linux-kernel - Re: [BUGFIX v2 0/4] fix bug 56531, 59501 and 59581

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Message-ID: <CAN_LGv1C7XPHTzXyFjJStffRE_BXxi5tNyJ4cV98RvPfbwFkGA@mail.gmail.com>
Date:	Fri, 21 Jun 2013 19:02:35 +0600
From:	"Alexander E. Patrakov" <patrakov@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Jiang Liu <jiang.liu@...wei.com>, alexdeucher@...il.com,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Yinghai Lu <yinghai@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Yijing Wang <wangyijing@...wei.com>,
	linux-acpi@...r.kernel.org, Jiang Liu <liuj97@...il.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [BUGFIX v2 0/4] fix bug 56531, 59501 and 59581

2013/6/21 Rafael J. Wysocki <rjw@...k.pl>:
> The thing below looks like a radeon problem?
>
> [   52.268389] ------------[ cut here ]------------
> [   52.268395] WARNING: at drivers/gpu/drm/ttm/ttm_page_alloc_dma.c:533 ttm_dma_free_pool+0x101/0x110 [ttm]()

Yes. Let's ignore it for now, as it is a separate bug, likely a
special case of https://bugzilla.kernel.org/show_bug.cgi?id=59681

> But it looks like the removal actually succeeded.

It did.

> [   52.273103] pci_bus 0000:0b: busn_res: [bus 0b] is released
> [   52.273732] pci_bus 0000:0c: busn_res: [bus 0c] is released
> [   52.273816] pci_bus 0000:16: busn_res: [bus 16] is released
>
> Is the re-dock attempt included?  It doesn't seem to leave any trace ...

It is, and indeed it left no traces. See the followup when I attached
the result of manually rescanning the bus - you have already commented
on the deadlock there.

-- 
Alexander E. Patrakov
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