Hello Christoph,
to be clear :
my JMicron pcie card JMB363/368 has 2 sata ports and one IDE port,
JMicron supports AHCI on these 2 sata ports,
my gigabyte motherboard has 4 sata ports and one IDE port, my gigabyte
motherboard doesn't support AHCI on these 4 sata ports ( my bios seems
to treats s
On Thu, Nov 20, 2014 at 07:27:49PM +0100, Barto wrote:
> but the sata DVD burner is now connected on a Jmicron sata PCIe card (
> with this configuration the bug doesn't occur ), I don't know if this
> change can modify the result of your command,
>
> here is the result of another command :
>
> $
Hello,
here is the result of the command :
$ for i in /sys/class/scsi_host/*; do cat $i/can_queue; done
1
1
1
1
1
1
31
31
but the sata DVD burner is now connected on a Jmicron sata PCIe card (
with this configuration the bug doesn't occur ), I don't know if this
change can modify the result of y
On Thu, Nov 20, 2014 at 06:44:32PM +0100, Barto wrote:
> I notice that my motherboard doesn't support "AHCI" mode, my motherboard
> uses an ICH7 sata controler, ICH7 doesn't support AHCI if I check the
> technical specifications of this controler,
>
> it seems that my bios treats SATA devices like
Hello Christoph,
I tested your patch, it works, the bug is gone with your patch, it's a
good news,
I notice that my motherboard doesn't support "AHCI" mode, my motherboard
uses an ICH7 sata controler, ICH7 doesn't support AHCI if I check the
technical specifications of this controler,
it seems t
I
Hi Barto,
sorry for the late reply, and thanks for drilling down the exact
conditions.
I think we have some issues with the lack of the host lock vs error
handling, but I still don't undertand the details.
I've got a test patch for you that just adds the host lock back in a few
places while k
Hello,
I solved the mystery,
I found that the element who triggers the bug ( random hang at boot with
kernel 3.17 and 3.18 ) is the combination of 3 elements :
- the use of a SATA DVD burner ( Liteon iHAS124 C ) on a ICH7 Sata controler
- the use of a gigabyte motherboard GA-P31-DSL3 ( bios F10A
Hello everyone,
> Also, SCSI_QUEUE_DELAY seems like an arbitrary magic number;
> maybe that value isn't working correctly anymore?
this is an excellent remark from Robert Elliot,
this gives me an idea : try to set manually a value in the if()
statement ( line 1779 in file /drivers/scsi/scsi_lib.
Hello Christoph,
I did the new bisect,
the first bad commit is :
74665016086615bbaa3fa6f83af410a0a4e029ee
scsi: convert host_busy to atomic_t
you can find the bisect log here :
https://bugzilla.kernel.org/attachment.cgi?id=157621
Le 14/11/2014 08:32, Christoph Hellwig a écrit :
> On Thu, Nov
On Thu, Nov 13, 2014 at 11:55:38PM +0100, Barto wrote:
> it's interesting, with this commit
> 74665016086615bbaa3fa6f83af410a0a4e029ee I have the bug :
>
> scsi: convert host_busy to atomic_t :
At this point we'll need a bisction between v3.16 as the last good
point, and 74665016086615bbaa3fa6f83
Hello Christoph,
> Please explicitly test commits:
>
> 71e75c97f97a9645d25fbf3d8e4165a558f18747
with commit 71e75c97f97a9645d25fbf3d8e4165a558f18747 there is no problem
> and
>
> 74665016086615bbaa3fa6f83af410a0a4e029ee
it's interesting, with this commit
74665016086615bbaa3fa6f83af410a0a4e029e
On Thu, Nov 13, 2014 at 06:14:14PM +0100, Barto wrote:
> Hello Christoph,
>
> I tested this commit :
>
> 7ae65c0f9646c29432b69580b80e08632e6cd813 scsi: convert target_busy to an
> atomic_t
>
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7ae65c0f9646c29432b69580b80e0
Hello Christoph,
I tested this commit :
7ae65c0f9646c29432b69580b80e08632e6cd813 scsi: convert target_busy to an
atomic_t
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7ae65c0f9646c29432b69580b80e08632e6cd813
there is no bug, boot process is ok whit this commit,
whe
I am not sure to understand your request, it's quite confusing,
you ask me to revert this commit and see if the bug is gone ? :
74665016086615bbaa3fa6f83af410a0a4e029ee scsi: convert host_busy to atomic_t
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=74665016086615bba
Guenters commit just fixes the inversion from commit
71e75c97f97a9645d25fbf3d8e4165a558f18747 scsi: convert device_busy to atomic_t
Can you please test the commit before that:
74665016086615bbaa3fa6f83af410a0a4e029ee scsi: convert host_busy to atomic_t
and check if that works for you or not.
--
rg] On Behalf Of Barto
>> Sent: Wednesday, November 12, 2014 9:28 PM
>> To: Guenter Roeck; Bjorn Helgaas
>> Cc: linux-ker...@vger.kernel.org; linux-scsi@vger.kernel.org; Joe
>> Perches
>> Subject: Re: BUG in scsi_lib.c due to a bad commit
>>
>> reverting yo
org; Joe
> Perches
> Subject: Re: BUG in scsi_lib.c due to a bad commit
>
> reverting your commit 045065d8a300a37218c is a solution, but it's just a
> temporary solution,
>
> it's better to search why your commit can create a random hang on boot
> on some PC config
reverting your commit 045065d8a300a37218c is a solution, but it's just a
temporary solution,
it's better to search why your commit can create a random hang on boot
on some PC configurations,
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1774,7 +1774,7 @@ static void scsi_request
On 11/11/2014 04:17 PM, Bjorn Helgaas wrote:
[+cc Guenter, linux-scsi]
On Tue, Nov 11, 2014 at 4:33 PM, Barto wrote:
Hello everyone,
I notice a bug since kernel 3.17 ( and also with 3.18 branch ), a random
hang at boot on some PC configurations, I did a "git bisect" and I found
that the culpr
[+cc Guenter, linux-scsi]
On Tue, Nov 11, 2014 at 4:33 PM, Barto wrote:
> Hello everyone,
>
> I notice a bug since kernel 3.17 ( and also with 3.18 branch ), a random
> hang at boot on some PC configurations, I did a "git bisect" and I found
> that the culprit is :
>
> [045065d8a300a37218c548e9a
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