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Date:      Sun, 23 Aug 2015 23:23:45 -0700
From:      bob prohaska <fbsd@www.zefox.net>
To:        Warner Losh <imp@bsdimp.com>
Cc:        freebsd-arm@freebsd.org
Subject:   Re: Crash during installworld on RPI2
Message-ID:  <20150824062345.GD53136@www.zefox.net>
In-Reply-To: <CANCZdfpz5vH6xfsSAziANVzrMuXqwrx=znOJx20-mJEW7p2g_g@mail.gmail.com>
References:  <20150824023341.GA53136@www.zefox.net> <CANCZdfpz5vH6xfsSAziANVzrMuXqwrx=znOJx20-mJEW7p2g_g@mail.gmail.com>

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Is there anything I could do that might be more informative?
The smsc0 warnings are common and only infrequently  associated 
with a crash. So far trips to the debugger have only come on
writing to the DOS partition of the microSD card.

Thanks for reading,

bob prohaska
 



On Sun, Aug 23, 2015 at 09:45:45PM -0600, Warner Losh wrote:
> Short interpretation:
> 
> mmcsd0 had a timeout. It seems to have gone silent. upper layers of the
> storage system didn't take kindly to this and paniced. Need to figure out
> what's going on with the mmcsd to find out why the timeouts.
> 
> Warner
> 
> On Sun, Aug 23, 2015 at 8:33 PM, bob prohaska <fbsd@www.zefox.net> wrote:
> 
> > For the third time in about as many weeks 11-Current has crashed during
> > installworld.
> > This represents about one in five tries. In every case the crash is
> > triggered by
> > writing to the DOS partition of the microSD card. The latest instance is at
> >
> > FreeBSD www.zefox.org 11.0-CURRENT FreeBSD 11.0-CURRENT #40 r287009M: Sat
> > Aug 22 07:48:40 PDT 2015     bob@www.zefox.org:/usr/obj/usr/src/sys/RPI2
> > arm
> >
> > All three crashes have been preceeded by a stream of warnings similar to
> > smsc0: warning: MII read timeout
> > smsc0: warning: Failed to read register 0x114
> > smsc0: warning: MII is busy
> > smsc0: warning: Failed to write register 0x114
> > smsc0: warning: Failed to write register 0x114
> > usually starting during buildworld and not always crashing; most attempts
> > succeed.
> >
> > The kernel config is default, /etc/fstab contains
> > /dev/mmcsd0s1   /boot/msdos     msdosfs rw,noatime      0 0
> > /dev/mmcsd0s2a  /               ufs rw,noatime          1 1
> > #md             /tmp            mfs rw,noatime,-s50m    0 0
> > #md             /var/log        mfs rw,noatime,-s15m    0 0
> > #md             /var/tmp        mfs rw,noatime,-s5m     0 0
> > /dev/da0p4      /tmp            ufs rw,noatime          0 0
> > /dev/da0p3      /usr            ufs rw,noatime,late,failok              1 2
> > /dev/da0p2      none            swap    sw                              0 0
> > /dev/da0p1      /var            ufs rw,noatime          0 0
> >
> > mmcsd0 is a Sandisk Ultra 8 GB class 10 microSD card, da0 is an old 32GB
> > ATA drive in a usb2.0 enclosure.
> >
> > The end of the console output and backtrace follow. I'm not skilled enough
> > to
> > interpret the output but I hope it's of use to others.
> >
> > smsc0: warning: MII read timeout
> > smsc0: warning: Failed to read register 0x114
> > smsc0: warning: MII is busy
> > smsc0: warning: Failed to write register 0x114
> > smsc0: warning: Failed to write register 0x114
> > sdhci_bcm0-slot0:  Controller timeout
> > sdhci_bcm0-slot0: ============== REGISTER DUMP ==============
> > sdhci_bcm0-slot0: Sys addr: 0x02148a00 | Version:  0x00009902
> > sdhci_bcm0-slot0: Blk size: 0x00000200 | Blk cnt:  0x00000096
> > sdhci_bcm0-slot0: Argument: 0x001730c0 | Trn mode: 0x0000193a
> > sdhci_bcm0-slot0: Present:  0x01ff0506 | Host ctl: 0x00000003
> > sdhci_bcm0-slot0: Power:    0x0000000f | Blk gap:  0x00000000
> > sdhci_bcm0-slot0: Wake-up:  0x00000000 | Clock:    0x00000307
> > sdhci_bcm0-slot0: Timeout:  0x0000000e | Int stat: 0x00000010
> > sdhci_bcm0-slot0: Int enab: 0x01ff00fb | Sig enab: 0x01ff00fb
> > sdhci_bcm0-slot0: AC12 err: 0x00000000 | Slot int: 0x00000001
> > sdhci_bcm0-slot0: Caps:     0x00000000 | Max curr: 0x00000001
> > sdhci_bcm0-slot0: ===========================================
> > mmcsd0: Error indicated: 1 Timeout
> > g_vfs_done():mmcsd0s2a[WRITE(offset=725647360, length=131072)]error = 5
> > mmcsd0: Error indicated: 1 Timeout
> > mmcsd0: Error indicated: 1 Timeout
> > mmcsd0: Error indicated: 1 Timeout
> > mmcsd0: Error indicated: 1 Timeout
> > g_vfs_done():mmcsd0s2a[WRITE(offset=725778432, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=725909504, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=726040576, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=726171648, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=726302720, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=726433792, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=726564864, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=726695936, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=726827008, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=726958080, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=727089152, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=727220224, length=131072)]error = 5
> > g_vfs_done():mmcsd0s2a[WRITE(offset=20932096, length=512)]error = 5
> > panic: brelse: inappropriate B_PAGING or B_CLUSTER bp 0xd76fc2d0
> > cpuid = 0
> > KDB: enter: panic
> > [ thread pid 12 tid 100014 ]
> > Stopped at      $d.7:   ldrb    r15, [r15, r15, ror r15]!
> > db> bt
> > Tracing pid 12 tid 100014 td 0xc39fd360
> > db_trace_self() at db_trace_self
> >          pc = 0xc053f010  lr = 0xc0140fec (db_stack_trace+0x108)
> >          sp = 0xd69e19d8  fp = 0xd69e19f0
> >         r10 = 0xc07745f8
> > db_stack_trace() at db_stack_trace+0x108
> >          pc = 0xc0140fec  lr = 0xc0140a38 (db_command+0x388)
> >          sp = 0xd69e19f8  fp = 0xd69e1a98
> >          r4 = 0x00000000  r5 = 0x00000000
> >          r6 = 0x00000000 r10 = 0xc07745f8
> > db_command() at db_command+0x388
> >          pc = 0xc0140a38  lr = 0xc01406a0 (db_command_loop+0x74)
> >          sp = 0xd69e1aa0  fp = 0xd69e1ab0
> >          r4 = 0xc05a3ab0  r5 = 0xc05c48a6
> >          r6 = 0xc07745e4  r7 = 0xd69e1c80
> >          r8 = 0xc0769620  r9 = 0xc0687764
> >         r10 = 0xc0769624
> > db_command_loop() at db_command_loop+0x74
> >          pc = 0xc01406a0  lr = 0xc01431d0 (db_trap+0x108)
> >          sp = 0xd69e1ab8  fp = 0xd69e1bd0
> >          r4 = 0x00000000  r5 = 0xc07745f0
> >          r6 = 0xc0769648 r10 = 0xc0769624
> > db_trap() at db_trap+0x108
> >          pc = 0xc01431d0  lr = 0xc02e89b8 (kdb_trap+0x184)
> >          sp = 0xd69e1bd8  fp = 0xd69e1c00
> >          r4 = 0x00000000  r5 = 0x00000001
> >          r6 = 0xc0769648  r7 = 0xd69e1c80
> > kdb_trap() at kdb_trap+0x184
> >          pc = 0xc02e89b8  lr = 0xc05570ac (undefinedinstruction+0x344)
> >          sp = 0xd69e1c08  fp = 0xd69e1c78
> >          r4 = 0x00000000  r5 = 0x00000000
