From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 42635] PCIe passthrough broken with AMD iommu after s2disk /
resume
Date: Mon, 23 Jan 2012 16:18:34 GMT
Message-ID: <201201231618.q0NGIY7I032317@bugzilla.kernel.org>
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--- Comment #2 from Klaus Mueller 2012-01-23 16:18:33 ---
The device never works in the guest after s2disk/resume cycle of the host. But
it always works if it's used by the host itself - even after a s2disk/resume
cycle.
The device is (as seen by the host):
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI
Express Gigabit Ethernet controller (rev 06)
Subsystem: Giga-byte Technology GA-EP45-DS5 Motherboard
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR-