On Wed, Feb 01, 2006 at 03:28:06PM -0500, Allen Chan wrote: > On Tuesday 31 January 2006 22:23, [EMAIL PROTECTED] wrote: > > I tried upgrading my UML running 2.4.28-1um to 2.6.15.2-bs1. After > > bringing the UML up under the later kernel, I noticed random > > processes within the UML would segfault. For instance, I tried > > SSHing to it over and over and in about 1 in 5 attempts my shell or > > something else during the login procedure would segfault before > > getting to a prompt. > > I've had similar problems in every UML guest kernel starting with > 2.6.11. The initial ssh login would segfault every now and then, but > the UML appears to run fine otherwise. The same setup would work > fine in a 2.4.* guest kernel and in 2.6.* guest kernels up to 2.6.10. > > After a little experimentation, it appears that the problem only > occurs in a tcsh shell and the segfault occurs on command lines > containing backquotes, and even then, the segfault only occurs > roughly 10% of the time. The problem can be reproduced by repeatedly > executing the following command inside the UML guest: > tcsh -c 'echo `hostname`'
Ah, yes, mine is doing the exact same thing. I made it core dump, but the core it left behind is corrupt or something. gdb says it segfaulted while doing read() in libc, but there are thousands of bogus frames on the stack, so who knows... ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642 _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
