From: Samium Gromoff <_deepfire@mail.ru>
To: alan@lxorguk.ukuu.org.uk
Cc: linux-kernel@vger.kernel.org
Subject: Recent kernels sound crash solution found?
Date: Fri, 7 Sep 2001 19:26:08 +0000 (UTC) [thread overview]
Message-ID: <200109071926.f87JQ9l06082@vegae.deep.net> (raw)
Hello folks, seems that i found the potential bug which
led to the infinite trace i`ve described before.
Facts:
1. My host have 24M of RAM and on kernels 2.4.x;x>7 it started
to have n-order alloc failures.
2. In very rare circumsistances under 2.4.8-ac12 i have
1-order alloc failures.
3. sound_alloc_dmap::dmabuf.c comments states it will loop
until the buffer is alloced
4. sound_alloc_dmap::dmabuf.c comments states it wont accept buffer
lesser than 8k in size.
Logic:
3 + 4 => it loops forever when 1-order alloc fails
1 + 2 + 3 + 4 => my host crashes
* comment to point 2: very rare circumcistances includes
that some time should pass to fragment memory
cheers, Sam
next reply other threads:[~2001-09-07 15:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-07 19:26 Samium Gromoff [this message]
2001-09-07 15:16 ` Alan Cox
2001-09-07 20:09 ` Samium Gromoff
2001-09-07 15:54 ` Alan Cox
2001-09-07 20:16 ` Samium Gromoff
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