| GrueMaster | mahmoh: If you read the pandaboard emails, someone got that confused with the GCC-4.6 usb ehci bug. | 00:05 |
|---|---|---|
| GrueMaster | At any rate, this bug is well documented in LP now. | 00:06 |
| GrueMaster | mahmoh: If you have a usb stick & usb drive attatched, can you see how it performs when you have some constant i/o in the background of one while doing benchmarks to the other? I'm thinking something like "while (1);do dd if=/dev/zero of=<mount point to usb stick> bs=4M count=10;done" | 00:09 |
| mahmoh | GrueMaster: I do and I'm sure it'll work but I can try it if you're really curious to find out ;) | 00:44 |
| GrueMaster | No, We really should get back to focusing on server tests. | 00:45 |
| mahmoh | agreed | 00:45 |
| persia | mahmoh, We did discuss it. It was suggested that some changes were made that would improve things. The latest results posted seem different than earlier results, so I think the situation is improved. | 03:13 |
| === zyga-afk is now known as zyga | ||
| arcaico | hello, everyone ! I am trying use "dhclient" in ubuntu-arm (mini6410 board), but I have this problem http://pastebin.com/BW03ucUJ | 13:18 |
| arcaico | Someone Can help me? | 13:18 |
| persia | arcaico, Which kernel are you using? | 14:07 |
| arcaico | persia, Linux FriendlyARM 2.6.28.6-FriendlyARM #2 Sat Jun 26 13:24:08 CST 2010 armv6l GNU/Linux | 14:10 |
| mahmoh | ppisati: I ran three pandas overnight with 3.0.0-1 with "heavy" IO and have seen no problems, I did see one problem before that on one of the boards, unsure if it's related or not, http://paste.ubuntu.com/647721/ http://paste.ubuntu.com/647768/ | 14:20 |
| GrueMaster | arcaico: We don't support armv6. Ubuntu-arm shifted to armv7 with Lucid. | 14:42 |
| persia | arcaico, That's probably the issue then: that doesn't look like an Ubuntu kernel. Are you sure the options mentioned in the messsage you posted are enabled? | 14:48 |
| ppisati | mahmoh: looks like you lost / | 14:49 |
| === prpplague is now known as prpplague^2 | ||
| mahmoh | ppisati: hm? should I write that one up or ? I have logs too | 14:59 |
| ppisati | mahmoh: i already pushed a new kernel on my tree on zinc | 15:08 |
| ppisati | mahmoh: care to try that one? | 15:08 |
| mahmoh | point me to the deb and I'm all over it as soon as my IO testing is complete (2 hrs or so) | 15:08 |
| mahmoh | ppisati: do you think it'll fix my problem above? | 15:08 |
| ppisati | mahmoh: don't think so | 15:13 |
| ppisati | mahmoh: anyway, 2 things: 1) can you try with the actual oneiric/natty omap4 kernel? 2) how did you get it? is it reproducible? | 15:14 |
| mahmoh | ppisati: I hit other problems with the actual kernel, io-usb related | 15:22 |
| mahmoh | I can share those with you | 15:22 |
| Neko | persia, nudge, where was that pandaboard bug? | 19:39 |
| mahmoh | this one? https://bugs.launchpad.net/linux-linaro/+bug/709245 | 19:42 |
| ubot2 | Ubuntu bug 709245 in linux-ti-omap4 "panda: USB disk IO slow" [High,Confirmed] | 19:42 |
| prpplague | Neko: techincally it isn't just panda | 19:43 |
| prpplague | Neko: i've been able to replicate the problem on my tegra2 board | 19:43 |
| Neko | what does the tegra have between usb host and the port on the board? | 19:44 |
| Neko | smsc hub | 19:44 |
| Neko | > | 19:44 |
| Neko | if it's trimslice it's a USB2514 which is the same thing all told as the one in the Panda.. just the Panda has the one with the built-in ethernet controller | 19:45 |
| Neko | I really think it is down to enhanced tt scheduling.. | 19:45 |
| Neko | for trimslice the ethernet is on a completely different bus so messing with USB shouldn't change any of the behavior of the ethernet stuff which is more scary indeed.. but, for now, I can't find the stupid bug number | 19:47 |
| Neko | are you using the usb-to-sata onboard? | 19:48 |
| Neko | therefore hammering usb sata makes other usb stuff go faster, or moving the mouse makes usb-sata faster? I'd love to know the effect | 19:49 |
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| Neko | anyone know what that awesome yet very unfriendly to users way is to basically roll back a git repository to a certain commit on a branch, and force that branch up so that commits are removed and not just HEAD moves around? | 23:46 |
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