ChanServ changed the topic of #armlinux to: ARM kernel talk [Upstream kernel, find your vendor forums for questions about their kernels] | https://libera.irclog.whitequark.org/armlinux
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<PeterChen>
ardb: We would like to add more features for v6.16 if the base support could be in v6.15, thanks.
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<ardb>
PeterChen: you mean arnd right?
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<krzk>
PeterChen: for how long the patchset was in the linux-next?
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<PeterChen>
ardb: sorry about it. My question is for arnd
<PeterChen>
krzk: No one has queued them, I don't think it is at linux-next
<krzk>
PeterChen: yeah, material should be in the next for at least some days, better week or two, so this should not be queued.
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<PeterChen>
krzk: If it is not at maintainer's tree, it may not be at linux-next
<krzk>
PeterChen: of course, but you want to skip that and queue it for the merge window while the merge window is there, it cannot work like that, sorry. Patchset needs to be piceked up 2 or 3 weeks before, so if pinging, ping before that timeline.
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<ajb-linaro>
arnd I'm certainly seeing some submit_bio_wait_endio called after the pci is disabled/re-enabled but I wonder if there are other requests still in flight that never completed
<ajb-linaro>
arnd is there a completion queue I can look at?
<arnd>
ajb-linaro: don't know, the only thing I know that might help would be using blktrace from userspace to look at what blk requests are getting queued
<maz>
PeterChen: given that you just posted the new series and that nobody reviewed it yet, I think you are jumping the gun. this is 6.16 material anyway.
<maz>
it may also give you the opportunity to have something more significant (i.e. less useless) by then.
<PeterChen>
krzk: I may express something wrong, I mean if it can't catch merge windows, it is also okay at maintainer's tree, then, someone could develop their driver based on linux-next.
<ukleinek>
PeterChen: if this is 6.16 material linux-next has to wait for another 2 weeks (minimum)
<PeterChen>
ukleinek: okay, thanks for let me know. We may develop other work based on internal tree first.
<ajb-linaro>
sigh
<ajb-linaro>
# blktrace /dev/vdb
<ajb-linaro>
BLKTRACESETUP(2) /dev/vdb failed: 25/Inappropriate ioctl for device
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<rfs613>
anyone know if Dinh Nguyen (or other socfpga maintainers) are on IRC?
<arnd>
ajb-linaro: maybe you just need to enable ONFIG_BLK_DEV_IO_TRACE?
<arnd>
rfs613: I don't think he is
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<LeSpocky>
hello
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<rfs613>
arnd: thanks!
<rfs613>
LeSpocky: hi there
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<ajb-linaro>
arnd yes - although not sure what the runes are to see the current state of the queue
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<ukleinek>
rfs613: you want to ask about patches he queued?
<rfs613>
ukleinek: no, was just hoping to ask about the ECC hardware on CycloneV... only L2 and OCRAM seem to be supported, even though hardware seems to support more... trying to figure out if that's intentional or just "nobody every bothered" kind of thing
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<arnd>
ajb-linaro: in most cases it's enough to run "sudo btrace /dev/nvme0n1" -- btrace is the friendly wrapper around blktrace/blkparse. Each I/O should go through several stages A Q G ... C. If you see an I/O that got queued but not completed, it's still pending somewhere
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<arnd>
ajb-linaro: the man page says it means "D -- issued A request that previously resided on the block layer queue or in the i/o scheduler has been sent to the driver", and that is the last thing that comes before "C -- complete" when the driver hands it back to the block layer
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<ajb-linaro>
arnd: so that at least confirms what I thought
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