/srv/irclogs.ubuntu.com/2005/12/08/#ubuntu-kernel.txt

makxBenC: reading through udev diffs i see your modular udev usage12:05
makxany reason why your keeping that modular?12:06
lamontBenC: elilo is broken.  sub-problem: elilo is ftbfs with current binutils12:08
lamontI'm working on that thing12:08
makxthere also seems races mentioned in autoloading 'unix'..12:12
BenCmakx: I don't do udev12:12
BenCKamion does udev12:13
makxyeah but you do .config CONFIG_UNIX=m12:13
BenCyes, we always have12:13
BenClamont: so newer elilo will get initramfs working?12:13
makxcache line bounces..12:14
BenCis there an actual problem, or just theory? :)12:14
makxwe'll see ;-)12:15
lamontBenC: new elilo and a few other kernel fixes that already went into 2.6.15 (iirc), yes.12:15
BenCbreezy's unix.ko is modular, and I'd be willing to bet hoary is too12:15
lamontnew elilo may require new gnuefi as well, but that's where I'm currently floundering12:15
BenClamont: is the elilo source in the archive?12:15
lamontyes12:16
lamontbut ftbfs12:16
lamontbinutils got more pedantic.12:16
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BenCwhat exactly is gnuefi?12:20
BenClamont-away: ?12:29
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jbailey_BenC: I've got the UseFB turned off now, I'll let oyu know how it goes.12:52
jbailey_I did a strace chvt, and it hangs in the middle of an ioctl.12:52
jbailey_I did an strace -p on the running X server, and it's not making any syscalls at all.12:52
jbailey_Even though I did see two signals sent to it.12:52
BenCok, next time "cat /proc/<pid>/wchan of the X process12:55
jbailey'k12:59
jbaileyWhat's that file?01:00
jbaileyWhen I look at the current one, I don't understand the contents.  It looks like the start of the data segment.01:00
BenCit's the function in the kernel where the process is01:02
jbaileyAh, cool.01:02
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jbaileyBenC: It was either in ,__start or .drm_compat_ioctl01:27
jbaileyIt flipped between the two.  I did about a dozen cats.01:28
jbaileyThis time I tried just kill -9'ing the X server after that.01:28
jbaileygdm restarted.01:28
BenCdid everything work after that?01:28
jbaileyI'm on that session now.01:28
BenCdrm_compat, huh01:28
jbaileyIt's wroking well enough to x-chat, anyway.01:28
BenCsounds like drm compat ioctl's might be behind the actual drm ioctl's01:29
BenCthe compat is for conversion between 32-bit userland and 64-bit kernel ioctl's01:29
jbaileyAh, so it's basically a thunk?01:29
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jbaileyJaneW: Aren't you supposed to be asleep?01:29
BenCand if something in the kernel/userland changed, and the compat doesn't know about it, then it might cause problems01:29
BenCyeah01:29
jbaileyAnything for me to look at next time around? =)01:31
jbaileyI guess for kicks, I could try a 32 bit kernel.01:31
jbaileyBenC: Is this still an -rc1 kernel, or are you tracking upstream?01:32
jbaileyHmm,. and my sparc box was hung.01:36
jbaileyMaybe it's just a bad day to be in my computer room01:36
BenCjbailey: no, it's -rc3+some01:36
jbaileylinux-meta points to 2.6.16-5 on sparc instead of -6.01:40
BenCweird01:55
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BenCsparc needs to build it still I guess01:55
BenClamont-away: ping01:55
jbaileyI didn't think linux-meta had ever pointed to -5.01:58
BenCyeah, infinity uploaded prior to -6 at mdz's urging01:59
=== jbailey fires up -6 on the sparc to see if it fixes the gdb hangs that he had on 2.6.12
jbaileyrtc_init: no PC rtc found01:59
jbaileyKenel panic.01:59
BenCpanic?01:59
jbaileyThat would be a 'no', I guess. =)01:59
BenCthe RTC thng I get too, but it still boots01:59
jbaileyHmm, unable t mount root.01:59
BenCdo you have it on quiet?01:59
jbaileyMaybe it's a different thing.01:59
jbaileyYeah.01:59
jbaileyLemme see if I can get the old kernel running. =)01:59
BenC"old" should work02:00
jbaileybah, stop-a isn't working.02:00
jbaileyIt should, assumingI got my silo.conf right.02:00
BenCyou're lucky, it doesn't take 2 minutes to soft-boot and 6 minutes to hard-boot your ultra :)02:00
jbaileyI did this install by hand froma debootsrap off of an old rescue CD. =)02:00
jbaileyBah, I did make a typo.02:01
jbailey*sigh*02:01
=== jbailey tries to recover anyway.
