Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756947Ab0FFOYv (ORCPT ); Sun, 6 Jun 2010 10:24:51 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:48131 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756561Ab0FFOYt (ORCPT ); Sun, 6 Jun 2010 10:24:49 -0400 Date: Sun, 6 Jun 2010 07:19:24 -0700 (PDT) From: Linus Torvalds To: Torsten Kaiser cc: Alex Deucher , Linux Kernel Mailing List , Tejun Heo , Jeff Garzik Subject: Re: Linux 2.6.35-rc2 In-Reply-To: Message-ID: References:

User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4747 Lines: 97 On Sun, 6 Jun 2010, Torsten Kaiser wrote: > > The first problem that shows up is, that after the KMS switches to the > correct video mode (1280x1024 for an DVI attached LCD), the display > begins to flicker. Every 1..2 seconds (guesstimated) the display turns > off and on again. Something in the new powersaving? Or maybe a borderline display timing that the display has trouble syncing up with? > The second problem is more serious, an OOPS and after that the system > hangs. Ctrl+Alt+Del did not initiate a shutdown, although the magic > SysRq still party worked (A first SysRq+S worked, but SysRq+U or a > second SysRq+S after that did not. SysRq+B still rebooted) This one looks very much like ATA. Added Jeff and Tejun to the cc. Jeff, Tejun, anything ring a bell? Linus > [ 90.040053] general protection fault: 0000 [#1] SMP > [ 90.045062] last sysfs file: /sys/devices/pci0000:00/0000:00:06.0/0000:05:06.0/resource > [ 90.050007] CPU 0 > [ 90.050007] Modules linked in: sg > [ 90.050007] > [ 90.050007] Pid: 335, comm: kblockd/0 Not tainted 2.6.35-rc2 #1 KFN5-D SLI/KFN5-D SLI > [ 90.050007] RIP: 0010:[] [] ata_find_dev+0x24/0x90 > [ 90.050007] RSP: 0018:ffff88007ffdbda0 EFLAGS: 00010082 > [ 90.050007] RAX: 0720072007200720 RBX: ffff88007ffc7000 RCX: 0720072007202558 > [ 90.050007] RDX: ffff880007009e38 RSI: 0000000000000000 RDI: ffff880007008000 > [ 90.050007] RBP: ffff880006cef700 R08: 0000000000000001 R09: 0000000000000008 > [ 90.050007] R10: 0000000000000000 R11: ffff88000723edb0 R12: ffff88007f3a3800 > [ 90.050007] R13: ffff880007008000 R14: ffffffff81340f80 R15: ffff88007ffc7138 > [ 90.050007] FS: 00007f558bc58700(0000) GS:ffff880001c00000(0000) knlGS:0000000000000000 > [ 90.050007] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [ 90.050007] CR2: 00007fffa9653000 CR3: 0000000006429000 CR4: 00000000000006f0 > [ 90.050007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 90.050007] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 90.050007] Process kblockd/0 (pid: 335, threadinfo ffff88007ffda000, task ffff88007ff8a7d0) > [ 90.050007] Stack: > [ 90.050007] ffffffff8135ab25 ffffffff8135e7cb ffff880006cef700 ffff88007f3a3800 > [ 90.050007] <0> ffff88000723ecd0 0000000000000287 ffff88007ffc7048 ffffffff81341c49 > [ 90.050007] <0> ffff88000723ecd0 ffff88007ffc7000 ffff880007290000 ffff88000723ecd0 > [ 90.050007] Call Trace: > [ 90.050007] [] ? ata_scsi_find_dev+0x5/0x30 > [ 90.050007] [] ? ata_scsi_queuecmd+0x4b/0x2c0 > [ 90.050007] [] ? scsi_dispatch_cmd+0xd9/0x210 > [ 90.050007] [] ? scsi_request_fn+0x300/0x3e0 > [ 90.050007] [] ? blk_unplug_work+0x0/0x20 > [ 90.050007] [] ? generic_unplug_device+0x24/0x30 > [ 90.050007] [] ? worker_thread+0xeb/0x180 > [ 90.050007] [] ? autoremove_wake_function+0x0/0x30 > [ 90.050007] [] ? worker_thread+0x0/0x180 > [ 90.050007] [] ? kthread+0x8e/0xa0 > [ 90.050007] [] ? kernel_thread_helper+0x4/0x10 > [ 90.050007] [] ? kthread+0x0/0xa0 > [ 90.050007] [] ? kernel_thread_helper+0x0/0x10 > [ 90.050007] Code: 1f 84 00 00 00 00 00 8b 87 00 29 00 00 85 c0 75 > 46 48 8b 87 38 1e 00 00 48 8d 97 38 1e 00 00 48 8d 88 38 1e 00 00 48 > 39 ca 74 4c <48> 3b 90 f8 28 00 00 74 43 ba 01 00 00 00 39 d6 7d 47 48 > 63 f6 > [ 90.050007] RIP [] ata_find_dev+0x24/0x90 > [ 90.050007] RSP > [ 90.050007] ---[ end trace c14df2a6b8b3b357 ]--- > > > (gdb) list *0xffffffff8135aa64 > 0xffffffff8135aa64 is in ata_find_dev (include/linux/libata.h:1201). > 1196 return ap->nr_pmp_links != 0; > 1197 } > 1198 > 1199 static inline int ata_is_host_link(const struct ata_link *link) > 1200 { > 1201 return link == &link->ap->link || link == link->ap->slave_link; > 1202 } > 1203 #else /* CONFIG_SATA_PMP */ > 1204 static inline bool sata_pmp_supported(struct ata_port *ap) > 1205 { > > CONFIG_SATA_PMP ist set to 'y', because my SiI 3132 should be PMP > capable. (But there are only two normal hdds attached to this > controller) > > Please ask, if you need more information or have something to try for me. > > Thanks > > Torsten > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/