Date: Thu, 31 Aug 2023 16:40:23 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Warner Losh <imp@bsdimp.com> Cc: Cy Schubert <Cy.Schubert@cschubert.com>, Alexander Motin <mav@freebsd.org>, Gleb Smirnoff <glebius@freebsd.org>, Drew Gallatin <gallatin@freebsd.org>, Martin Matuska <mm@freebsd.org>, src-committers <src-committers@freebsd.org>, "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, "<dev-commits-src-main@freebsd.org>" <dev-commits-src-main@freebsd.org> Subject: Re: git: 315ee00fa961 - main - zfs: merge openzfs/zfs@804414aad Message-ID: <20230831234023.917DFAB@slippy.cwsent.com> In-Reply-To: <CANCZdfqLWoQnLkKcLYLa73WOKDOAEfXB2rQX869Qaaqv6z=gKA@mail.gmail.com> References: <202308270509.37R596B5048298@gitrepo.freebsd.org> <ZO_aOaf-eGiCMCKy@cell.glebi.us> <c09c92df-90f5-8c94-4125-9e33262bc686@FreeBSD.org> <07faf861-9186-47d1-992a-91d483ea4e9c@app.fastmail.com> <1db726d4-32c9-e1b8-51d6-981aa51b7825@FreeBSD.org> <20230831175350.981F1D5@slippy.cwsent.com> <a5c51f3f-8c7f-8bd5-f718-72bc33fe22ed@FreeBSD.org> <20230831223526.DCB701A1@slippy.cwsent.com> <20230831233228.9935BA8@slippy.cwsent.com> <CANCZdfqLWoQnLkKcLYLa73WOKDOAEfXB2rQX869Qaaqv6z=gKA@mail.gmail.com>
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In message <CANCZdfqLWoQnLkKcLYLa73WOKDOAEfXB2rQX869Qaaqv6z=gKA@mail.gmail.c om> , Warner Losh writes: > On Thu, Aug 31, 2023, 5:32 PM Cy Schubert <Cy.Schubert@cschubert.com> wrote= > : > > > In message <20230831223526.DCB701A1@slippy.cwsent.com>, Cy Schubert > > writes: > > > In message <a5c51f3f-8c7f-8bd5-f718-72bc33fe22ed@FreeBSD.org>, > > Alexander > > > Motin > > > writes: > > > > On 31.08.2023 13:53, Cy Schubert wrote: > > > > > One thing that circumvents my two problems is reducing poudriere > > bulk job > > > s > > > > > from 8 to 5 on my 4 core machines. > > > > > > > > Cy, I have no real evidences to think it is related, other than your > > > > panics look like some memory corruptions, but could you try is patch: > > > > https://github.com/openzfs/zfs/pull/15228 . If it won't do the > > trick, > > > > then I am out of ideas without additional input. > > > > > > So far so good. Poudriere has been running with a decent -J jobs on bot= > h > > > machines for over an hour. I'll let you know if they survive the night. > > It > > > can take some time before the panics happen though. > > > > > > The problem is more likely to occur when there are a lot of small > > package > > > builds than large long running jobs, probably because of the parallel > > ZFS > > > dataset creations, deletions, and rollbacks. > > > > > > > > > > > Gleb, you may try to add this too, just as a choice between impossibl= > e > > > > and improbable. > > > > > > > > -- > > > > Alexander Motin > > > > > > > > > -- > > > Cheers, > > > Cy Schubert <Cy.Schubert@cschubert.com> > > > FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org > > > NTP: <cy@nwtime.org> Web: https://nwtime.org > > > > > > e^(i*pi)+1=3D0 > > > > > > > > > > One of the two machines is hung. > > > > cwfw# ping bob > > PING bob (10.1.1.7): 56 data bytes > > ^C > > --- bob ping statistics --- > > 2 packets transmitted, 0 packets received, 100.0% packet loss > > cwfw# console bob > > [Enter `^Ec?' for help] > > [halt sent] > > KDB: enter: Break to debugger > > [ thread pid 31259 tid 100913 ] > > Stopped at kdb_break+0x48: movq $0,0xa1069d(%rip) > > db> bt > > Tracing pid 31259 tid 100913 td 0xfffffe00c4eca000 > > kdb_break() at kdb_break+0x48/frame 0xfffffe00c53ef2d0 > > uart_intr() at uart_intr+0xf7/frame 0xfffffe00c53ef310 > > intr_event_handle() at