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["Brian J. Murrell" <brian@xxxxxxxxxxxxxxx>]

# dpkg -i linux-image-4.6.0-040600rc4-generic_4.6.0-040600rc4.201604172330_amd64.deb
(Reading database ... 84773 files and directories currently installed.)
Unpacking linux-image-4.6.0-040600rc4-generic (from .../linux-image-4.6.0-040600rc4-generic_4.6.0-040600rc4.201604172330_amd64.deb) ...
Done.
dpkg: dependency problems prevent configuration of linux-image-4.6.0-040600rc4-generic:
 linux-image-4.6.0-040600rc4-generic depends on kmod; however:
  Package kmod is not installed.
dpkg: error processing linux-image-4.6.0-040600rc4-generic (--install):
 dependency problems - leaving unconfigured
Errors were encountered while processing:
 linux-image-4.6.0-040600rc4-generic
# apt-get install kmod
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package kmod is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

N: Ignoring 'bak' in directory '/etc/apt/sources.list.d/' as it is not a regular file
N: Ignoring 'bak' in directory '/etc/apt/sources.list.d/' as it is not a regular file
N: Ignoring 'bak' in directory '/etc/apt/sources.list.d/' as it is not a regular file
E: Package 'kmod' has no installation candidate

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https://bugs.launchpad.net/bugs/1568830

Title:
  make_request bug: can't convert block across chunks or bigger than
  512k 2554601336 124

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have a couple of RAID arrays with the following configuration:

  /dev/md1:
          Version : 1.2
    Creation Time : Sat Dec 26 19:49:41 2015
       Raid Level : raid0
       Array Size : 1953524736 (1863.03 GiB 2000.41 GB)
     Raid Devices : 2
    Total Devices : 2
      Persistence : Superblock is persistent

      Update Time : Sat Dec 26 19:49:41 2015
            State : clean
   Active Devices : 2
  Working Devices : 2
   Failed Devices : 0
    Spare Devices : 0

       Chunk Size : 512K

             Name : linux.interlinx.bc.ca:1  (local to host linux.interlinx.bc.ca)
             UUID : f27ae74d:e2997e50:9df158ee:c5ed3cbb
           Events : 0

      Number   Major   Minor   RaidDevice State
         0       8       16        0      active sync   /dev/sdb
         1       8       32        1      active sync   /dev/sdc

  /dev/md0:
          Version : 0.90
    Creation Time : Mon Jan 26 19:51:38 2009
       Raid Level : raid1
       Array Size : 1953514496 (1863.02 GiB 2000.40 GB)
    Used Dev Size : 1953514496 (1863.02 GiB 2000.40 GB)
     Raid Devices : 2
    Total Devices : 2
  Preferred Minor : 0
      Persistence : Superblock is persistent

      Update Time : Fri Apr  8 00:00:42 2016
            State : active, degraded
   Active Devices : 1
  Working Devices : 1
   Failed Devices : 1
    Spare Devices : 0

             UUID : 2f8fc5e0:a0eb646a:2303d005:33f25f21
           Events : 0.5031387

      Number   Major   Minor   RaidDevice State
         0       8       48        0      active sync   /dev/sdd
         1       0        0        1      removed

         2       9        1        -      faulty spare   /dev/md1

  This configuration has worked for a number of years but has all of a
  sudden started breaking with:

