linux-kernel - Re: [2.6.33-rc6-git regression] idr fix breaks Xorg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4B6A8278.8070001@kernel.org>
Date:	Thu, 04 Feb 2010 17:16:56 +0900
From:	Tejun Heo <tj@...nel.org>
To:	Andy Isaacson <adi@...apodia.org>
CC:	linux-kernel@...r.kernel.org, dri-devel@...ts.sourceforge.net
Subject: Re: [2.6.33-rc6-git regression] idr fix breaks Xorg

Hello,

On 02/04/2010 04:56 PM, Andy Isaacson wrote:
> 1265267921.568269 ioctl(8, 0xc020645e, 0x7fffe2196980) = -1 EBADF (Bad file descriptor)

Hmm... -EBADF?  I suppose it doesn't mean that the fd is invalid in
this case but that the mapped object can't be found for some reason?
Can anyone more familiar with the subsystem explain what's going on?

> 1265267921.568649 write(2, "../../../libdrm/intel/intel_bufmgr_gem.c:637: Error mapping buffer 1073741824 (gen4 WM state): Bad file descriptor .\n", 117) = 117
> 1265267921.569039 --- SIGSEGV (Segmentation fault) @ 0 (0) ---

I'll forward the fore mentioned fix as it at least fixes one reported
failure.

Thanks.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/