Hi All, Has anyone seen this kernel error before? The controller is Sil3124 and kernel version 2.6.18-rc2. This seems to happen very rarely since this is the first time I 've seen this error message. Thanks for your feedback! Fajun ~ $ dmesg 0608 394833] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB) [1198330608 395174] sda: Write Protect is off [1198330608 395226] sda: Mode Sense: 00 3a 00 00 [1198330608 395654] SCSI device sda: drive cache: write back [1198330608 396194] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB) [1198330608 398800] sda: Write Protect is off [1198330608 398862] sda: Mode Sense: 00 3a 00 00 [1198330608 399293] SCSI device sda: drive cache: write back [1198330608 399391] sda: unknown partition table [1198330608 415346] sd 0:0:0:0: Attached scsi disk sda [1198330608 415668] sd 0:0:0:0: Attached scsi generic sg0 type 0 [1198339284 728601] ata1 port frozen [1198339284 728681] ata1: exception Emask 0x10 SAct 0x0 SErr 0x80000 action 0x2 frozen [1198339284 728749] ata1: (irq_stat 0x01100010, PHY RDY changed) [1198339284 728802] ata1 port frozen [1198339284 728841] ata1: hard resetting port [1198339285 277716] ata1: SATA link down (SStatus 0 SControl 300) [1198339285 277779] ata1 port thawed [1198339285 277818] ata1.00: disabled [1198339285 787776] ata1: EH complete [1198339285 787854] ata1.00: detaching (SCSI 0:0:0:0) [1198339314 961020] ata1 port frozen [1198339314 961097] ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x2 frozen [1198339314 961164] ata1: (irq_stat 0x00b40090, PHY RDY changed) [1198339314 961219] ata1 port frozen [1198339314 961258] ata1: hard resetting port [1198339318 701017] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [1198339318 701090] ata1 port thawed [1198339318 702326] ata1.00: ATA-7, max UDMA/133, 312581808 sectors: LBA48 NCQ (depth 31/32) [1198339318 703916] ata1.00: configured for UDMA/100 [1198339318 703980] ata1: EH complete [1198339318 704735] Vendor: ATA Model: ST9160823AS Rev: AAZ2 [1198339318 704850] Type: Direct-Access ANSI SCSI revision: 05 [1198339318 705847] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB) [1198339318 706165] sda: Write Protect is off [1198339318 706230] sda: Mode Sense: 00 3a 00 00 [1198339318 706657] SCSI device sda: drive cache: write back [1198339318 707194] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB) [1198339318 707480] sda: Write Protect is off [1198339318 707541] sda: Mode Sense: 00 3a 00 00 [1198339318 707964] SCSI device sda: drive cache: write back [1198339318 708031] sda: unknown partition table [1198339318 727956] sd 0:0:0:0: Attached scsi disk sda [1198339318 728265] sd 0:0:0:0: Attached scsi generic sg0 type 0 [1198350170 540587] ata1 port frozen [1198350170 540662] ata1: exception Emask 0x10 SAct 0x0 SErr 0x80000 action 0x2 frozen [1198350170 540730] ata1: (irq_stat 0x01100010, PHY RDY changed) [1198350170 540780] ata1 port frozen [1198350170 540819] ata1: hard resetting port [1198350171 109527] ata1: SATA link down (SStatus 0 SControl 300) [1198350171 109592] ata1 port thawed [1198350171 109631] ata1.00: disabled [1198350171 619603] ata1: EH complete [1198350171 619683] ata1.00: detaching (SCSI 0:0:0:0) [1198350200 751481] ata1 port frozen [1198350200 751563] ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x2 frozen [1198350200 751630] ata1: (irq_stat 0x00b40090, PHY RDY changed) [1198350200 751685] ata1 port frozen [1198350200 751725] ata1: hard resetting port [1198350204 482807] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [1198350204 482878] ata1 port thawed [1198350204 496761] ata1.00: ATA-7, max UDMA/133, 312581808 sectors: LBA48 NCQ (depth 31/32) [1198350204 498302] ata1.00: configured for UDMA/100 [1198350204 498370] ata1: EH complete [1198350204 499202] Vendor: ATA Model: ST9160823AS Rev: AAZ2 [1198350204 499320] Type: Direct-Access ANSI SCSI revision: 05 [1198350204 500328] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB) [1198350204 500664] sda: Write Protect is off [1198350204 500716] sda: Mode Sense: 00 3a 00 00 [1198350204 501161] SCSI device sda: drive cache: