Hi, I have a setup with an LSI2008 controller running md (RAID-1 and RAID-6) with LVM on top, and I'm seeing this on boot, pretty much under fsck:
[ 15.235697] ------------[ cut here ]------------ [ 15.235738] md: resync of RAID array md1 [ 15.235740] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. [ 15.235742] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for resync. [ 15.235752] md: using 128k window, over a total of 2930111488k. [ 15.266826] kernel BUG at drivers/scsi/scsi_lib.c:1196! [ 15.272305] invalid opcode: 0000 [#1] SMP [ 15.276771] Modules linked in: acpi_cpufreq mperf coretemp kvm_intel kvm iTCO_wdt iTCO_vendor_support microcode pcspkr i2c_i801 ehci _pci i2c_core lpc_ich mfd_core evbug evdev ext4 crc16 jbd2 mbcache dm_mod raid456 async_raid6_recov async_memcpy async_pq async_xor asy nc_tx xor raid6_pq raid1 md_mod sg sd_mod usbhid crc32c_intel ide_pci_generic ide_core e1000e ata_piix ptp pps_core uhci_hcd ehci_hcd m pt2sas raid_class unix [ 15.318120] CPU: 6 PID: 1614 Comm: md1_raid6 Not tainted 3.10.0-rc4 #1 [ 15.324905] Hardware name: Supermicro X8DTL/X8DTL, BIOS 2.1a 12/30/2011 [ 15.332288] task: ffff88061eadc410 ti: ffff88061d1a2000 task.ti: ffff88061d1a2000 [ 15.340217] RIP: 0010:[<ffffffff812440b6>] [<ffffffff812440b6>] scsi_setup_fs_cmnd+0x48/0x90 [ 15.349271] RSP: 0018:ffff88061d1a3b48 EFLAGS: 00010046 [ 15.354828] RAX: 0000000000000000 RBX: ffff880621a3e000 RCX: 0000000000000002 [ 15.362217] RDX: 0000000000000001 RSI: ffff88061fd17530 RDI: ffff880621a3e000 [ 15.369598] RBP: ffff88061d1a3b58 R08: ffff880621b76b00 R09: ffff880621678c58 [ 15.376985] R10: ffff880621678c58 R11: 0000000000000000 R12: ffff88061fd17530 [ 15.384402] R13: 0000000000000008 R14: ffff88061fd9c800 R15: 0000000000001000 [ 15.391838] FS: 0000000000000000(0000) GS:ffff8806272c0000(0000) knlGS:0000000000000000 [ 15.400382] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 15.406375] CR2: 00007fda91b26d26 CR3: 0000000001595000 CR4: 00000000000007e0 [ 15.413761] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 15.421144] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 15.428530] Stack: [ 15.430788] ffff88061fd17530 000000002efbf980 ffff88061d1a3bd8 ffffffffa0139967 [ 15.438866] 0000000000000000 ffff880621b76b00[ 15.442789] usb 4-1: new low-speed USB device number 4 using uhci_hcd ffff88061d1a3ba8 ffffffff8119e9a1 [ 15.453782] ffff88061d1a3ba8 ffff88061f2d0000 ffff88061f2d0000 ffff880621a3e000 [ 15.461854] Call Trace: [ 15.464553] [<ffffffffa0139967>] sd_prep_fn+0x3bb/0xc76 [sd_mod] [ 15.470898] [<ffffffff8119e9a1>] ? deadline_remove_request.isra.4+0x7e/0x86 [ 15.478197] [<ffffffff8118de29>] blk_peek_request+0xdd/0x1d9 [ 15.484193] [<ffffffff8124396d>] scsi_request_fn+0x4a/0x51b [ 15.490102] [<ffffffff81189997>] __blk_run_queue+0x2e/0x38 [ 15.495929] [<ffffffff8118c4a4>] queue_unplugged+0x55/0x7d [ 15.501780] [<ffffffff8118e204>] blk_flush_plug_list+0x137/0x1b9 [ 15.508120] [<ffffffff8118e297>] blk_finish_plug+0x11/0x32 [ 15.513940] [<ffffffffa01d233a>] raid5d+0x370/0x3f3 [raid456] [ 15.520032] [<ffffffff81382c48>] ? schedule_timeout+0x24/0x19c [ 15.526200] [<ffffffffa016c568>] md_thread+0x11e/0x13c [md_mod] [ 15.532454] [<ffffffff810534ca>] ? abort_exclusive_wait+0x8a/0x8a [ 15.538891] [<ffffffffa016c44a>] ? md_register_thread+0xd0/0xd0 [md_mod] [ 15.545930] [<ffffffff81052b9a>] kthread+0xb5/0xbd [ 15.551059] [<ffffffff81052ae5>] ? kthread_freezable_should_stop+0x43/0x43 [ 15.558313] [<ffffffff8138c06c>] ret_ The backtrace is cut off at this point (the serial console is not always reliable). It dies every time. 3.9.0 is fine. /* Steinar */ -- Homepage: http://www.sesse.net/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/