Loopback FS is broken, has been broken since around 2.3.3x. You can trigger
it by doing several simultaneous accesses in the loopback filesystem in
short order. I.e. make /tmp your loopback, go into /tmp and run wget -r on
your _local_ web server. you should get D states within a second or two.
-d
On 26 Mar 2000, Daniel Schepler wrote:
> Date: 26 Mar 2000 01:21:09 -0800
> From: Daniel Schepler <schepler@math.berkeley.edu>
> To: linux-kernel@vger.rutgers.edu
> Subject: Loop driver UP deadlock? -- 2.3.99pre[23]
>
> I recently tried to rebuild the Debian boot disks, and discovered that
> it consistently causes a hang at least with 2.3.99pre2 and later. I
> haven't tried it yet with earlier kernels. The symptoms are: there is
> no error message recorded, but the scripts hang sometime during
> copying files into a filesystem mounted from a loop device. Then, one
> by one, other processes hang at about the time they'd cause disk
> activity. I just tried it on 2.2.14 and it made the boot disks
> successfully. Oddly, though, I can't seem to reproduce it with my own
> loop FS tests, just with the Debian boot-floppies package.
>
> Let me know if I should try to pinpoint in what version this first
> occurs, or if you need more detailed config info.
>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Mar 31 2000 - 21:00:17 EST