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Date: Mon, 15 Mar 2010 05:59:55 -0500 From: Dean Nelson <dnelson@...hat.com> To: Jesse Barnes <jbarnes@...tuousgeek.org> CC: netdev@...r.kernel.org, linux-pci@...r.kernel.org Subject: Re: [PATCH 0/3] pci: fix/cleanup pcix get and set mmrbc functions On 03/12/2010 07:00 PM, Jesse Barnes wrote: > On Tue, 9 Mar 2010 22:26:33 -0500 > Dean Nelson<dnelson@...hat.com> wrote: > >> A customer running RHEL4.8 encountered >> >> "e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang" >> >> type errors, which were determined to be the result of a bad return value >> from e1000_pcix_get_mmrbc() causing the call to e1000_pcix_set_mmrbc() to >> be skipped in the following snippet of code from e1000_init_hw(). >> >> switch (hw->mac_type) { >> case e1000_82545_rev_3: >> case e1000_82546_rev_3: >> break; >> default: >> /* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */ >> if (hw->bus_type == e1000_bus_type_pcix >> && e1000_pcix_get_mmrbc(hw)> 2048) >> e1000_pcix_set_mmrbc(hw, 2048); >> break; >> } >> >> e1000_pcix_get_mmrbc() is basically a wrapper for a call to pcix_get_mmrbc(). >> e1000_pcix_set_mmrbc() is the same for pcix_set_mmrbc(). >> >> The following three patches are a response to the problems that were found to >> exist with pcix_get_max_mmrbc(), pcix_get_mmrbc() and pcix_set_mmrbc(). >> >> Versions of these patches applicable to RHEL4 were verified by the customer to >> solve their problem. > > Thanks Dean, I'll pull these in and send them to Linus for 2.6.34. I > assume they should also be included in the stable kernel series? If > so, I'll add a cc: stable@...nel.org when I commit them. Yes, they should also be included in the stable kernel series. Thanks so much Jesse. Dean -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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