> >          r6 = 0xc0556cb8  r7 = 0xe7ffffff
> >          r8 = 0xc39fd360  r9 = 0xc02e8110
> >         r10 = 0xd69e1c80
> > undefinedinstruction() at undefinedinstruction+0x344
> >          pc = 0xc05570ac  lr = 0xc0540698 (exception_exit)
> >          sp = 0xd69e1c80  fp = 0xd69e1d18
> >          r4 = 0xc05c48fb  r5 = 0x00000001
> >          r6 = 0xc075a0e0  r7 = 0xc075a278
> >          r8 = 0xd69e1d6c  r9 = 0xc0775e08
> >         r10 = 0xc39fd360
> > exception_exit() at exception_exit
> >          pc = 0xc0540698  lr = 0xc02e8100 (kdb_enter+0x48)
> >          sp = 0xd69e1d10  fp = 0xd69e1d18
> >          r0 = 0xc0769634  r1 = 0x00000000
> >          r2 = 0xd69e1c44  r3 = 0xc05c87c4
> >          r4 = 0xc05c48fb  r5 = 0x00000001
> >          r6 = 0xc075a0e0  r7 = 0xc075a278
> >          r8 = 0xd69e1d6c  r9 = 0xc0775e08
> >         r10 = 0xc39fd360 r12 = 0xc06a2448
> > $a.8() at $a.8
> >          pc = 0xc02e8114  lr = 0xc02ac40c (vpanic+0x164)
> >          sp = 0xd69e1d20  fp = 0xd69e1d40
> >          r4 = 0x00000100 r10 = 0xc39fd360
> > vpanic() at vpanic+0x164
> >          pc = 0xc02ac40c  lr = 0xc02ac2a8 (vpanic)
> >          sp = 0xd69e1d48  fp = 0xd69e1d60
> >          r4 = 0xc075a178  r5 = 0xc05d0e17
> >          r6 = 0xd69e1d6c  r7 = 0xc075a0e0
> >          r8 = 0xc077522c  r9 = 0xc05b6589
> >         r10 = 0x00000000
> > vpanic() at vpanic
> >          pc = 0xc02ac2a8  lr = 0xc0338f18 (brelse+0x6f0)
> >          sp = 0xd69e1d68  fp = 0xd69e1dd8
> >          r4 = 0xc02ac2a8  r5 = 0x00000001
> >          r6 = 0xd69e1d6c  r7 = 0xd76fc2d0
> >          r8 = 0xc42c93d4  r9 = 0xd76fc2d0
> >         r10 = 0xc0758184
> > brelse() at brelse+0x6f0
> >          pc = 0xc0338f18  lr = 0xc033c77c (bufdone+0x58)
> >          sp = 0xd69e1de0  fp = 0xd69e1de8
> >          r4 = 0xd76fc2d0  r5 = 0xc42c93d4
> >          r6 = 0xc0758140  r7 = 0xc0758184
> >          r8 = 0xc077522c  r9 = 0xc05b6589
> >         r10 = 0x00000000
> > bufdone() at bufdone+0x58
> >          pc = 0xc033c77c  lr = 0xc023c3a4 (g_io_schedule_up+0xe4)
> >          sp = 0xd69e1df0  fp = 0xd69e1e20
> >          r4 = 0xc05b88cf  r5 = 0xc700c348
> > g_io_schedule_up() at g_io_schedule_up+0xe4
> >          pc = 0xc023c3a4  lr = 0xc023cacc (g_up_procbody+0x78)
> >          sp = 0xd69e1e28  fp = 0xd69e1e30
> >          r4 = 0xc05b8cf1  r5 = 0xc07581ac
> >          r6 = 0xc023ca54  r7 = 0x00000000
> >          r8 = 0xd69e1e58  r9 = 0x00000000
> >         r10 = 0x00000000
> > g_up_procbody() at g_up_procbody+0x78
> >          pc = 0xc023cacc  lr = 0xc027a544 (fork_exit+0xa0)
> >          sp = 0xd69e1e38  fp = 0xd69e1e50
> >          r4 = 0xc39fd360  r5 = 0xc3958000
> > fork_exit() at fork_exit+0xa0
> >          pc = 0xc027a544  lr = 0xc0540628 (swi_exit)
> >          sp = 0xd69e1e58  fp = 0x00000000
> >          r4 = 0xc023ca54  r5 = 0x00000000
> >          r6 = 0x00000000  r7 = 0x00000000
> >          r8 = 0x00000000 r10 = 0x00000000
> > swi_exit() at swi_exit
> >          pc = 0xc0540628  lr = 0xc0540628 (swi_exit)
> >          sp = 0xd69e1e58  fp = 0x00000000
> > db>
> >
> >
> > Thanks for reading and any guidance,
> >
> > bob prohaska
> >
> > _______________________________________________
> > freebsd-arm@freebsd.org mailing list
> > https://lists.freebsd.org/mailman/listinfo/freebsd-arm
> > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org"
> >



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