BenCnah, just do "/boot/vmlinuz.old initrd=/boot/initrd.old root=/dev/xxx"02:01
jbaileyAh, I didn't know you could pass initrd on the cmmand line there.02:02
BenCyeah, silo parses it out and loads it02:03
jbaileyI wonder if my sparc is just broken now.  I've gotten two data access errors and it just hung during Uncompressing Image.02:06
jbaileyOr if power's bad here in the winter.02:06
=== jbailey uses the rescue CD.
jbaileyThere we go, silo changed to say vmlinuz instead of vmlinux02:12
jbaileyAnd it's booting on old.02:13
jbaileyBenC: Why does your box take so long, SCSI arrays?02:13
=== jbailey wants to find a nice little sunfire workstation.
jbaileyInteresting, this kernel just hung with a TRAPLOG message.02:14
=== jbailey reboots again.
jbaileyHmm.  When I run silo, it doesn't actually check to see if the files exist, doe sit?02:16
jbaileyBenC: Looks like it was my bad.  I screwed up the link to initrd.img02:18
BenCjbailey: the UltraEnterprise systems have a hell of a POST02:19
BenCjbailey: ok, so it boots and all?02:19
jbaileyYup02:20
jbaileyI'm in 2.6.15-6 now02:20
jbaileyOh, hmm.02:22
jbaileyThis new kernel doesn't seem to pick the network card on the scan.02:22
jbaileyI have two nics in here.02:22
jbaileyIt's seeing the 3c59x fine02:22
jbaileyNot the onboard.02:22
jbaileyAnd apparnetly hitting ctrl-alt-delete hung it.02:23
jbaileyPerhaps I should just throw it out the window now? =(02:23
jbaileyIs there an easy wya to see which driver is associated with with eth interface?02:26
jbaileyIt looks like the bus scan is seeing both a tulip and a 3c59x02:27
jbailey(in both 2.6.15 and 2.6.12)02:27
jbaileyBut one of them isn't producing an interface in 2.6.1502:27
jbaileyAh, dmesg - looks like sunhme02:30
jbaileyHmm, no it's showing up as eth2.02:34
jbaileyAh, I see.  It didn't see it before beacuse I was using ifup, which needs configury in /etc/network/interfaces02:34
jbaileySo the detection order has changed.02:34
BenCah02:36
BenCyeah, iftab problem02:36
BenCplus, if you upgraded udev so that hotplug is gone, the hotplug thing in /etc/network/interfaces appears to not work anymore02:37
jbaileyYeah, did that.02:48
jbaileyBenC: Anyhow, thanks.  Anything else you want tried on the ppc box?  sparc is now building gdb for me to do my hacking there.  I'll let you know if I still get full hangs when debugging. =)03:26
jbaileyOtherwise I'm starting to look at biarch gdb for sparc.03:26
BenCok03:26
BenCnothing I can think of right now03:26
BenCif you have problems with 64-bit gdb on sparc, let davem know (or me and I can relay)03:27
jbailey32 bit gdb was hanging my box solid before.03:27
jbaileyBut I'm hoping 2.6.15 will make that go away.03:27
jbaileyIf you're just going to relay, I can catch him on irc - are you interested, though / do you want to be cc:'d?03:28
BenCinterested, but you don't need to keep me in the loop03:33
BenCjust the outcome is all that's important :)03:33
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jbaileyBenC: Killing the Xorg daemon a second time works, so whatever it is, it doesn't seem to be chewing up all the resources in the kernel in a hurry.05:07
BenCstrange bug05:08
jbaileyI've tried to take a picture of the kernel message to the screen where the sparc box hung.  I suspect this box is just fubar, maybe.05:08
BenCusually I would expect a bug in the kernel that affected X like that, to atleast put the X process into D state05:09
jbaileyIt looks like line noise, follow by a struct dump05:09
BenCcan you get a serial console on it?05:09
jbaileyAssuming my laplink cable isn't dead, yet.  I bought one before UBZ, but when we tried to use it there, it didn't seem to work.05:10
jbaileyBut the a500 we were testing was also dead, so it's hard to tell which parts weren't working. =)05:10
jbaileyI've also taken 'quiet' off of the kernel command line now, so next time I might get a better dump05:10
BenCthe a500 has a screwy serial port (it's actually 3-in-1), hopefully the sparc is ok with it05:10
jbaileyThe a500 wasn' posting at all.  The SCSI card wasn't even init'ing the drives.05:11
jbaileyBah, the sparc didn't make it long enoug to finish my gdb package.05:12
jbaileyMmm, nice the testsuite resumed.05:12
BenCweird, the GSP console should work even when power is off (it's a completelt seperate system05:13
jbaileyYeah.  Grant suggested that it might have been the power supply itself that went.05:13
jbaileyThere seem to be a whole pile of dejagnu failures.  Do you know if anyone actively looks at sparc-linux gdb, or is it just something davem and a few people do in their spare time?05:26
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jbaileyWow, long scroll.06:08
jbaileyThe oops went on for 6 or 7 pages.  I will need to hook a serial console up to catch it.06:08
jbaileyNice to see it out of quiet mode though.06:09
jbaileyI'll wire that up tomorrow.06:09
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BenClamont: hey03:57
lamontyo03:59
fabbione hey BenC 04:01
BenChey fabbione04:01
BenClamont: The version of elilo on ports.u.c seems to be the same version as the .deb04:02
lamontright04:02
BenClamont: how is rebuilding it going to get initramfs working?04:02
lamontbinutils was upgraded after it built04:02
BenCso initramfs not working is bintutils related?04:02
lamontit won't - it needs a new upstream.  upstream is working with me on getting it to compile again04:02
BenCI got it to compile04:03
lamontno.  initramfs not working is an elilo bug.  elilo not building is related to binutils being more pedantic now04:03
lamonton current dapper?04:03
BenCnew yes04:03
lamontwoot04:03
lamontwith current gnuefi?04:03
BenCI fixed some assembly bugs (.endp and such), and then copied the linker script from the newer gnu-efi (to DISCARD IA_64.unwind symbols)04:04
lamontsend me your patch please04:04
BenCnewer gnu-efi is probably a 20 linue diff04:04
BenCok04:04
lamontI'll push it to upstream on monday (he sits across the building from me..)04:04
lamontand then he'll upload to debian, and we'll sync, and all will be love.04:04
fabbionemafia :)04:05
BenCany chance I can get his patch for elilo+initramfs to test?04:05
lamontmonday04:05
lamontI don't have iut04:05
=== lamont pings him in the work channel just in case he shows up today
lamontback in a while04:06
BenCok, I'll send you a patch for gnu-efi 3.0a's linker script, and then a patch for elilo's ia64/{set,long}jmp.S assembly04:06
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trevilorhi guys04:10
lamontBenC: thanks.  (although I had the assembly stuff done - was working on time to hack gnu-efi)05:11
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jb-homeBenC: Around?06:00
BenCyeah06:00
BenClamont: booting with the rebuilt elilo doesn't work06:00
BenClamont: it shows "Starting Ubuntu" and goes back to the efi menu06:01
BenCjb-home: yeah06:01
jb-homeBenC: I'm playing more on the sparc box - I've got the serial console wired up.06:01