intr_event_handle+0x12b/frame 0xfffffe00c53ef380 > > intr_execute_handlers() at intr_execute_handlers+0x63/frame > > 0xfffffe00c53ef3b0 > > Xapic_isr1() at Xapic_isr1+0xdc/frame 0xfffffe00c53ef3b0 > > --- interrupt, rip =3D 0xffffffff806d5c70, rsp =3D 0xfffffe00c53ef480, rb= > p =3D > > 0xfffffe00c53ef480 --- > > getbinuptime() at getbinuptime+0x30/frame 0xfffffe00c53ef480 > > arc_access() at arc_access+0x250/frame 0xfffffe00c53ef4d0 > > arc_buf_access() at arc_buf_access+0xd0/frame 0xfffffe00c53ef4f0 > > dbuf_hold_impl() at dbuf_hold_impl+0xf3/frame 0xfffffe00c53ef580 > > dbuf_hold() at dbuf_hold+0x25/frame 0xfffffe00c53ef5b0 > > dnode_hold_impl() at dnode_hold_impl+0x194/frame 0xfffffe00c53ef670 > > dmu_bonus_hold() at dmu_bonus_hold+0x20/frame 0xfffffe00c53ef6a0 > > zfs_zget() at zfs_zget+0x20d/frame 0xfffffe00c53ef750 > > zfs_dirent_lookup() at zfs_dirent_lookup+0x16d/frame 0xfffffe00c53ef7a0 > > zfs_dirlook() at zfs_dirlook+0x7f/frame 0xfffffe00c53ef7d0 > > zfs_lookup() at zfs_lookup+0x3c0/frame 0xfffffe00c53ef8a0 > > zfs_freebsd_cachedlookup() at zfs_freebsd_cachedlookup+0x67/frame > > 0xfffffe00c53ef9e0 > > vfs_cache_lookup() at vfs_cache_lookup+0xa6/frame 0xfffffe00c53efa30 > > vfs_lookup() at vfs_lookup+0x457/frame 0xfffffe00c53efac0 > > namei() at namei+0x2e1/frame 0xfffffe00c53efb20 > > vn_open_cred() at vn_open_cred+0x505/frame 0xfffffe00c53efca0 > > kern_openat() at kern_openat+0x287/frame 0xfffffe00c53efdf0 > > ia32_syscall() at ia32_syscall+0x156/frame 0xfffffe00c53eff30 > > int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xffff89dc > > db> > > > > I'll let it continue. Hopefully the watchdog timer will pop and we get a > > dump. > > > > > Might also be interesting to see if this moves around or is really hung > getting the time. I suspect it's live lock given this traceback. It's moving around. db> c [halt sent] KDB: enter: Break to debugger [ thread pid 31259 tid 100913 ] Stopped at kdb_break+0x48: movq $0,0xa1069d(%rip) db> bt Tracing pid 31259 tid 100913 td 0xfffffe00c4eca000 kdb_break() at kdb_break+0x48/frame 0xfffffe00c53ef410 uart_intr() at uart_intr+0xf7/frame 0xfffffe00c53ef450 intr_event_handle() at intr_event_handle+0x12b/frame 0xfffffe00c53ef4c0 intr_execute_handlers() at intr_execute_handlers+0x63/frame 0xfffffe00c53ef4f0 Xapic_isr1() at Xapic_isr1+0xdc/frame 0xfffffe00c53ef4f0 --- interrupt, rip = 0xffffffff807117c4, rsp = 0xfffffe00c53ef5c0, rbp = 0xfffffe00c53ef5c0 --- lock_delay() at lock_delay+0x14/frame 0xfffffe00c53ef5c0 _sx_xlock_hard() at _sx_xlock_hard+0x1a9/frame 0xfffffe00c53ef660 _sx_xlock() at _sx_xlock+0xb0/frame 0xfffffe00c53ef6a0 zfs_zget() at zfs_zget+0x1fa/frame 0xfffffe00c53ef750 zfs_dirent_lookup() at zfs_dirent_lookup+0x16d/frame 0xfffffe00c53ef7a0 zfs_dirlook() at zfs_dirlook+0x7f/frame 0xfffffe00c53ef7d0 zfs_lookup() at zfs_lookup+0x3c0/frame 0xfffffe00c53ef8a0 zfs_freebsd_cachedlookup() at zfs_freebsd_cachedlookup+0x67/frame 0xfffffe00c53ef9e0 vfs_cache_lookup() at vfs_cache_lookup+0xa6/frame 0xfffffe00c53efa30 vfs_lookup() at vfs_lookup+0x457/frame 0xfffffe00c53efac0 namei() at namei+0x2e1/frame 0xfffffe00c53efb20 vn_open_cred() at vn_open_cred+0x505/frame 0xfffffe00c53efca0 kern_openat() at kern_openat+0x287/frame 0xfffffe00c53efdf0 ia32_syscall() at ia32_syscall+0x156/frame 0xfffffe00c53eff30 int0x80_syscall_common() at int0x80_syscall_common+0x9c/frame 0xffff89dc db> c -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org NTP: <cy@nwtime.org> Web: https://nwtime.org e^(i*pi)+1=0
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