From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755932Ab0CHWgq (ORCPT ); Mon, 8 Mar 2010 17:36:46 -0500 Received: from mailbackup.inode.at ([213.229.60.24]:35691 "EHLO mailbackup.inode.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755752Ab0CHWgn (ORCPT ); Mon, 8 Mar 2010 17:36:43 -0500 From: David Steiner To: linux-kernel@vger.kernel.org Subject: Bug report: scheduling while atomic: md0_raid5 - 2.6.33-rt4 Date: Mon, 8 Mar 2010 23:33:49 +0100 User-Agent: KMail/1.12.4 (Linux/2.6.33-rt4; KDE/4.3.4; x86_64; ; ) Cc: Neil Brown MIME-Version: 1.0 Content-Type: Multipart/Mixed; boundary="Boundary-00=_NtXlLE+xoYMY6HV" Message-Id: <201003082333.49460.david@sicnarf.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Boundary-00=_NtXlLE+xoYMY6HV Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi, I'm writing to report a problem that's occurring in the raid456 module. I'm running vanilla linux with real time patches applied (http://rt.wiki.kernel.org). Since I upgraded from 2.6.31.12-rt12 the following message comes frequently. Before there weren't such messages: [193002.046563] BUG: scheduling while atomic: md0_raid5/0x00000001/809, CPU#1 [193002.046571] Modules linked in: i915 drm_kms_helper drm i2c_algo_bit video output ppdev lp parport xt_multiport iptable_filter ip_tables x_tables kvm_intel kvm fuse loop raw1394 arc4 ecb ath5k mac80211 ath cfg80211 psmouse usbhid rfkill hid i2c_i801 serio_raw evdev rng_core led_class i2c_core raid456 md_mod async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx ide_gd_mod ata_generic ata_piix ide_pci_generic ahci libata ohci1394 piix uhci_hcd pdc202xx_new scsi_mod ieee1394 e1000e ehci_hcd ide_core intel_agp [last unloaded: scsi_wait_scan] [193002.046664] Pid: 809, comm: md0_raid5 Not tainted 2.6.33-rt4 #1 [193002.046668] Call Trace: [193002.046682] [] ? __schedule+0x83/0x7dd [193002.046692] [] ? task_blocks_on_rt_mutex+0x14b/0x19f [193002.046700] [] ? schedule+0x10/0x22 [193002.046707] [] ? rt_spin_lock_slowlock+0x14b/0x234 [193002.046721] [] ? release_stripe+0x1a/0x31 [raid456] [193002.046730] [] ? async_xor+0x402/0x413 [async_xor] [193002.046741] [] ? ide_do_rw_disk+0x217/0x299 [ide_gd_mod] [193002.046751] [] ? __raid_run_ops+0x961/0xb61 [raid456] [193002.046761] [] ? ops_complete_reconstruct+0x0/0x91 [raid456] [193002.046772] [] ? handle_stripe+0x17aa/0x1815 [raid456] [193002.046782] [] ? raid5d+0x399/0x3da [raid456] [193002.046796] [] ? md_thread+0xf2/0x110 [md_mod] [193002.046803] [] ? autoremove_wake_function+0x0/0x2a [193002.046815] [] ? md_thread+0x0/0x110 [md_mod] [193002.046823] [] ? kthread+0x75/0x7d [193002.046831] [] ? finish_task_switch+0x49/0xc8 [193002.046839] [] ? kernel_thread_helper+0x4/0x10 [193002.046847] [] ? kthread+0x0/0x7d [193002.046853] [] ? kernel_thread_helper+0x0/0x10 $ dmesg | grep BUG [182968.276011] BUG: scheduling while atomic: md0_raid5/0x00000001/809, CPU#1 [.... 