  [37722.335880] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554601336 124
  [37722.335887] md/raid1:md0: md1: rescheduling sector 2554601336
  [37722.376776] md/raid1:md0: redirecting sector 2554601336 to other mirror: md1
  [37722.386455] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554601336 124
  [37722.386461] md/raid1:md0: md1: rescheduling sector 2554601336
  [37722.412059] md/raid1:md0: redirecting sector 2554601336 to other mirror: sdd
  [37722.735049] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554608496 124
  [37722.735056] md/raid1:md0: md1: rescheduling sector 2554608496
  [37722.789926] md/raid1:md0: redirecting sector 2554608496 to other mirror: md1
  [37722.798689] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554608496 124
  [37722.798696] md/raid1:md0: md1: rescheduling sector 2554608496
  [37722.859314] md/raid1:md0: redirecting sector 2554608496 to other mirror: sdd
  [37724.819090] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 2554606584 12
  [37724.819096] md/raid1:md0: md1: rescheduling sector 2554606584
  [37727.455279] md/raid1:md0: redirecting sector 2554606584 to other mirror: sdd
  [37752.406865] md/raid0:md1: make_request bug: can't convert block across chunks or bigger than 512k 1748150224 124
  [37752.521219] md/raid1:md0: Disk failure on md1, disabling device.
  [37752.521222] md/raid1:md0: Operation continuing on 1 devices.
  [37752.580186] RAID1 conf printout:
  [37752.580190]  --- wd:1 rd:2
  [37752.580194]  disk 0, wo:0, o:1, dev:sdd
  [37752.580197]  disk 1, wo:1, o:0, dev:md1
  [37752.580199] RAID1 conf printout:
  [37752.580201]  --- wd:1 rd:2
  [37752.580203]  disk 0, wo:0, o:1, dev:sdd
  [37752.580228] BUG: unable to handle kernel paging request at 000000001dff2107
  [37752.584011] IP: [<ffffffffa001909a>] close_write+0x6a/0xa0 [raid1]
  [37752.584011] PGD 20f667067 PUD 20f669067 PMD 0 
  [37752.584011] Oops: 0000 [#1] SMP 
  [37752.584011] CPU 0 
  [37752.584011] Modules linked in: iptable_mangle iptable_filter ipt_MASQUERADE xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables autofs4 nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm radeon snd_seq_midi ttm drm_kms_helper snd_rawmidi ftdi_sio snd_seq_midi_event snd_seq snd_timer drm ppdev snd_seq_device pl2303 usbserial serio_raw i2c_algo_bit mac_hid asus_atk0110 snd parport_pc parport soundcore snd_page_alloc edac_core edac_mce_amd i2c_piix4 k8temp shpchp 8021q garp stp pata_atiixp r8169 raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 multipath linear
  [37752.584011] 
  [37752.584011] Pid: 267, comm: md0_raid1 Not tainted 3.2.0-101-generic #141-Ubuntu System manufacturer System Product Name/M2A-VM
  [37752.584011] RIP: 0010:[<ffffffffa001909a>]  [<ffffffffa001909a>] close_write+0x6a/0xa0 [raid1]
  [37752.584011] RSP: 0018:ffff88020def9dc0  EFLAGS: 00010246
  [37752.584011] RAX: 000000001dff1dff RBX: ffff88020e380108 RCX: 00000000e8e08784
  [37752.584011] RDX: 00000000687249a8 RSI: 0000000000000002 RDI: ffff88020e380108
  [37752.584011] RBP: ffff88020def9dd0 R08: 00000000e8e08784 R09: 000000000000036b
  [37752.584011] R10: dead000000100100 R11: dead000000200200 R12: ffff88020e36b800
  [37752.584011] R13: ffff88020e380100 R14: ffff88020e380130 R15: ffff88020e380108
  [37752.584011] FS:  00007f8e0a353740(0000) GS:ffff88021fc00000(0000) knlGS:00000000f75586c0
  [37752.584011] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  [37752.584011] CR2: 000000001dff2107 CR3: 000000020f61e000 CR4: 00000000000006f0
  [37752.584011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [37752.584011] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  [37752.584011] Process md0_raid1 (pid: 267, threadinfo ffff88020def8000, task ffff88020e2eae00)
  [37752.584011] Stack:
  [37752.584011]  ffff88020def9e20 ffff88020e36b800 ffff88020def9e60 ffffffffa001cbe5
  [37752.584011]  ffff88020e380140 ffff880044dbd800 0000000091827364 ffff88020def9df8
  [37752.584011]  ffff88020def9df8 ffff88020def9e08 ffff88020def9e08 ffff880200000000
  [37752.584011] Call Trace:
  [37752.584011]  [<ffffffffa001cbe5>] raid1d+0x2a5/0x2b0 [raid1]
  [37752.584011]  [<ffffffff814f0f9e>] md_thread+0x11e/0x170
  [37752.584011]  [<ffffffff8108c650>] ? add_wait_queue+0x60/0x60
  [37752.584011]  [<ffffffff814f0e80>] ? md_rdev_init+0x130/0x130
  [37752.584011]  [<ffffffff8108bbac>] kthread+0x8c/0xa0
  [37752.584011]  [<ffffffff816746b4>] kernel_thread_helper+0x4/0x10
  [37752.584011]  [<ffffffff8108bb20>] ? flush_kthread_worker+0xa0/0xa0
  [37752.584011]  [<ffffffff816746b0>] ? gs_change+0x13/0x13
  [37752.584011] Code: e4 48 8b 53 48 75 de 48 89 d7 e8 e2 cd 14 e1 48 c7 43 48 00 00 00 00 4c 8b 43 18 48 8b 43 20 48 8b 4b 18 48 63 53 10 48 8b 73 08 <48> 8b b8 08 03 00 00 49 c1 e8 03 48 c1 e9 02 41 83 e0 01 83 e1 
  [37752.584011] RIP  [<ffffffffa001909a>] close_write+0x6a/0xa0 [raid1]
  [37752.584011]  RSP <ffff88020def9dc0>
  [37752.584011] CR2: 000000001dff2107
  [37752.889674] ---[ end trace 276f024e11aa62ac ]---

