Re: strange behavior after reboot, iceweasel locking everything up
On 12 August 2012 17:45, Tony Baldwin <tony@tonybaldwin.org> wrote:
> Yesterday I had to reboot my machine.
> Cleaning house, I had dislodged the plug for a power strip that powered
> the computer, monitor, and printer.
>
> Now, I am seeing very odd behavior.
> Iceweasel hangs forever on some of the simplest tasks, such as loading a
> static html page.
> Not only that, but when it does so, other tasks on my machine are held
> up. For instance, if I have iceweasel loading a page on my first
> workspace, and try to load a message in mutt on another, mutt waits for
> iceweasel to finish what it's doing before proceeding, which was not
> previously the case.
> I find this very, very odd.
> Or even opening a terminal, for instance, a terminator, hangs, waiting
> for iceweasel to finish its task.
> It's as though iceweasel has dibs on system resources, and is blocking
> other applications from using them, even when iceweasel, itself, is
> using very few resources.
> Now, when this is happening, I do not see any spikes in resource usage
> that would explain slowing or stopping the entire machine while
> iceweasel does its thing.
> For instance, the machine will be using 2% of CPU and 4% of ram, but be
> completely dormant until iceweasel succeeds in downloading a page.
> This machine is a 2.8ghz x 4core AMD APU with 16gb of ram, too, so I'm
> not exactly lacking in resources.
>
> The only anomalies I have noted in dmesg, etc., are that some sectors of
> my hdd are not reading correctly, or something.
> A file system check forced on a second reboot yesterday failed, which is
> disconcerting, but I'm not certain what to make of that.
>
> dmesg | tail gives me
> [79477.080607] ata6.00: failed command: READ DMA EXT
> [79477.080621] ata6.00: cmd 25/00:08:9d:23:9f/00:00:6c:00:00/e0 tag 0
> dma 4096 in
> [79477.080624] res 51/40:00:9d:23:9f/40:00:6c:00:00/00 Emask
> 0x9 (media error)
> [79477.080631] ata6.00: status: { DRDY ERR }
> [79477.080635] ata6.00: error: { UNC }
> [79477.196994] ata6.00: configured for UDMA/33
> [78506.185310] sd 5:0:0:0: [sda] Unhandled sense code
> [78506.185315] sd 5:0:0:0: [sda] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE
> [78506.185322] sd 5:0:0:0: [sda] Sense Key : Medium Error [current]
> [descriptor]
> [78506.185331] Descriptor sense data with sense descriptors (in hex):
> [78506.185335] 72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
> [78506.185351] 6c 9f 23 9d
> [78506.185358] sd 5:0:0:0: [sda] Add. Sense: Unrecovered read error -
> auto reallocate failed
> [78506.185368] sd 5:0:0:0: [sda] CDB: Read(10): 28 00 6c 9f 23 9d 00 00
> 08 00
> [78506.185378] end_request: I/O error, dev sda, sector 1822368669
> [78506.185398] ata6: EH complete
>
> I don't know what to make of that.
>
> Before the reboot yesterday, the machine was working awesomely.
> This is Debian Stable, AMD64, as mentioned on a 2.8ghz x 4core AMD APU
> with 16gb ram.
> I use Openbox window manager with no DE (which further keeps things
> generally humming long quite efficiently).
>
> The machine is only 8 months old, essentially (mobo, cpu, ram all
> purchased in January, although the hdd is over a year old, about 1 year
> and a half, really, so still not very old).
>
> What is going on here?
>
> I ran aptitude update && safe-upgrade yesterday (had been about a week),
> so everything is up to date.
>
> ./tony
Seems like the disk has some damage from when you pulled the plug.
Probably best to do a file system check from a live medium.
--
Sent from FOSS (Free Open Source Software)
Debian GNU/Linux
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