Heiko Carstens wrote: > On Sat, Oct 20, 2007 at 01:24:34PM -0400, emist wrote: >> Frans Pop wrote: >>> emist wrote: >>>> The following patch fixes and issue in the s390 dcssblk driver. The >>>> issue is caused when an unsuccessful attempt is made in order to change >>>> a segment's type through the device attribute file "shared". This causes >>>> the driver to remove the device in question, removing with it the device >>>> attribute which is currently handling the call. The result is a hang on >>>> the driver as it removes memory from under its feet. >>>> >>>> Not exactly sure if this explanation makes sense or its entirely >>>> accurate. This is what I believe at this point from encountering and >>>> fixing the error. Anyway here is the patch, hope it helps. >>> Hi, >>> >>> If you don't get any reactions to your patch during the next few days, I >>> suggest you resend it and then CC the linux-s390@vger.kernel.org list and >>> possibly also the maintainer at linux390@de.ibm.com. >>> >>> In general you should always try to CC the relevant list/people as listed in >>> the MAINTAINERS file and not just the linux-kernel list, both for patches >>> and when reporting problems. >>> >>> Cheers, >>> Frans Pop >>> >> Thanks Frans, I will do as you suggest. >> >> Have a good one, >> >> Igor H. > > Gerald or Carsten (cc'ed) should look into this. > Thanks for reporting. > Hello, I realized that I did not fix one of the cases where this bug manifests in my last patch. Here is the complete patch to fix the issue. And this time I cc'ed the relevant people. Have a good one, Igor H.