  This being a broken array now makes this a rather dire and dangerous
  situation.  Please advise ASAP.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-101-generic 3.2.0-101.141
  ProcVersionSignature: Ubuntu 3.2.0-101.141-generic 3.2.76
  Uname: Linux 3.2.0-101-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.0.1-0ubuntu17.13
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D2c', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  BootDmesg: (Nothing has been logged yet.)
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info: Error: [Errno 2] No such file or directory
  Card0.Amixer.values: Error: [Errno 2] No such file or directory
  Date: Mon Apr 11 08:17:39 2016
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  Lspci: Error: [Errno 2] No such file or directory
  MachineType: System manufacturer System Product Name
  MarkForUpload: True
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-101-generic root=/dev/mapper/rootvol-ubuntu_root ro console=ttyS0,115200 console=tty0
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-101-generic N/A
   linux-backports-modules-3.2.0-101-generic  N/A
   linux-firmware                             1.79.18
  RfKill: Error: [Errno 2] No such file or directory
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/28/2008
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: ASUS M2A-VM ACPI BIOS Revision 1705
  dmi.board.name: M2A-VM
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 1.XX
  dmi.chassis.asset.tag: 123456789000
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2A-VMACPIBIOSRevision1705:bd03/28/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2A-VM:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.0.1-0ubuntu17.13
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D1p', '/dev/snd/pcmC0D2c', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  BootDmesg: (Nothing has been logged yet.)
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info: Error: [Errno 2] No such file or directory
  Card0.Amixer.values: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 12.04
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  Lspci: Error: [Errno 2] No such file or directory
  MachineType: System manufacturer System Product Name
  MarkForUpload: True
  Package: linux 3.2.0.101.117
  PackageArchitecture: amd64
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-101-generic root=/dev/mapper/rootvol-ubuntu_root ro console=ttyS0,115200 console=tty0
  ProcVersionSignature: Ubuntu 3.2.0-101.141-generic 3.2.76
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-101-generic N/A
   linux-backports-modules-3.2.0-101-generic  N/A
   linux-firmware                             1.79.18
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  precise
  Uname: Linux 3.2.0-101-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  dmi.bios.date: 03/28/2008
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: ASUS M2A-VM ACPI BIOS Revision 1705
  dmi.board.name: M2A-VM
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 1.XX
  dmi.chassis.asset.tag: 123456789000
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2A-VMACPIBIOSRevision1705:bd03/28/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2A-VM:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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