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Tasklist

FS#19275 - mount.hgfs doesn't work.

Attached to Project: Arch Linux
Opened by Lee.MaRS (leemars) - Wednesday, 28 April 2010, 13:07 GMT
Last edited by Jan de Groot (JGC) - Wednesday, 07 July 2010, 15:33 GMT
Task Type Bug Report
Category System
Status Closed
Assigned To No-one
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

When I update my system to the latest today(xorg 1.8), I found that mount.hgfs doesn't work again. I get this message from dmesg output:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000014
IP: [<ffffffffa037f569>] HgfsChangeFileAttributes+0x269/0x470 [vmhgfs]
PGD f3c0067 PUD 1b7f9067 PMD 0
Oops: 0000 [#4] PREEMPT SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:10.0/host0/target0:0:0/0:0:0:0/block/sda/sda1/stat
CPU 0
Pid: 13356, comm: mount.vmhgfs Tainted: G D 2.6.33-ARCH #1 440BX Desktop Reference Platform/VMware Virtual Platform
RIP: 0010:[<ffffffffa037f569>] [<ffffffffa037f569>] HgfsChangeFileAttributes+0x269/0x470 [vmhgfs]
RSP: 0018:ffff88001b49bc48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88000f36c2c0 RCX: 000000000000416d
RDX: 0000000000000001 RSI: 0000000000000028 RDI: ffff88000f36c2c0
RBP: ffff88001b49bc88 R08: 0000000000000000 R09: 0000000000000280
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88001b49bcd8
R13: 0000000000000000 R14: ffff88001e379c40 R15: 0000000000000000
FS: 00007fe68330e700(0000) GS:ffff880001800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000014 CR3: 000000001b6cb000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process mount.vmhgfs (pid: 13356, threadinfo ffff88001b49a000, task ffff88001d43dca0)
Stack:
ffff88001b49bcd8 0000000000000000 ffff88001e379c40 0000000000000000
<0> ffff88001b49bc88 ffff88000f36c2c0 ffff88001b49bcd8 0000000000000000
<0> ffff88001b49bcc8 ffffffffa037f827 ffffffffa0385810 ffff88001ee67c00
Call Trace:
[<ffffffffa037f827>] HgfsIget+0xb7/0x140 [vmhgfs]
[<ffffffffa037f907>] HgfsInstantiate+0x57/0x90 [vmhgfs]
[<ffffffff81136579>] ? d_alloc_name+0x79/0x90
[<ffffffffa037e43a>] HgfsReadSuper+0x1ea/0x3c0 [vmhgfs]
[<ffffffffa037e250>] ? HgfsReadSuper+0x0/0x3c0 [vmhgfs]
[<ffffffff81123bfa>] get_sb_nodev+0x5a/0xa0
[<ffffffffa037e243>] HgfsGetSb+0x13/0x20 [vmhgfs]
[<ffffffff81123933>] vfs_kern_mount+0x73/0x1b0
[<ffffffff81123adf>] do_kern_mount+0x4f/0x110
[<ffffffff8113ddfa>] do_mount+0x3da/0x870
[<ffffffff810e2852>] ? __get_free_pages+0x12/0x50
[<ffffffff8113e59b>] sys_mount+0x8b/0xe0
[<ffffffff81009f02>] system_call_fastpath+0x16/0x1b
Code: 00 00 8b 40 08 89 43 54 e9 c7 fe ff ff 0f 1f 44 00 00 8b 10 89 53 50 e9 9a fe ff ff 66 0f 1f 44 00 00 83 fa 01 0f 85 66 fe ff ff <8b> 50 14 f7 d2 66 21 93 aa 00 00 00 e9 55 fe ff ff 66 0f 1f 44
RIP [<ffffffffa037f569>] HgfsChangeFileAttributes+0x269/0x470 [vmhgfs]
RSP <ffff88001b49bc48>
CR2: 0000000000000014
---[ end trace c664e438fb6812f8 ]---

But.. I can't understand why xorg can impact mount.hgfs. Any idea or hint?
This task depends upon

Closed by  Jan de Groot (JGC)
Wednesday, 07 July 2010, 15:33 GMT
Reason for closing:  None
Additional comments about closing:  No responses in +2 months. Please reopen if necessary.
Comment by Jan de Groot (JGC) - Wednesday, 28 April 2010, 14:05 GMT
The kernel was recently updated and compiled with gcc 4.5, external modules might need recompiling. As hgfs is not a kernel module included in the kernel, you should try to recompile it.
Comment by Jonathan Squirawski (sky) - Thursday, 29 April 2010, 10:07 GMT
I have a same kind of problem with XFS. I can't mount an XFS partition with le lastest kernel version.

The kernel shouldn't have been compiled with gcc 4.5.

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