Re: New panic in main-n253273-a52d8d4a6c6:
- In reply to: Rob Wing : "Re: New panic in main-n253273-a52d8d4a6c6:"
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Date: Tue, 22 Feb 2022 18:43:46 UTC
Hey Mike, Should be fixed in commit 0a2f498234023008d9a3b13ad7fc8fd81d384bab <https://cgit.freebsd.org/src/commit/?id=0a2f498234023008d9a3b13ad7fc8fd81d384bab> Thanks for the report -Rob On Mon, Feb 21, 2022 at 7:48 PM Rob Wing <rob.fx907@gmail.com> wrote: > Think that's it...thanks for testing for the patch. > > I opened up https://reviews.freebsd.org/D34335 for review. > > -Rob > > On Mon, Feb 21, 2022 at 6:05 PM Michael Jung < > mikej@paymentallianceintl.com> wrote: > >> Rob: >> >> >> >> I did not remove Hans earlier patch, but your “latest” patch applied and >> compiled with no errors. >> >> >> >> I can now watch and control a TTY (v0) or a SSH session (pts/1) without >> crashing. >> >> >> >> Anything else you would like me to try? >> >> >> >> --mikej >> >> >> >> >> >> *From:* Rob Wing [mailto:rob.fx907@gmail.com] >> *Sent:* Monday, February 21, 2022 9:30 PM >> *To:* Michael Jung <mikej@paymentallianceintl.com> >> *Cc:* Hans Petter Selasky <hps@selasky.org>; freebsd-current < >> freebsd-current@freebsd.org> >> *Subject:* Re: New panic in main-n253273-a52d8d4a6c6: >> >> >> >> The previous attached patch should work for testing purposes, but it's >> incorrect if an error occurs. >> >> >> >> The fhold() should be below FILEDESC_SUNLOCK(), this patch addresses that. >> >> >> >> On Mon, Feb 21, 2022 at 5:18 PM Rob Wing <rob.fx907@gmail.com> wrote: >> >> try the attached patch >> >> >> >> On Mon, Feb 21, 2022 at 5:14 PM Michael Jung < >> mikej@paymentallianceintl.com> wrote: >> >> >> >> >> >> >> >> CONFIDENTIALITY NOTE: This message is intended only for the use >> of the individual or entity to whom it is addressed and may >> contain information that is privileged, confidential, and >> exempt from disclosure under applicable law. If the reader >> of this message is not the intended recipient, you are hereby >> notified that any dissemination, distribution or copying >> of this communication is strictly prohibited. If you have >> received this transmission in error, please notify us by >> telephone at (502) 212-4000 or notify us at: PAI, Dept. 99, >> 2101 High Wickham Place, Suite 101, Louisville, KY 40245 >> >> >> *From:* Michael Jung >> *Sent:* Monday, February 21, 2022 9:06 PM >> *To:* 'Hans Petter Selasky' <hps@selasky.org>; freebsd-current < >> freebsd-current@freebsd.org> >> *Subject:* RE: New panic in main-n253273-a52d8d4a6c6: >> >> >> >> *From:* Hans Petter Selasky [mailto:hps@selasky.org <hps@selasky.org>] >> *Sent:* Monday, February 21, 2022 8:34 PM >> *To:* Michael Jung <mikej@paymentallianceintl.com>; freebsd-current < >> freebsd-current@freebsd.org> >> *Subject:* Re: New panic in main-n253273-a52d8d4a6c6: >> >> >> >> On 2/22/22 00:42, Michael Jung wrote: >> > Hi: >> > >> > I was trying to remember what I did that was odd when this crash >> occurred then it >> > hit me. You can repeat this panic by doing: >> > >> > # watch -I -W pts/0 >> > >> > Here is another panic that happened write after issuing "watch" for >> comparison. >> > >> > http://mail.mikej.com/core.txt.1 >> > >> > http://mail.mikej.com/info.1 >> > >> > http://mail.mikej.com/vmcore.1 >> > >> >> I also need your kernel and debug kernel to fully debug this. >> >> 1) Do ssh to machine. >> 2) watch -i -W pts/0 (does not panic over here) >> >> Can you explain what step 1 is? An scp ? >> >> Refcount is -1. >> f_count = 0xffffffff >> >> f_data = 0xfffff800158b0400 >> >> In your KGDB, can you enter: >> >> info 0xffffffff81b052d0 >> >> Does the attached patch make any difference? >> >> --HPS >> >> >> >> >> >> So sorry, yes step one, ssh to machine…. >> >> >> >> Even open a second console on the computer, no SSH and do “watch –I -W >> v0” it panics. >> >> >> >> Example of “watch –I –W v0” for comparison – kernel/kernel.full have not >> changed since .2 >> >> >> >> http://mail.mikej.com/core.txt.3 >> >> >> >> http://mail.mikej.com/info.3 >> >> >> >> http://mail.mikej.com/vmcore.3 >> >> >> >> >> >> >> >> >> >> *Disclaimer* >> >> The information contained in this communication from the sender is >> confidential. It is intended solely for use by the recipient and others >> authorized to receive it. If you are not the recipient, you are hereby >> notified that any disclosure, copying, distribution or taking action in >> relation of the contents of this information is strictly prohibited and may >> be unlawful. >> >> This email has been scanned for viruses and malware, and may have been >> automatically archived by Mimecast, a leader in email security and cyber >> resilience. Mimecast integrates email defenses with brand protection, >> security awareness training, web security, compliance and other essential >> capabilities. Mimecast helps protect large and small organizations from >> malicious activity, human error and technology failure; and to lead the >> movement toward building a more resilient world. To find out more, visit >> our website. >> >> >> >> *Disclaimer* >> >> The information contained in this communication from the sender is >> confidential. It is intended solely for use by the recipient and others >> authorized to receive it. If you are not the recipient, you are hereby >> notified that any disclosure, copying, distribution or taking action in >> relation of the contents of this information is strictly prohibited and may >> be unlawful. >> >> This email has been scanned for viruses and malware, and may have been >> automatically archived by Mimecast, a leader in email security and cyber >> resilience. Mimecast integrates email defenses with brand protection, >> security awareness training, web security, compliance and other essential >> capabilities. Mimecast helps protect large and small organizations from >> malicious activity, human error and technology failure; and to lead the >> movement toward building a more resilient world. To find out more, visit >> our website. >> >