On mar., 2016-03-01 at 11:49 +0100, Hans de Goede wrote: > Hi, > > On 01-03-16 10:42, Yves-Alexis Perez wrote: > > > > Hi, > > > > [sorry if this is not the right point for reporting bugs, I took the email > > addresses from MAINTAINERS but please point me to the correct place if > > needed] > > > > I have an external USB drive (Samsung M3), which apparently uses the UAS > > code. > > Starting with 4.4 (from Debian sid, I could retry with vanilla if needed), > > I > > can't mount the drive anymore after a while (few hours/days uptime). Just > > plugging the disk, I get page allocation failure in kernel logs: > Can you try building a kernel with the following line in > drivers/usb/storage/uas.c : > > .can_queue = 65536, /* Is there a limit on the _host_ ? */ > > (around line 815) Replaced with > > .can_queue = MAX_CMNDS, > > That should help as MAX_CMNDS is 256, so claiming that we can queue more > is not helpful, and that likely is what is causing this quite high order > alloc. After a few days, it seems that it does work fine, although I can't say anything about sides effects. Regards, -- Yves-Alexis
Attachment:
signature.asc
Description: This is a digitally signed message part
