Hi, sorry, I lost the reference in the mail headers. Please see: http://www.spinics.net/lists/linux-ide/msg33340.html Well, I will post now the result with Tejun's debug patch: [15714.808535] XXX sdc: elv_insert(ATA_CHK_POWER) [15714.808540] Pid: 22034, comm: smartctl Tainted: P 2.6.30 #1 [15714.808542] Call Trace: [15714.808550] [<ffffffff8033e456>] ? blk_plug_device+0x5a/0x83 [15714.808555] [<ffffffff8033c2d2>] ? elv_insert+0x5e/0x2b0 [15714.808559] [<ffffffff80341008>] ? blk_execute_rq_nowait+0x65/0x92 [15714.808562] [<ffffffff803410c0>] ? blk_execute_rq+0x8b/0xab [15714.808565] [<ffffffff8033e831>] ? get_request_wait+0x21/0x17e [15714.808569] [<ffffffff8033da3d>] ? __freed_request+0x26/0x82 [15714.808572] [<ffffffff8033dabc>] ? freed_request+0x23/0x43 [15714.808575] [<ffffffff80344030>] ? sg_io+0x277/0x392 [15714.808578] [<ffffffff803445df>] ? scsi_cmd_ioctl+0x1db/0x3a0 [15714.808583] [<ffffffff80235c12>] ? check_preempt_wakeup+0x183/0x1dd [15714.808587] [<ffffffff802d350f>] ? __lookup_mnt+0x12/0x4b [15714.808603] [<ffffffffa00d9ae9>] ? sd_ioctl+0x9d/0xcb [sd_mod] [15714.808606] [<ffffffff803420b9>] ? __blkdev_driver_ioctl+0x69/0x7e [15714.808615] [<ffffffff803428d6>] ? blkdev_ioctl+0x7e4/0x81a [15714.808618] [<ffffffff802a41f3>] ? __do_fault+0x374/0x3af [15714.808621] [<ffffffff80297bbb>] ? __alloc_pages_internal+0xd2/0x427 [15714.808625] [<ffffffff802e1a07>] ? block_ioctl+0x38/0x3c [15714.808628] [<ffffffff802cc0de>] ? vfs_ioctl+0x21/0x6c [15714.808630] [<ffffffff802cc554>] ? do_vfs_ioctl+0x42b/0x464 [15714.808634] [<ffffffff8022cce1>] ? do_page_fault+0x1f3/0x208 [15714.808636] [<ffffffff802cc5de>] ? sys_ioctl+0x51/0x70 [15714.808640] [<ffffffff8020fa42>] ? system_call_fastpath+0x16/0x1b [15715.216145] XXX sda: elv_insert(ATA_CHK_POWER) [15715.216149] Pid: 22125, comm: hdparm Tainted: P 2.6.30 #1 [15715.216151] Call Trace: [15715.216158] [<ffffffff8033e456>] ? blk_plug_device+0x5a/0x83 [15715.216161] [<ffffffff8033c2d2>] ? elv_insert+0x5e/0x2b0 [15715.216164] [<ffffffff80341008>] ? blk_execute_rq_nowait+0x65/0x92 [15715.216167] [<ffffffff803410c0>] ? blk_execute_rq+0x8b/0xab [15715.216169] [<ffffffff8033e831>] ? get_request_wait+0x21/0x17e [15715.216173] [<ffffffff803af118>] ? mix_pool_bytes_extract+0x57/0x14a [15715.216176] [<ffffffff80344030>] ? sg_io+0x277/0x392 [15715.216178] [<ffffffff803445df>] ? scsi_cmd_ioctl+0x1db/0x3a0 [15715.216182] [<ffffffff802d0180>] ? __d_lookup+0xc3/0x107 [15715.216185] [<ffffffff802a1ab0>] ? zone_statistics+0x3c/0x5d [15715.216188] [<ffffffff802d350f>] ? __lookup_mnt+0x12/0x4b [15715.216202] [<ffffffffa00d9ae9>] ? sd_ioctl+0x9d/0xcb [sd_mod] [15715.216204] [<ffffffff803420b9>] ? __blkdev_driver_ioctl+0x69/0x7e [15715.216207] [<ffffffff803428d6>] ? blkdev_ioctl+0x7e4/0x81a [15715.216210] [<ffffffff802a41f3>] ? __do_fault+0x374/0x3af [15715.216213] [<ffffffff80297bbb>] ? __alloc_pages_internal+0xd2/0x427 [15715.216216] [<ffffffff802e1a07>] ? block_ioctl+0x38/0x3c [15715.216219] [<ffffffff802cc0de>] ? vfs_ioctl+0x21/0x6c [15715.216221] [<ffffffff802cc554>] ? do_vfs_ioctl+0x42b/0x464 [15715.216224] [<ffffffff8022cce1>] ? do_page_fault+0x1f3/0x208 [15715.216227] [<ffffffff802cc5de>] ? sys_ioctl+0x51/0x70 [15715.216230] [<ffffffff8020fa42>] ? system_call_fastpath+0x16/0x1b As you can see I am using Kernel 2.6.30 (Debian 2.6.30-8). So, what to do now? Bye, Thomas -- 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
