From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bastian Blank Subject: pvops: i915 kms crashs with corrupt page table Date: Wed, 24 Feb 2010 18:55:56 +0100 Message-ID: <20100224175555.GA6353@wavehammer.waldi.eu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jeremy Fitzhardinge , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Hi I run a 2.6.32 dom0 kernel (the Debian distribution config). If I enable KMS in the intel driver, Xorg crashs with corrupt page table. | Xorg: Corrupted page table at address 7fd9e2f86000 | PGD 745d0067 PUD 74d1f067 PMD 72cae067 PTE fffffffffffff22f | Bad pagetable: 000f [#1] SMP=20 | last sysfs file: /sys/devices/virtual/backlight/acpi_video0/brightness | CPU 0=20 | Modules linked in: i915 drm_kms_helper xen_evtchn xenfs bridge stp firewi= re_sbp2 loop dm_snapshot snd_hda_codec_analog ide_cs arc4 snd_hda_intel snd= _hda_codec snd_hwdep ecb snd_pcm snd_timer joydev snd hp_accel lis3lv02d pa= rport_pc pcmcia irda soundcore parport tpm_infineon iwlagn yenta_socket tpm= rsrc_nonstatic container evdev input_polldev crc_ccitt iwlcore ac snd_page= _alloc pcspkr tpm_bios pcmcia_core wmi battery mac80211 processor cfg80211 = rfkill serio_raw psmouse ext3 jbd mbcache dm_mod sd_mod crc_t10dif ide_cd_m= od cdrom ata_generic uhci_hcd ide_pci_generic ahci sdhci_pci sdhci ricoh_mm= c firewire_ohci firewire_core crc_itu_t mmc_core led_class intel_agp drm i2= c_algo_bit button i2c_core video output e1000e libata scsi_mod ehci_hcd pii= x ide_core usbcore nls_base thermal fan thermal_sys [last unloaded: drm_kms= _helper] | Pid: 1955, comm: Xorg Not tainted 2.6.32-3-xen-amd64 #1 HP Compaq 6910p | RIP: e033:[<00007fd9e34dc0a0>] [<00007fd9e34dc0a0>] 0x7fd9e34dc0a0 | RSP: e02b:00007fff0525abf8 EFLAGS: 00010246 | RAX: 0000000000000010 RBX: 00007fd9e2f86000 RCX: 0000000000000000 | RDX: 00000000ffff0000 RSI: 00000000ffffffff RDI: 000000000000ffff | RBP: 0000000000000000 R08: 00007fd9e2f86000 R09: 0000000000000000 | R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000000 | R13: 0000000000000040 R14: 0000000400000000 R15: 0000000400000000 | FS: 00007fd9e786a790(0000) GS:ffff88000342f000(0000) knlGS:0000000000000= 000 | CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b | CR2: 00007fd9e2f86000 CR3: 0000000002b52000 CR4: 0000000000002660 | DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 | DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 | Process Xorg (pid: 1955, threadinfo ffff880001f2a000, task ffff880001e28e= 20) |=20 | RIP [<00007fd9e34dc0a0>] 0x7fd9e34dc0a0 | RSP <00007fff0525abf8> | ---[ end trace 8b2c5cb2c5b589cc ]--- Bastian --=20 There are always alternatives. -- Spock, "The Galileo Seven", stardate 2822.3