write back [1198350204 501697] SCSI device sda: 312581808 512-byte hdwr sectors (160042 MB) [1198350204 501987] sda: Write Protect is off [1198350204 502049] sda: Mode Sense: 00 3a 00 00 [1198350204 502472] SCSI device sda: drive cache: write back [1198350204 502540] sda: unknown partition table [1198350204 513485] sd 0:0:0:0: Attached scsi disk sda [1198350204 513870] sd 0:0:0:0: Attached scsi generic sg0 type 0 [1198358880 722104] ata1 port frozen [1198358880 722185] ata1: exception Emask 0x10 SAct 0x0 SErr 0x80000 action 0x2 frozen [1198358880 722254] ata1: (irq_stat 0x01100010, PHY RDY changed) [1198358880 722304] ata1 port frozen [1198358880 722343] ata1: hard resetting port [1198358881 291114] ata1: SATA link down (SStatus 0 SControl 300) [1198358881 291176] ata1 port thawed [1198358881 291215] ata1.00: disabled [1198358881 801178] ata1: EH complete [1198358881 802241] ata1.00: detaching (SCSI 0:0:0:0) [1198358881 807367] BUG: unable to handle kernel NULL pointer dereference at virtual address 0000004f [1198358881 807458] printing eip: [1198358881 807493] c0143f15 [1198358881 807527] *pde = 0236e067 [1198358881 807561] *pte = 00000000 [1198358881 807600] Oops: 0000 [#1] [1198358881 807635] Modules linked in: [1198358881 807681] CPU: 0 [1198358881 807684] EIP: 0060:[<c0143f15>] Not tainted VLI [1198358881 807689] EFLAGS: 00010246 (2.6.18-rc2-iop1-geminicpc-libata-aau-sg-libata-printk-fix-flex #1) [1198358881 807839] EIP is at cdev_del+0x3/0x1b [1198358881 807881] eax: ffffffff ebx: ffffffff ecx: c3eff300 edx: 00000001 [1198358881 807950] esi: 00000000 edi: c13ff960 ebp: c02aa260 esp: c3ee7edc [1198358881 808017] ds: 007b es: 007b ss: 0068 [1198358881 808060] Process ata_aux (pid: 687, ti=c3ee6000 task=c1362050 task.ti=c3ee6000) [1198358881 808108] Stack: 00000000 c01ece0c 00000000 c1b2c000 00000286 00000000 01500000 00000001 [1198358881 808203] c02acb90 c1b2c1cc c02aa2dc c02aa260 c01c5dfb 00000000 00000246 c1b2c1cc [1198358881 808297] c1b2c090 00000246 c109c2ac c01c5ed3 c1b2c000 c01d378d c1b2c000 c109c028 [1198358881 808391] Call Trace: [1198358881 808447] [<c01ece0c>] sg_remove+0x1d1/0x214 [1198358881 808513] [<c01c5dfb>] class_device_del+0x42/0x112 [1198358881 808580] [<c01c5ed3>] class_device_unregister+0x8/0x10 [1198358881 808630] [<c01d378d>] __scsi_remove_device+0x23/0x60 [1198358881 808687] [<c01d37e1>] scsi_remove_device+0x17/0x20 [1198358881 808735] [<c01e6a9f>] ata_scsi_hotplug+0xd1/0x148 [1198358881 808785] [<c011c944>] run_workqueue+0x63/0x92 [1198358881 808840] [<c01e69ce>] ata_scsi_hotplug+0x0/0x148 [1198358881 808887] [<c011cacd>] worker_thread+0xe8/0x118 [1198358881 808935] [<c010e95c>] default_wake_function+0x0/0xc [1198358881 809001] [<c011c9e5>] worker_thread+0x0/0x118 [1198358881 809047] [<c011edc6>] kthread+0xac/0xda [1198358881 809100] [<c011ed1a>] kthread+0x0/0xda [1198358881 809145] [<c0100aad>] kernel_thread_helper+0x5/0xb [1198358881 809192] Code: d6 5b 5e c3 89 c8 c3 89 50 4c 89 48 50 50 a1 9c 7e 31 c0 68 6b 40 14 c0 68 ee 3e 14 c0 6a 00 e8 ab 2e 08 00 83 c4 10 c3 53 89 c3 <8b> 48 50 8b 50 4c a1 9c 7e 31 c0 e8 6f 2d 08 00 89 d8 5b e9 8d [1198358881 809468] EIP: [<c0143f15>] cdev_del+0x3/0x1b SS:ESP 0068:c3ee7edc [1198358881 809727] <6>ata1 port frozen [1198358910 954625] ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x2 frozen [1198358910 954716] ata1: (irq_stat 0x00b40090, PHY RDY changed) [1198358910 954790] ata1 port frozen [1198358910 954851] ata1: hard resetting port [1198358914 694404] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [1198358914 694498] ata1 port thawed [1198358914 696092] ata1.00: ATA-7, max UDMA/133, 312581808 sectors: LBA48 NCQ (depth 31/32) [1198358914 697744] ata1.00: configured for UDMA/100 [1198358914 697832] ata1: EH complete ~ $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 8 model name : Celeron (Coppermine) stepping : 10 cpu MHz : 735.010 cache size : 128 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse bogomips : 1470.95 ~ $ cat /sys/class/scsi_host/host0/proc_name sata_sil24 - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
