Date: Mon, 18 May 2015 18:45:06 -0600 From: Dan Raymond <draymond@foxvalley.net> To: Keith White <kwhite@site.uottawa.ca>, Luiz Otavio O Souza <lists.br@gmail.com> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: state of FreeBSD ARM (less stable than 6 months ago) Message-ID: <555A8792.9000809@foxvalley.net> In-Reply-To: <alpine.BSF.2.20.1505181523120.93723@localhost.my.domain> References: <5550C252.6030001@foxvalley.net> <1431357226.2428197.265704673.6A544F74@webmail.messagingengine.com> <555177D9.8080001@foxvalley.net> <CAB=2f8zYShMH1P96MsdfP0ReMEwpkDJ%2Bq8dvMHHHjiMGmqnrqg@mail.gmail.com> <alpine.BSF.2.20.1505181523120.93723@localhost.my.domain>
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On 5/18/2015 1:26 PM, Keith White wrote: > On Tue, 12 May 2015, Luiz Otavio O Souza wrote: > >> On 12 May 2015 at 00:47, Dan Raymond wrote: >>> On 5/11/2015 9:13 AM, Mark Felder wrote: >>>> >>>> On Mon, May 11, 2015, at 09:53, Dan Raymond wrote: >>>>> >>>>> I've been running an email and web server using FreeBSD 11 on a >>>>> Raspberry Pi B+ since November. It has crashed 3 times since then >>>>> (roughly every two months). I'm currently running r277334. I >>>>> thought >>>>> I'd try the latest build to see if stability has improved. I >>>>> purchased a >>>>> Raspberry Pi 2 and used the latest crochet to built r282738. No >>>>> problems building it and it booted up fine. However, it crashes >>>>> about >>>>> an hour into building some ports I use for my server (nginx, php, >>>>> etc.). I tried twice last night and it crashed both times. Is >>>>> anybody >>>>> looking into these stability issues? >>>>> >>>> RPi2 support is something like less than a week old for SMP and DMA >>>> transport. I'm not sure more than a handful of people have actually >>>> tried it yet. The bugs here will be worked out in time, but if you >>>> have >>>> any core dumps or info that can assist in tracking down issues you're >>>> experiencing that would certainly be appreciated. >>>> >>> >>> These panics always seem to be mmcsd related. I doubt it has >>> anything to do >>> with RPi2 or SMP. >>> >>> sdhci_bcm0-slot0: Controller timeout >>> sdhci_bcm0-slot0: ============== REGISTER DUMP ============== >>> sdhci_bcm0-slot0: Sys addr: 0x4d295a00 | Version: 0x00009902 >>> sdhci_bcm0-slot0: Blk size: 0x00000200 | Blk cnt: 0x00000020 >>> sdhci_bcm0-slot0: Argument: 0x002d19c0 | 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: 0x00000507 >>> sdhci_bcm0-slot0: Timeout: 0x0000000e | Int stat: 0x00000010 >>> sdhci_b >>> >>> >>> >>> mmcsd0: Error indicated: 1 Timeout >>> g_vfs_done():mmcsd0s2a[WRITE(offset=1460830208, length=24576)]error = 5 >>> panic: No b_bufobj 0xd767ca00 >>> cpuid = 1 >>> KDB: enter: panic >>> [ thread pid 12 tid 100013 ] >>> Stopped at $d.7: ldrb r15, [r15, r15, ror r15]! >>> db> >> >> Hm, I have seen this already, it is the sdhci software timeout. >> >> The 'happens at night' part rings a bell for me. >> >> In my case it happened only with a card that has failed a few weeks >> later, so I thought it was a pre-fail case. >> >> But in certain cases (depending on the card) I think this timeout can >> be triggered with normal usage. >> >> Please try the attached patch and let me know if it works for you. >> >> Luiz >> >> Index: sys/dev/sdhci/sdhci.c >> =================================================================== >> --- sys/dev/sdhci/sdhci.c (revision 282210) >> +++ sys/dev/sdhci/sdhci.c (working copy) >> @@ -872,7 +872,7 @@ >> /* Start command. */ >> WR2(slot, SDHCI_COMMAND_FLAGS, (cmd->opcode << 8) | (flags & >> 0xff)); >> /* Start timeout callout. */ >> - callout_reset(&slot->timeout_callout, 2*hz, sdhci_timeout, >> slot); >> + callout_reset(&slot->timeout_callout, 10*hz, sdhci_timeout, >> slot); >> } >> >> static void >> _______________________________________________ >> freebsd-arm@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-arm >> To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" > > Luiz, the patch works for me. Thanks! > > [Tested on BBB with a 2GB microSD that previously gave a WRITE timeout.] > > ...keith I was out of town for a few days but yesterday I tried the patch and I was able to build my ports without a panic. I'll continue to do some more testing.
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