jb-homeWhen rebuilding gdb, it seemed to hang it, no output to the serial port at all.06:01
jb-homeWhen I rebooted, I had a whole pile of bus errors.06:01
BenCbreak signal doesn't get it out to OBP?06:01
jb-homeIs there any chance this is something other than hardawre?06:02
BenCbus errors?06:02
jb-homeNope, no response on the keyboard at all.06:02
jb-homeLemme fetch the log off of the laptop.06:02
BenCare you running latest things like libc6 and such?06:02
jb-homeYup, up to date dapper06:02
jb-home[   10.201895]  SABRE0: PCI SERR signal asserted.06:04
jb-home[   10.412781]  SABRE0: PCI bus error, PCI_STATUS[83a0] 06:04
jb-homerepeat until06:04
jb-home[   16.953369]  SABRE0: PCI bus error, PCI_STATUS[83a0] 06:04
jb-home[   17.178580]  SABRE0: PCI SERR signal asserted.06:04
jb-homeThen the timer reset to 006:04
jb-homeIt got up to 16 a second time, reset to 006:04
jb-homeThen then went for another 2.5  seconds.06:04
jb-homehttp://people.ubuntu.com/~jbailey/minicom.cap06:05
mjg59Can I shove some more drivers in l-r-m?06:07
jb-homemjg59: I may pout if they really suck to support.06:08
BenCjb-home: that really looks like hardware06:08
jb-homeI've been wondering if we need to have two l-r-m's.  One for restricted, one for multiverse.06:08
mjg59jb-home: Modem drivers06:09
BenCsabre, what type of ultrasparc is that06:09
jb-homeBenC: How do I tell?  It says Ultra 5 on the front, and has the usual compaq grey casing.06:09
BenCthat's all I needed to know06:09
BenCUltra IIi06:09
mjg59Wow. That one actually built against 2.6.12.06:09
BenCIIi has PCI built into the CPU06:10
jb-homemjg59: Modem drivers probably should go in there.06:10
jb-homeEspecially if they're for an iBook.06:10
jb-home*sigh*06:10
mjg59jb-home: I can't remember what the iBook has, but I have a feeling it's weird conexant shit06:10
mjg59jb-home: We have two choices there:06:11
BenCjb-home: at the OBP prompt try "probe-pci-all" and "test-pci"06:11
BenCor "test pci" can't remember which it is, but "help test" might tell you for sure06:11
jb-homeok probe-pci-all06:11
jb-homeprobe-pci-all ?06:11
mjg591) We ship the Linuxant drivers which are limited to 14.4bps unless you pay them06:11
mjg592) We ship the older versions of their drivers, which are GPLed (except for the closed bits). The license allows redistribution. We have to forward-port to 2.6.06:12
BenClamont: I'm trying to setup my i2k so that EFI is on the serial console, and I get output, but I can't seem to find the right baud rate06:12
jb-hometest pci, Device pci not found, help test, No help available for test.06:12
BenCEFI says 115k, and I have my serial setup at 115k, but it isn't working (shows garbage)06:12
jb-homeBenC: IIRC, It's 19200 on my ia64.06:12
jb-homeAnd E71 or something like that.06:13
BenCE71? weird, EFI says 115xxx,8N106:13
jb-homeMight have just been the way mine was setup.06:13
jb-homeIt took me a couple goes to get it right, though.06:13
BenCit wont let me change it, so I guess it's hardcoded06:13
jb-homemjg59: Are the closed bits actually just loaded firmware, or are they things that might need updating?06:14
mjg59jb-home: They're basically chunks of the Windows driver06:14
mjg59Hang on, let me find you a URL06:14
BenCthat got me garbage too06:15
mjg59There's a more recent version of the ltmodem driver, too06:21
jb-homemjg59: What do you suggest?  I don't really know anythign about it.06:26
jb-homeJust that I've had two people ask me about whether we support modems on iBook.  Not even a statistic. =)06:27