55 ommitted .....] [193002.046563] BUG: scheduling while atomic: md0_raid5/0x00000001/809, CPU#1 $ cat /proc/version Linux version 2.6.33-rt4 (root@sandbox) (gcc version 4.4.3 (Debian 4.4.3-3) ) #1 SMP PREEMPT RT Sat Feb 27 22:35:34 CET 2010 According to Neil Brown, this problem was introduced by the real-time patches. This is a root-on-raid5, 3 disk-IDE-attached setup. If you need any more info let me know. Please CC me any replies as I'm not subscribed. Greetings, David --Boundary-00=_NtXlLE+xoYMY6HV Content-Type: text/plain; charset="UTF-8"; name="proc_cpuinfo" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="proc_cpuinfo" processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T5600 @ 1.83GHz stepping : 6 cpu MHz : 1829.084 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow bogomips : 3658.16 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T5600 @ 1.83GHz stepping : 6 cpu MHz : 1829.084 cache size : 2048 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow bogomips : 3656.99 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: --Boundary-00=_NtXlLE+xoYMY6HV Content-Type: text/plain; charset="UTF-8"; name="proc_iomem" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="proc_iomem" 00000000-0009e7ff : System RAM 0009e800-0009f7ff : RAM buffer 0009f800-0009ffff : reserved 000d0000-000d7fff : pnp 00:08 000da800-000dbfff : pnp 00:08 000e0000-000effff : pnp 00:08 000f0000-000fffff : reserved 00100000-7f7effff : System RAM 01000000-01300904 : Kernel code 01300905-016e991f : Kernel data 0177f000-020effef : Kernel bss 7f7f0000-7f7f2fff : ACPI Non-volatile Storage 7f7f3000-7f7fffff : ACPI Tables 7f800000-7fffffff : RAM buffer 80000000-801fffff : PCI Bus 0000:01 80200000-803fffff : PCI Bus 0000:01 80400000-805fffff : PCI Bus 0000:02 80600000-806fffff : PCI Bus 0000:03 80600000-80603fff : 0000:03:00.0 d0000000-dfffffff : 0000:00:02.0 e0000000-e1ffffff : PCI Bus 0000:03 e1000000-e100ffff : 0000:03:01.0 e1000000-e100ffff : ath5k e1010000-e1013fff : 0000:03:00.0 e1014000-e1017fff : 0000:03:07.0 e1018000-e10187ff : 0000:03:07.0 e1018000-e10187ff : ohci1394 e2000000-e20fffff : PCI Bus 0000:02 e2000000-e207ffff : 0000:02:00.0 e2000000-e207ffff : e1000e e2080000-e209ffff : 0000:02:00.0 e2080000-e209ffff : e1000e e2100000-e217ffff : 0000:00:02.0 e2180000-e21bffff : 0000:00:02.0 e21c0000-e21c03ff : 0000:00:1d.7 e21c0000-e21c03ff : ehci_hcd e21c3000-e21c33ff : 0000:00:1f.2 e21c3000-e21c33ff : ahci f0000000-f3ffffff : reserved f0000000-f3ffffff : pnp 00:07 fec00000-ffffffff : reserved fec00000-fec003ff : IOAPIC 0 fed13000-fed1dfff : pnp 00:08 fed20000-fed8ffff : pnp 00:08 fee00000-fee00fff : Local APIC fee00000-fee00fff : pnp 00:08 ffb00000-ffb7ffff : pnp 00:08 fff00000-ffffffff : pnp 00:08 --Boundary-00=_NtXlLE+xoYMY6HV Content-Type: text/plain; charset="UTF-8"; name="proc_ioports" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="proc_ioports" 0000-001f : dma1 0020-0021 : pic1 0040-0043 : timer0 0050-0053 : timer1 0060-0060 : keyboard 0064-0064 : keyboard 0070-0073 : rtc0 0080-008f : dma page reg 00a0-00a1 : pic2 00c0-00df : dma2 00f0-00ff : fpu 0170-0177 : 0000:00:1f.1 0170-0177 : piix 01f0-01f7 : 0000:00:1f.1 01f0-01f7 : piix 0290-029f : pnp 00:01 0376-0376 : 0000:00:1f.1 0376-0376 : piix 03c0-03df : vga+ 03f6-03f6 : 0000:00:1f.1 03f6-03f6 : piix 0400-047f : 0000:00:1f.0 0400-0403 : ACPI PM1a_EVT_BLK 0404-0405 : ACPI PM1a_CNT_BLK 0408-040b : ACPI PM_TMR 0410-0415 : ACPI CPU throttle 0428-042f : ACPI GPE0_BLK 0480-04bf : 0000:00:1f.0 04d0-04d1 : pnp 00:01 0500-051f : 0000:00:1f.3 0500-051f : i801_smbus 0800-087f : pnp 00:01 0880-088f : pnp 00:01 0cf8-0cff : PCI conf1 7000-7fff : PCI Bus 0000:01 8000-8fff : PCI Bus 0000:02 8000-801f : 0000:02:00.0 9000-afff : PCI Bus 0000:03 9000-9007 : 0000:03:00.0 9000-9007 : pdc202xx_new 9400-9403 : 0000:03:00.0 9400-9403 : pdc202xx_new 9800-9807 : 0000:03:00.0 9800-9807 : pdc202xx_new 9c00-9c03 : 0000:03:00.0 9c00-9c03 : pdc202xx_new a000-a00f : 0000:03:00.0 a000-a00f : pdc202xx_new b000-b01f : 0000:00:1d.0 b000-b01f : uhci_hcd b400-b41f : 0000:00:1d.1 b400-b41f : uhci_hcd b800-b81f : 0000:00:1d.2 b800-b81f : uhci_hcd bc00-bc1f : 0000:00:1d.3 bc00-bc1f : uhci_hcd c000-c007 : 0000:00:02.0 d400-d407 : 0000:00:1f.2 d400-d407 : ahci d800-d803 : 0000:00:1f.2 d800-d803 : ahci dc00-dc07 : 0000:00:1f.2 dc00-dc07 : ahci e000-e003 : 0000:00:1f.2 e000-e003 : ahci e400-e40f : 0000:00:1f.2 e400-e40f : ahci f000-f00f : 0000:00:1f.1 f000-f00f : piix --Boundary-00=_NtXlLE+xoYMY6HV Content-Type: text/plain; charset="UTF-8"; name="proc_modules" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="proc_modules" i915 248967 2 - Live 0xffffffffa02f3000 drm_kms_helper 20195 1 i915, Live 0xffffffffa02e7000 drm 142884 3 i915,drm_kms_helper, Live 0xffffffffa02b0000 i2c_algo_bit 4241 1 i915, Live 0xffffffffa0159000 video 17973 1 i915, Live 0xffffffffa02a4000 output 1772 1 video, Live 0xffffffffa014c000 ppdev 5339 0 - Live 0xffffffffa0130000 lp 8942 0 - Live 0xffffffffa0171000 parport 26050 2 ppdev,lp, Live 0xffffffffa0295000 xt_multiport 2267 1 - Live 0xffffffffa00d1000 iptable_filter 2306 1 - Live 0xffffffffa00be000 ip_tables 13986 1 iptable_filter, Live 0xffffffffa028f000 x_tables 13121 2 xt_multiport,ip_tables, Live 0xffffffffa01fa000 kvm_intel 38301 0 - Live 0xffffffffa01d0000 kvm 228220 1 kvm_intel, Live 0xffffffffa023f000 fuse 50244 1 - Live 0xffffffffa0230000 loop 12149 0 - Live 0xffffffffa00a0000 raw1394 19196 14 - Live 0xffffffffa0077000 arc4 1306 2 - Live 0xffffffffa002a000 ecb 1857 2 - Live 0xffffffffa0021000 ath5k 133970 0 - Live 0xffffffffa0205000 mac80211 114376 1 ath5k, Live 0xffffffffa01dc000 ath 8210 1 ath5k, Live 0xffffffffa0129000 cfg80211 102679 3 ath5k,mac80211,ath, Live 0xffffffffa01b4000 psmouse 31856 0 - Live 0xffffffffa0197000 usbhid 30602 0 - Live 0xffffffffa0139000 rfkill 13058 1 cfg80211, Live 0xffffffffa0116000 hid 63699 1 usbhid, Live 0xffffffffa00f8000 i2c_i801 7606 0 - Live 0xffffffffa00a4000 serio_raw 3830 0 - Live 0xffffffffa0074000 evdev 7426 9 - Live 0xffffffffa005c000 rng_core 3158 0 - Live 0xffffffffa0038000 led_class 2433 1 ath5k, Live 0xffffffffa0027000 i2c_core 15277 5 i915,drm_kms_helper,drm,i2c_algo_bit,i2c_i801, Live 0xffffffffa0008000 raid456 43965 1 - Live 0xffffffffa01a0000 md_mod 76874 2 raid456, Live 0xffffffffa0182000 async_raid6_recov 4683 1 raid456, Live 0xffffffffa017b000 async_pq 3127 2 raid456,async_raid6_recov, Live 0xffffffffa0175000 raid6_pq 76962 2 async_raid6_recov,async_pq, Live 0xffffffffa015c000 async_xor 2185 3 raid456,async_raid6_recov,async_pq, Live 0xffffffffa0156000 xor 4364 1 async_xor, Live 0xffffffffa014f000 async_memcpy 1182 2 raid456,async_raid6_recov, Live 0xffffffffa0149000 async_tx 1670 5 raid456,async_raid6_recov,async_pq,async_xor,async_memcpy, Live 0xffffffffa0143000 ide_gd_mod 13804 6 - Live 0xffffffffa0133000 ata_generic 3063 0 - Live 0xffffffffa012d000 ata_piix 20445 0 - Live 0xffffffffa0122000 ide_pci_generic 2868 0 - Live 0xffffffffa011c000 ahci 31768 0 - Live 0xffffffffa010c000 libata 131806 3 ata_generic,ata_piix,ahci, Live 0xffffffffa00d5000 ohci1394 24041 7 - Live 0xffffffffa00c9000 piix 4680 1 - Live 0xffffffffa00c2000 uhci_hcd 18082 0 - Live 0xffffffffa00b7000 pdc202xx_new 3961 2 - Live 0xffffffffa00b1000 