[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-06-02 Thread Jitendra Sayanekar
Hi Guilherme, We have started doing focused long-run, performance, stress testing on multiple setups. This is expected to take more than a month time. So based on the internal discussion, we request to keep this bug open until July end. Please let me know if you have any concerns. Regards

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-05-20 Thread Jitendra Sayanekar
Hi Guilherme, I am doing good. Thank you. About the bug, I am still trying to reproduce it. Because of some other issues I could not get to the number of test cycles after which this bug reproduce. Now, I am working on two different setups to reproduce this. I suggest to wait until mid next

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-04-21 Thread Jitendra Sayanekar
Hi Guilherme, Quick update on this, test is still running and haven't seen kernel panic so far. I will keep it running for few more days. Regards Jitendra -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-04-12 Thread Jitendra Sayanekar
Hi Guilherme, I have configured kdump, enabled "/proc/sys/kernel/hung_task_panic" and started the test. Observed couple of test failures but those are unrelated. Will keep monitoring setup and update you as soon as I hit repro. Jitendra -- You received this bug notification because you are a

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-03-31 Thread Jitendra Sayanekar
Thanks Guilherme for the details to setup KDUMP. I tried these steps on Ubuntu VM (just to ensure I don't mess up with physical setup) and but landed into some issues. I am still working on to configure KDUMP and repro the issue. Will keep you posted as things progress. Regards Jitendra -- You

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-03-17 Thread Jitendra Sayanekar
Thank you so much for the update, Guilherme. I can surely try to reproduce issue again to collect kdump, Please share the configuration setting for kdump. One question, Is there anything more that can be captured from the current repro setup? If not, then I will repurpose the same setup.

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-03-16 Thread Jitendra Sayanekar
Hi Guilherme, Sorry to bother you again. Just thought of checking with you if you have any update on below, 1. Are you able to repro issue at your end? 2. Were you able to confirm if its a lock issue? Thanks Jitendra -- You received this bug notification because you are a member of Ubuntu

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-03-10 Thread Jitendra Sayanekar
Thank you Guilherme for the response and taking time to look at this. Thought of checking with you, if there is any further update on reproducing issue at your end? or need more information from the repro setup that I have? Regards Jitendra -- You received this bug notification because you

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-03-02 Thread Jitendra Sayanekar
** Attachment added: "Output of dmesg > /root/dmesg.l" https://bugs.launchpad.net/ubuntu/+source/open-iscsi/+bug/1914456/+attachment/5472103/+files/dmesg.l -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-03-02 Thread Jitendra Sayanekar
** Attachment added: "Output of dmesg -c > /root/dmesg.out" https://bugs.launchpad.net/ubuntu/+source/open-iscsi/+bug/1914456/+attachment/5472100/+files/dmesg.out -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-03-02 Thread Jitendra Sayanekar
Following command failed root# echo w > /proc/sysrq bash: /proc/sysrq: No such file or directory So tried below command and it worked, root# echo w > /proc/sysrq-trigger ** Attachment added: "Output of dmesg > /root/dmesg.w"

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-03-02 Thread Jitendra Sayanekar
Hey Guilherme, Please find below response, (#a) We are using Cisco Hyperflex iSCSI storage. Following link has more details about it. https://www.cisco.com/c/en/us/td/docs/hyperconverged_systems/HyperFlex_HX_DataPlatformSoftware/AdminGuide/4-5/b-hxdp-admin-guide-4-5/m-hxdp-iscsi-manage.html

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-02-24 Thread Jitendra Sayanekar
Hi Guilherme, Please find attachment containing output of commands, "dmesg", "lspci -vvv", "lsblk", "ls -l /sys/block", "mount". Also please note that Ubuntu host is running in a virtualized environment. ** Attachment added: "cmd_output.txt"

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-02-23 Thread Jitendra Sayanekar
Hi Guilherme, Here is the update from my side. 1. sosreport command hung at below message, Setting up archive ... Setting up plugins ... Running plugins. Please wait ... Finishing plugins [Running: block btrfs]

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-02-22 Thread Jitendra Sayanekar
Hi Guilherme, There is some confidential data present in sosreport and it is scattered all over the place. So team is evaluating if .xz file can be sanitize. Meanwhile, Can you please let me know, specific information that I can extract from the system to share with you? -- You received this

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-02-22 Thread Jitendra Sayanekar
Thanks for the response Guilherme. I will work with my team to see if there is anything specific that needs to be filter out. Will provide you an update soon. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1914456] Re: 120 sec kernel timeout is seen during SCSI remove_device.

2021-02-09 Thread Jitendra Sayanekar
Just for reference, Following command is used to delete SCSI device. echo "1" >> /sys/block//device/delete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1914456 Title: 120 sec kernel timeout is

[Bug 1914456] [NEW] 120 sec kernel timeout is seen during SCSI remove_device.

2021-02-03 Thread Jitendra Sayanekar
Private bug reported: Ubuntu Release -- #lsb_release -rd Description:Ubuntu 18.04.5 LTS Release:18.04 #cat /proc/version_signature Ubuntu 4.15.0-122.124-generic 4.15.18 Package version --- #apt-cache policy open-iscsi open-iscsi: Installed: