On Sun, Jun 22, 2008 at 01:18:50PM +0200, maximilian attems wrote: > On Sun, Jun 22, 2008 at 10:28:55AM +0200, Astrid S. de Wijn wrote: > > > > Package: linux-image-2.6.25-2-686 > > Version: 2.6.25-5 > > Severity: normal > > > > > > In 2.6.25 debian kernels, USB_PERSIST has been enabled, to make it possible to suspend with mounted usb storage > > filesystems which lose power during suspend. Even though the interface in /sys exists, and I write "1" to every > > device's persist file, I still lose the usb storage devices after resume as if I had suspended without USB_PERSIST. > > The result is journal commit I/O errors and risk of filesystem corruption. The storage devices in question are a > > usb SD card reader and a usb stick attached to a usb hub, which contains my / filesystem. > > > > I've done a little bit of digging and found someone who reported a suspiciously similar problem. In the thread > > a patch is mentioned: > > http://article.gmane.org/gmane.linux.usb.general/2031/match=usb+persist+issue > > The patch was supposed to be submitted for 2.6.25, but the 2.6.25 debian-patched kernel sources don't seem to > > have it. I have not been able to test yet wether this patch fixes my problem. > > > > Kind regards, > > > > Astrid > > please checkout 2.6.26-rcX kernels. they have got patches for it > see apt trunk lines http://wiki.debian.org/DebianKernel > > (beware to blacklist snd-pcsp ) > > -- > maks I've tried it with 2.6.26-rc6. USB_PERSIST works for the card reader, but unfortunately not for the usb stick. Aparently there is another problem. :( Astrid ------------------------------------------------------------- astrid@syonax.net astrid@dewijn.eu A.S.deWijn@science.ru.nl ------------------------------------------------------------- Dr. Astrid S. de Wijn Theory of Condensed Matter (TCM) Institute for Molecules and Materials (IMM) Faculty of Science Radboud University Nijmegen P.O. Box 9010 6500 GL Nijmegen The Netherlands Tel: +31(0)243652849 -------------------------------------------------------------
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