On the face of it, this looks like it might be a problem in ext3 or the memory management code.
On Wed, 15 Jan 2003, Stephen Harker wrote: > OK here is a newly generated oops and ksymoops output on kernel > 2.4.21-pre3-ac1. > > This is created by simply copying a large file from the USB hard-drive > to a regular disk. It will get so far through copying (a different > amount each time) and then cp will segfault and returm to the prompt. > As mentioned before, this all works fine on a USB1.1 port. > > Interestingly, I compiled 2.4.21-pre3-ac4 today and tried that and > instead of segfaulting, the i/o seems to hang altogether and cp never > returns and you CANNOT kill the process or free the USB hard-drive, sync > will not complete etc... There are no oopses generated in this case. The > only way to free it is to HARD-RESET the machine, init 6 or halt or > shutdown all hang. > Anyway. Here it is. <snip> > Trace; c013f258 <try_to_free_buffers+88/f0> > Trace; c0133a67 <shrink_cache+217/300> > Trace; c0133c95 <shrink_caches+55/90> > Trace; c0133d03 <try_to_free_pages_zone+33/60> > Trace; c0134c10 <balance_classzone+60/200> > Trace; c0134e89 <__alloc_pages+d9/170> > Trace; c012fcde <generic_file_write+32e/6d0> > Trace; d080ec81 <[jbd].text.lock.journal+5ea5/14284> > Trace; c013b314 <sys_write+84/100> > Trace; c0108f03 <system_call+33/40> If you suspect the problem really lies in usb-storage, you could try enabling the debug option for usb-storage and recompiling it. Then see what your kernel log has to say. Alan Stern ------------------------------------------------------- This SF.NET email is sponsored by: Take your first step towards giving your online business a competitive advantage. Test-drive a Thawte SSL certificate - our easy online guide will show you how. Click here to get started: http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0027en _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