mjg59Ah, hmm.06:30
mjg59The iBook (it seems) has USB Conexant stuff06:30
BenCthis serial console is pissing me off06:41
BenCthe EFI says it is 115384 (not 115200) and 8N106:42
BenC115200 8N1 shows me garbage, even tried switching on/off the hw and sw flow control06:42
BenCtime for google I guess06:43
BenCjb-home: did you have to use a null modem connector for your i2k?06:47
BenCthere's a good reason06:52
BenCmy e3k's serial port cannot be set to 11520006:52
jb-homeBenC: I don't thin so.  Besids, if you needed a null, you wouldn't get any garbage at all from connecting tx to tx, rx to rx.07:12
BenCyou're right, just grabbing at straws, but now I'm sure it's just a matter of not being able to set my ultrasparc port to 115200 (where I'm running minicom)07:13
lamont9600 or 19200 is pretty normal - that or autosensing07:50
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zulheylo08:02
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zulBenC: sata and ata cdroms broke in 2.6.15?08:10
BenCI've seen one report saying such08:12
zulyeah looks there is a module param called atapi_enabled now08:12
BenCthe one report I saw looked more like a resource conflict, possibly with ide-generic08:12
zullooks like the behaviour changed in 2.6.1308:13
BenCdid you test this param?08:13
zulno i dont have sata at home, ill test it at work when i get into work tomorrow08:13
zulhttp://www.ussg.iu.edu/hypermail/linux/kernel/0508.3/1620.html08:14
zulthere isnt a #define ATA_ENABLE_ATAPI anymore08:15
zulill upgrade my computer tomorrow and see what breaks...yeehaww :)08:15
BenCah08:16
BenCdoes PATA handle things where atapi_enabled was needed?08:16
zulnot sure...still looking08:16
BenCthe libata-dev merge I just did included 4 or 5 new PATA drivers08:16
zulaccroding to this wiki page im looking at configure the sata system as built-in and add libata.atapi_enabled=1 to the kernel command line08:17
zuluh...wait..08:17
zulmodprobe libata apatpi_enabled=1 should work as well08:18
BenCyeah, for our kernel, you need the modprobe08:18
BenCso I'd add it in /etc/mkinitramfs somewhere08:18
zulget the guy on the kernel mailing list to do it08:18
BenCthe atapi_enabled=1 param that is08:18
BenCok08:19
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zulstupid xchat08:19
zulim emailling the list right now08:20
BenCjust did08:20
BenCI wonder if the ATAPI support is stable enough for us now08:21
BenCto be enabled by default I mean08:21
zuli can test it08:21
zulill be back later08:32
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=== jb-home catched up on backscroll.
jb-homeBenC: So s the idea that ide-generic finally goes away and we get libata instead?08:41
calcdoes sata/libata finally support smart yet?08:56
BenCyeah, the sata passthrough supports smart now09:02
BenCjb-home: legacy IDE needs ide-generic, IIRC09:02
=== BenC is happy yo get his 19" lcd panel back
BenCthat 15" was getting old09:03
fabbionei am happy with my 3x21" ;)09:09
fabbioneCRT tho...09:09
fabbionehave a nice day guys09:09
fabbionecya around09:10
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=== BenC hugs 1280x1024, my long lost friend
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CataEnryhi *10:40
CataEnrygood night all :)11:16
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dilingerhm11:48
dilingerlibata finally supports smart ioctls?  as of when?11:48
dilinger2.6.12 certainly doesn't :(11:49
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