Re: r8169 and out of space
Francois Romieu wrote: Alistair John Strachan <[EMAIL PROTECTED]> : [..] No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on your information, I hope you don't mind. swiotlb fragmentation perhaps ? Switching the driver to be page based on Rx would help then. [...] I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of memory, and two onboard r8169. Which r8169 model exactly ? I seem to have been wrong about the kernel update fixing my mtu issue. I am not 100% sure, but I think 7200 works if the forcedeth system is sending, but not if the r8169 system is sending. I tried a mtu of 3000, and basically the same errors, but I did noticed something interesting. Note the three different byte sizes. DMA: Out of SW-IOMMU space for 2410 bytes at device :03:00.0 DMA: Out of SW-IOMMU space for 3014 bytes at device :03:00.0 DMA: Out of SW-IOMMU space for 3014 bytes at device :03:00.0 DMA: Out of SW-IOMMU space for 3022 bytes at device :03:00.0 On a side note, leaving the mtu at 1500 seems to work without error, and I get about the same performance. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: r8169 and out of space
Francois Romieu wrote: Alistair John Strachan <[EMAIL PROTECTED]> : [..] No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on your information, I hope you don't mind. swiotlb fragmentation perhaps ? Switching the driver to be page based on Rx would help then. [...] I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of memory, and two onboard r8169. Which r8169 model exactly ? Here is some of the output from lspci -vv. 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) Subsystem: ABIT Computer Corp. Unknown device 240b 05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) Subsystem: ABIT Computer Corp. Unknown device 240b I think I fixed the the 5924 vs 7200 issue by upgrading to kernel-2.6.23.13-104.fc8.x86_64. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: r8169 and out of space
Alistair John Strachan <[EMAIL PROTECTED]> : [..] > No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. > I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on > your information, I hope you don't mind. swiotlb fragmentation perhaps ? Switching the driver to be page based on Rx would help then. [...] > > I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of > > memory, and two onboard r8169. Which r8169 model exactly ? -- Ueimor -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: r8169 and out of space
Bugzilla for this report: http://bugzilla.kernel.org/show_bug.cgi?id=9468 On Thursday 10 January 2008 17:28:22 you wrote: > I saw your thread on LKML about the problem with r8169. Did you ever > find a patch or solution? No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on your information, I hope you don't mind. > I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of > memory, and two onboard r8169. The kernel is > kernel-2.6.23.9-85.fc8.x86_64. I am using jumbo frames, the MTU set at > 5924. The error is mentions 5946 bytes. 5946 - 5924 is 22. The same as > your 7200 MTU subtracted from your bytes, 7222. > > I can set my MTU to 7200, and I can ping with 6 byte packets just > fine, but tcp connections hang unless I set the MTU to 5924 or lower. > The other side is a Nvidia based board with a forcedeth driver that has > in the past taken 9000 just fine. -- Cheers, Alistair. 137/1 Warrender Park Road, Edinburgh, UK. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: r8169 and out of space
Bugzilla for this report: http://bugzilla.kernel.org/show_bug.cgi?id=9468 On Thursday 10 January 2008 17:28:22 you wrote: I saw your thread on LKML about the problem with r8169. Did you ever find a patch or solution? No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on your information, I hope you don't mind. I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of memory, and two onboard r8169. The kernel is kernel-2.6.23.9-85.fc8.x86_64. I am using jumbo frames, the MTU set at 5924. The error is mentions 5946 bytes. 5946 - 5924 is 22. The same as your 7200 MTU subtracted from your bytes, 7222. I can set my MTU to 7200, and I can ping with 6 byte packets just fine, but tcp connections hang unless I set the MTU to 5924 or lower. The other side is a Nvidia based board with a forcedeth driver that has in the past taken 9000 just fine. -- Cheers, Alistair. 137/1 Warrender Park Road, Edinburgh, UK. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: r8169 and out of space
Alistair John Strachan [EMAIL PROTECTED] : [..] No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on your information, I hope you don't mind. swiotlb fragmentation perhaps ? Switching the driver to be page based on Rx would help then. [...] I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of memory, and two onboard r8169. Which r8169 model exactly ? -- Ueimor -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: r8169 and out of space
Francois Romieu wrote: Alistair John Strachan [EMAIL PROTECTED] : [..] No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on your information, I hope you don't mind. swiotlb fragmentation perhaps ? Switching the driver to be page based on Rx would help then. [...] I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of memory, and two onboard r8169. Which r8169 model exactly ? Here is some of the output from lspci -vv. 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) Subsystem: ABIT Computer Corp. Unknown device 240b 05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) Subsystem: ABIT Computer Corp. Unknown device 240b I think I fixed the the 5924 vs 7200 issue by upgrading to kernel-2.6.23.13-104.fc8.x86_64. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: r8169 and out of space
Francois Romieu wrote: Alistair John Strachan [EMAIL PROTECTED] : [..] No, we have not diagnosed the cause of the problem, beyond the swiotlb usage. I'm adding the r8169 maintainer, linux-net and linux-kernel to CC, to pass on your information, I hope you don't mind. swiotlb fragmentation perhaps ? Switching the driver to be page based on Rx would help then. [...] I have a Abit AB9 Pro motherboard with Intel P965 chipset, 4gb of memory, and two onboard r8169. Which r8169 model exactly ? I seem to have been wrong about the kernel update fixing my mtu issue. I am not 100% sure, but I think 7200 works if the forcedeth system is sending, but not if the r8169 system is sending. I tried a mtu of 3000, and basically the same errors, but I did noticed something interesting. Note the three different byte sizes. DMA: Out of SW-IOMMU space for 2410 bytes at device :03:00.0 DMA: Out of SW-IOMMU space for 3014 bytes at device :03:00.0 DMA: Out of SW-IOMMU space for 3014 bytes at device :03:00.0 DMA: Out of SW-IOMMU space for 3022 bytes at device :03:00.0 On a side note, leaving the mtu at 1500 seems to work without error, and I get about the same performance. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
