Hi, I'm finished with the bisect and the following commit will fix this issue:
dc45708ca9988656d706940df5fd102672c5de92 [storvsc: Set the SRB flags correctly when no data transfer is needed] Looks like we'll want to include this patch. Here's the rest of my bisect log, in case you're interested: # bad: [ba155e2d21f6bf05de86a78dbe5bfd8757604a65] Linux 4.1-rc5 # good: [e26081808edadfd257c6c9d81014e3b25e9a6118] Linux 4.1-rc4 git bisect start 'v4.1-rc5' 'v4.1-rc4' # good: [1d82b0baf9abd59ae6f53f3102f4e442043763a4] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input git bisect good 1d82b0baf9abd59ae6f53f3102f4e442043763a4 # good: [0b6280c62026168f79ff4dd1437df131bdfd24f2] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net git bisect good 0b6280c62026168f79ff4dd1437df131bdfd24f2 # good: [b0f155ada4c819f06aa32b4c906e7e76350c7ec1] drm/exynos: dp: Lower level of EDID read success message git bisect good b0f155ada4c819f06aa32b4c906e7e76350c7ec1 # good: [7ce14f6ff26460819345fe8495cf2dd6538b7cdc] Merge branch 'for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs git bisect good 7ce14f6ff26460819345fe8495cf2dd6538b7cdc # good: [c5db6a3bdeb72f4238e1faefa4ce4eab7a64baea] Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip git bisect good c5db6a3bdeb72f4238e1faefa4ce4eab7a64baea # bad: [74856fbf441929918c49ff262ace9835048e4e6a] sd: Disable support for 256 byte/sector disks git bisect bad 74856fbf441929918c49ff262ace9835048e4e6a # bad: [8b2564ec7410928639db5c09a34d7d8330f1d759] lpfc: Fix breakage on big endian kernels git bisect bad 8b2564ec7410928639db5c09a34d7d8330f1d759 # bad: [dc45708ca9988656d706940df5fd102672c5de92] storvsc: Set the SRB flags correctly when no data transfer is needed git bisect bad dc45708ca9988656d706940df5fd102672c5de92 # first bad commit: [dc45708ca9988656d706940df5fd102672c5de92] storvsc: Set the SRB flags correctly when no data transfer is needed -- 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/1439780 Title: [Hyper-V] Fiber Channel critical target error Status in linux package in Ubuntu: Confirmed Bug description: System details: Linux version 3.19.0-11-generic (apw@gloin) (gcc version 4.9.2 (Ubuntu 4.9.2-10ubuntu12) ) #11~lp1423343v201503311833 SMP Tue Mar 31 17:40:01 UTC 2015 (Ubuntu 3.19.0-11.11~lp1423343v201503311833-generic 3.19.3) Ubuntu 3.19.0-11 Ubuntu Vivid 15.04 64bit custom kernel Platform: WS2012R2 Using a fiber channel disk partition ( dev/sde1 in this example) outputs the following error: [ 1307.744496] blk_update_request: critical target error, dev sde, sector 0 [ 1396.052488] blk_update_request: critical target error, dev sde, sector 0 [ 1456.216570] blk_update_request: critical target error, dev sde, sector 0 Creating a partition works, reading too, but first time writing it hangs for around 20 seconds and after a couple more writes the partition goes into read-only mode: #echo "test1" > test1.txt *hangs for 30 seconds* blk_update_request: critical target error, dev sde, sector 0 # echo "test2" > test2.txt blk_update_request: critical target error, dev sde, sector 289671192 Aborting journal on device sde1-8. EXT4-fs error (device sde1): ext4_journal_check_start:56: Detected aborted journal EXT4-fs (sde1): Remounting filesystem read-only # echo "test string" > sample.txt -bash: sample.txt: Read-only file system Dmesg log: [ 461.284362] blk_update_request: critical target error, dev sde, sector 0 [ 484.845659] EXT4-fs (sde1): mounted filesystem with ordered data mode. Opts: (null) [ 548.988377] blk_update_request: critical target error, dev sde, sector 0 [ 609.216340] blk_update_request: critical target error, dev sde, sector 289671192 [ 609.221812] Aborting journal on device sde1-8. [ 612.237503] EXT4-fs error (device sde1): ext4_journal_check_start:56: Detected aborted journal [ 612.249529] EXT4-fs (sde1): Remounting filesystem read-only Additional info: cat /proc/version_signature Ubuntu 3.19.0-11.11~lp1423343v201503311833-generic 3.19.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1439780/+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