scsi_mod 124065 1 libata, Live 0xffffffffa007f000 ieee1394 60760 2 raw1394,ohci1394, Live 0xffffffffa0063000 e1000e 109765 0 - Live 0xffffffffa003c000 ehci_hcd 29464 0 - Live 0xffffffffa002e000 ide_core 72981 4 ide_gd_mod,ide_pci_generic,piix,pdc202xx_new, Live 0xffffffffa000d000 intel_agp 24256 1 - Live 0xffffffffa0000000 --Boundary-00=_NtXlLE+xoYMY6HV Content-Type: text/plain; charset="UTF-8"; name="lspci" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="lspci" 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03) Subsystem: Giga-byte Technology Device 5000 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Kernel driver in use: agpgart-intel 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03) (prog-if 00 [VGA controller]) Subsystem: Giga-byte Technology Device d000 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- [disabled] Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit- Address: 00000000 Data: 0000 Capabilities: [d0] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Kernel driver in use: i915 00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [40] Express (v1) Root Port (Slot+), MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited ExtTag- RBE- FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <4us ClockPM- Surprise- LLActRep+ BwNot- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x0, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Slot #16, PowerLimit 10.000W; Interlock- NoCompl- SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- Changed: MRL- PresDet- LinkState- RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Address: fee0300c Data: 4159 Capabilities: [90] Subsystem: Gammagraphx, Inc. (or missing ID) Device 0000 Capabilities: [a0] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Kernel driver in use: pcieport 00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [40] Express (v1) Root Port (Slot+), MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited ExtTag- RBE- FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #2, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <256ns, L1 <4us ClockPM- Surprise- LLActRep+ BwNot- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Slot #17, PowerLimit 10.000W; Interlock- NoCompl- SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet- CmdCplt- HPIrq- LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- Changed: MRL- PresDet+ LinkState+ RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit- Address: fee0300c Data: 4161 Capabilities: [90] Subsystem: Gammagraphx, Inc. (or missing ID) Device 0000 Capabilities: [a0] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Kernel driver in use: pcieport 00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02) (prog-if 00 [UHCI]) Subsystem: Giga-byte Technology Device 5004 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- Reset- FastB2B- PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn- Capabilities: [50] Subsystem: Gammagraphx, Inc. (or missing ID) Device 0000 00:1f.0 ISA bridge: Intel Corporation 82801GHM (ICH7-M DH) LPC Interface Bridge (rev 02) Subsystem: Giga-byte Technology Device 5001 Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- SERR- 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 02) (prog-if 8a [Master SecP PriP]) Subsystem: Giga-byte Technology Device b001 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR-