apport information ** Attachment added: "ProcEnviron.txt" https://bugs.launchpad.net/bugs/1394032/+attachment/4263403/+files/ProcEnviron.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1394032 Title: Trusty isci module doesn't handle timeouts properly Status in “linux” package in Ubuntu: Confirmed Bug description: I'm currently running linux 3.13.0-39 on trusty with a disks plugged into an Intel C602 SATA/SAS controller. Occasionally, a timeout and/or SAS event (I'm not 100% sure which..) isn't handled properly ('Unhandled error code') and the kernel gets a bit upset. I have 12 different hosts with this controller and disk combination and all display the same behaviour (dmesg output): [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] command ffff8808434fa600 timed out [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] command ffff880843673d00 timed out [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] command ffff88105081bc00 timed out [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] command ffff88084378e100 timed out [Tue Nov 18 16:56:10 2014] sas: Enter sas_scsi_recover_host busy: 4 failed: 4 [Tue Nov 18 16:56:10 2014] sas: ata7: end_device-7:0: cmd error handler [Tue Nov 18 16:56:10 2014] sas: ata7: end_device-7:0: dev error handler [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] Unhandled error code [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] [Tue Nov 18 16:56:10 2014] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] CDB: [Tue Nov 18 16:56:10 2014] Write(10): 2a 00 04 9e 77 60 00 00 08 00 [Tue Nov 18 16:56:10 2014] end_request: I/O error, dev sdg, sector 77494112 [Tue Nov 18 16:56:10 2014] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 261733 (offset 0 size 0 starting block 5061868) [Tue Nov 18 16:56:10 2014] Buffer I/O error on device dm-2, logical block 5061868 [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] Unhandled error code [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] [Tue Nov 18 16:56:10 2014] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] CDB: [Tue Nov 18 16:56:10 2014] Write(10): 2a 00 04 0f d0 e0 00 00 08 00 [Tue Nov 18 16:56:10 2014] end_request: I/O error, dev sdg, sector 68145376 [Tue Nov 18 16:56:10 2014] EXT4-fs warning (device dm-2): ext4_end_bio:317: I/O error -5 writing to inode 261710 (offset 0 size 0 starting block 3893276) [Tue Nov 18 16:56:10 2014] Buffer I/O error on device dm-2, logical block 3893276 [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] Unhandled error code [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] [Tue Nov 18 16:56:10 2014] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] CDB: [Tue Nov 18 16:56:10 2014] Write(10): 2a 00 02 b8 a1 f8 00 00 08 00 [Tue Nov 18 16:56:10 2014] end_request: I/O error, dev sdg, sector 45654520 [Tue Nov 18 16:56:10 2014] Buffer I/O error on device dm-2, logical block 1081919 [Tue Nov 18 16:56:10 2014] lost page write due to I/O error on dm-2 [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] Unhandled error code [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] [Tue Nov 18 16:56:10 2014] Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT [Tue Nov 18 16:56:10 2014] sd 7:0:0:0: [sdg] CDB: [Tue Nov 18 16:56:10 2014] Write(10): 2a 00 02 b8 a1 58 00 00 08 00 [Tue Nov 18 16:56:10 2014] end_request: I/O error, dev sdg, sector 45654360 [Tue Nov 18 16:56:10 2014] Buffer I/O error on device dm-2, logical block 1081899 [Tue Nov 18 16:56:10 2014] lost page write due to I/O error on dm-2 [Tue Nov 18 16:56:10 2014] sas: --- Exit sas_scsi_recover_host: busy: 0 failed: 0 tries: 1 --- AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Nov 17 19:42 seq crw-rw---- 1 root audio 116, 33 Nov 17 19:42 timer AplayDevices: Error: [Errno 2] No such file or directory ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: Error: [Errno 2] No such file or directory DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=/dev/mapper/root-swap IwConfig: Error: [Errno 2] No such file or directory Lsusb: Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0557:2221 ATEN International Co., Ltd Winbond Hermon Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Supermicro X9DRT-PT Package: linux (not installed) PciMultimedia: ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-39-generic root=/dev/mapper/root-root ro console=tty0 console=ttyS1,115200n8 swapaccount=1 quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8 RelatedPackageVersions: linux-restricted-modules-3.13.0-39-generic N/A linux-backports-modules-3.13.0-39-generic N/A linux-firmware 1.127.8 RfKill: Error: [Errno 2] No such file or directory Tags: trusty Uname: Linux 3.13.0-39-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: WifiSyslog: _MarkForUpload: True dmi.bios.date: 05/06/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 3.0b dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: X9DRT-PT dmi.board.vendor: Supermicro dmi.board.version: 1.01 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 17 dmi.chassis.vendor: Supermicro dmi.chassis.version: 0123456789 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr3.0b:bd05/06/2014:svnSupermicro:pnX9DRT-PT:pvr0123456789:rvnSupermicro:rnX9DRT-PT:rvr1.01:cvnSupermicro:ct17:cvr0123456789: dmi.product.name: X9DRT-PT dmi.product.version: 0123456789 dmi.sys.vendor: Supermicro To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1394032/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp