** Summary changed: - isci 1.1.0 doesn't handle timeouts properly + Trusty isci module doesn't handle timeouts properly
-- 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: Incomplete 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 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
