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Date: Fri, 21 Sep 2012 23:02:19 +0200 From: "Arend van Spriel" <arend@...adcom.com> To: "David Rientjes" <rientjes@...gle.com> cc: "Nico Schottelius" <nico-kernel20120920@...ottelius.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org> Subject: Fwd: Re: Out of memory on 3.5 kernels Adding David as he suggested looking at slabtop. Gr. AvS -------- Original Message -------- Subject: Re: Out of memory on 3.5 kernels Date: Fri, 21 Sep 2012 21:49:31 +0200 From: Nico Schottelius <nico-kernel20120920@...ottelius.org> To: Arend van Spriel <arend@...adcom.com> CC: Nico Schottelius <nico-kernel20120920@...ottelius.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org> Latest results: - it seems I can trigger the problem by doing the backup to my external usb disk - the usb disk uses jfs - jfs seems to take the major part in cache memory consumption I've attached dmesg and slabtop outputs of various stages: - before and during the backup I've had to abort the backup, because memory pressure made the system almost completly unusable. Hope this helps & someone has a clue on what went wrong were... Cheers, Nico -- PGP key: 7ED9 F7D3 6B10 81D7 0EC5 5C09 D7DC C8E4 3187 7DF0 View attachment "dmesg1" of type "text/plain" (63436 bytes) View attachment "dmesg2" of type "text/plain" (16668 bytes) View attachment "dmesg3-start-backup" of type "text/plain" (12572 bytes) View attachment "dmesg4-during-backup-1.3g-slab" of type "text/plain" (3978 bytes) View attachment "dmesg5-system-unusable" of type "text/plain" (43067 bytes) View attachment "dmesg6-system-partly-usable-still-backup-1.5g-slab" of type "text/plain" (43067 bytes) View attachment "dmesg7-system-heating-slab-2.4g" of type "text/plain" (43067 bytes) View attachment "mounts-during-backup" of type "text/plain" (1883 bytes) View attachment "slabtop6" of type "text/plain" (1495 bytes) View attachment "slabtop7" of type "text/plain" (1527 bytes) View attachment "slabtop4-during-backup" of type "text/plain" (1487 bytes)
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