Re: kernel: swap_pager: indefinite wait buffer - on 5.3-RELEASE-p5

From: Steven Enderle (freebsd_at_gizm0.org)
Date: 04/29/05

  • Next message: Yann Golanski: "Logitech UltraX mouse problem" 
    Date: Fri, 29 Apr 2005 12:30:37 +0200
To: Zoltan Frombach <tssajo@hotmail.com>, freebsd-stable@freebsd.org

    Try to mirror the disk with dd (if=/dev/ad0 of=/dev/ad1 bs=1m)

    You should really think about getting a RAID controller, i can recommend
    you a 2 channel 3ware controller (less than 100$)

    Kind regards

    Steven 

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Zoltan Frombach wrote:
> Hello All,
>
> I have a pretty stable FreeBSD 5.3-p5 production server which worked 
> just fine - until today. I host over 100+ web sites on it (Apache + 
> PHP4 + MySQL), email, ftp, etc. There was a time when it was up for 
> over 6 months without a reboot. So it is stable. But today I had a 
> strange problem with this server. I could ping it, but nothing else 
> worked. I had to reboot it by plugging the power. After it came back, 
> this is what I've found in the log file (and nothing else).
>
> Apr 29 02:10:14 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1a, blkno: 328636, size: 8192
> Apr 29 02:10:24 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1e, blkno: 329842, size: 4096
> Apr 29 02:10:24 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 330511, size: 8192
> Apr 29 02:10:24 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 331470, size: 8192
> Apr 29 02:10:24 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 332030, size: 4096
> Apr 29 02:10:49 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 332257, size: 8192
> Apr 29 02:10:49 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1a, blkno: 332309, size: 4096
> Apr 29 02:11:14 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 332252, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1a, blkno: 332301, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 332260, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1a, blkno: 332307, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 332229, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 328470, size: 16384
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 328967, size: 16384
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 329231, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 329479, size: 16384
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 329673, size: 16384
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 332224, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 329234, size: 16384
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 316002, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 332185, size: 16384
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 331763, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 318855, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1a, blkno: 319335, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319135, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319196, size: 16384
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319146, size: 16384
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319243, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319191, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319235, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319183, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319232, size: 12288
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319276, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319189, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319327, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319186, size: 12288
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319206, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 319256, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 301096, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 301145, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 301468, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 301887, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 302503, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 302557, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 302509, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 302554, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1a, blkno: 302635, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 153651, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 163264, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1e, blkno: 302910, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 154346, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 305352, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 305806, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 306642, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 307015, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 305471, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1a, blkno: 305759, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 307088, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 307046, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 307085, size: 12288
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 307045, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 307092, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 293203, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 307060, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1a, blkno: 320047, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 320630, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 320861, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 320842, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 320863, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 320902, size: 8192
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 231845, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 267922, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 232017, size: 4096
> Apr 29 02:33:35 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 231686, size: 8192
> Apr 29 02:34:18 www kernel: swap_pager: indefinite wait buffer: 
> device: ad0s1f, blkno: 267959, size: 4096
>
> It works just fine since the reboot. Not even fsck was needed (file 
> system didn't get dirty by plugging the power???)...
>
> I've never seen this error message before. This could be an indication 
> of what? A dying IDE hard drive???
>
> I happen to have an identical hard drive around here, unused. If I 
> hook it up as a slave (IDE) drive, is there a way I can mirror the 
> dying drive to the spare one (with all partitions, etc, intact)?
>
> Any help/comments would be appreciated. Please CC me, as I am not a 
> subscriber of this list. Thanks!!!
>
> Zoltan _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
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