [ 43.741835] Stack: > Dec 17 20:02:41 winchester [ 43.741838] 00000000fffffff4 0000000040786440 > ffff88004f085800 ffffffff80383e0c > Dec 17 20:02:41 winchester [ 43.741845] ffff88004d575e98 ffffffff8037249e > ffff88004d575e48 ffff88004d575e48 > Dec 17 20:02:41 winchester [ 43.741852] 00007fff67fbf5a0 ffff88004eb9d500 > ffff88004f08583c ffff88004d559600 > Dec 17 20:02:41 winchester [ 43.741860] Call Trace: > Dec 17 20:02:41 winchester [ 43.741865] [<ffffffff80383e0c>] ? > radeon_cp_init+0x0/0x9f6 > Dec 17 20:02:41 winchester [ 43.741871] [<ffffffff8037249e>] > drm_ioctl+0x1de/0x270 > Dec 17 20:02:41 winchester [ 43.741881] [<ffffffff80298d2e>] > vfs_ioctl+0x4a/0x55 > Dec 17 20:02:41 winchester [ 43.741890] [<ffffffff8029911a>] > do_vfs_ioctl+0x3b2/0x3ff > Dec 17 20:02:41 winchester [ 43.741896] [<ffffffff8028d0fa>] ? > fsnotify_modify+0x4e/0x53 > Dec 17 20:02:41 winchester [ 43.741904] [<ffffffff802991ac>] > sys_ioctl+0x45/0x80 > Dec 17 20:02:41 winchester [ 43.741910] [<ffffffff8028de98>] ? > sys_write+0x62/0x72 > Dec 17 20:02:41 winchester [ 43.741917] [<ffffffff8020b94b>] > system_call_fastpath+0x16/0x1b > Dec 17 20:02:41 winchester [ 43.741925] Code: 00 00 49 8b 45 60 48 89 83 > f8 00 00 00 49 8b 45 68 48 89 83 00 01 00 00 49 8b 45 70 48 89 83 08 01 00 > 00 e8 7e da fe ff 48 85 c0 <49> 89 06 48 c7 c6 b0 4e 4d 80 48 c7 c7 13 4a 5c > 80 0f 84 a7 fd > Dec 17 20:02:41 winchester [ 43.741970] RIP [<ffffffff8038411d>] > radeon_cp_init+0x311/0x9f6 > Dec 17 20:02:41 winchester [ 43.741977] RSP <ffff88004d575e18> > Dec 17 20:02:41 winchester [ 43.741980] CR2: 0000000000000000 > Dec 17 20:02:41 winchester [ 43.741984] ---[ end trace dc6d31ddec008340 > ]--- > Dec 17 20:02:41 winchester [ 43.761235] [drm:drm_release] *ERROR* Device > busy: 1 > > What other information can I provide? > > -- > Kevin Winchester > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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