Discussion:
system hang
narasimharo bolisetti
2014-04-10 07:05:52 UTC
Permalink
Hi Greg/All,=20
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This is Narasimharao working for a s/wcompany HCLT..=20
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I am working a issue and
the description is below:=20
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system stops booting and
needs a series of console inputs (space bar or return) to
continue booting. Each input advances the process a little
bit.=20
Actually I am trying to
upgrade the s/w from usb pendrive, part of this upgrade
having multiple times we are disconnecting and connecting
the usb pen drive.=20
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system stops booting and
needs a series of console inputs (space bar or return) to
continue booting. Each input advances the process a little
bit.=20
I have tried to find the
root cause for the issue but not get success, can you help
me regarding to this what is the root cause and how i can
fix this?=20
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One more thing i observed
that the space allocated for tty by 'tty_write_room'
is suddenly consumed by more than 2k at the time of issue
occurs and gradually
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consuming remaining memory
and when reaches to zero upgrade completely hangs and when
console inputs (space bar or return) to continue booting,
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Each input advances the
process a little bit. This console i/p's creating some
space for the same . Is this problem in tty?
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one more thing we observed
that whenever we increase the logging then this problem
happens regularly.=20
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[=C2=A0=C2=A0 66.233676]
EXT3-fs (sda14): using internal journal=20
[=C2=A0=C2=A0 66.233691]
EXT3-fs (sda14): mounted filesystem with ordered data
mode=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
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[=C2=A0=C2=A0 76.822878]
par.que...par_queue_user_receive: Freeze check =3D0=20
[=C2=A0=C2=A0 76.828711]
par.que...par_queue_user_receive: <*> returned
-ERESTARTSYS <*> event =3D-512=20
[=C2=A0=C2=A0 76.837241]
par_ldisc_open:record is found for ttyS4=20
[=C2=A0=C2=A0 76.842766]
par.que...par_queue_user_receive: Freeze check =3D0=20
[=C2=A0=C2=A0 76.848594]
par.que...par_queue_user_receive: <*> returned
-ERESTARTSYS <*> event =3D-512=20
[=C2=A0 101.781654] usb
1-1.3: USB disconnect, address 3=20
[=C2=A0 104.029178] usb
1-1.3: new high speed USB device using fsl-ehci and address
4=20
[=C2=A0 104.159085] scsi2
: usb-storage 1-1.3:1.0=20
[=C2=A0 105.163726] scsi
2:0:0:0: Direct-Access=C2=A0=C2=A0=C2=A0=C2=A0 Kingston
DataTraveler 2.0 1.00 PQ: 0 ANSI: 2=20
[=C2=A0 105.173202] sd
2:0:0:0: Attached scsi generic sg1 type 0=20
[=C2=A0 105.173686] sd
2:0:0:0: [sdb] 4006912 512-byte logical blocks: (2.05
GB/1.91 GiB)=20
[=C2=A0 105.174177] sd
2:0:0:0: [sdb] Write Protect is off=20
[=C2=A0 105.174188] sd
2:0:0:0: [sdb] Mode Sense: 23 00 00 00=20
[=C2=A0 105.174197] sd
2:0:0:0: [sdb] Assuming drive cache: write through=20
[=C2=A0 105.178804] sd
2:0:0:0: [sdb] Assuming drive cache: write through=20
[=C2=A0 105.178825]=C2=A0
sdb: sdb1=20
[=C2=A0 105.295052] sd
2:0:0:0: [sdb] Assuming drive cache: write through=20
[=C2=A0 105.301142] sd
2:0:0:0: [sdb] Attached SCSI removable
disk=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0
- Hangs at this place and
console i/p=E2=80=99s to continue booting.=20
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I have tried with
different sizes and different vendors pen drives but problem
is the same and occurs at the same place.=20
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Your valuable inputs and
suggetions are helpful to fix this issue.=20
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My kernel version is:
2.6.35.6-45.fc14.i686=20
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Thanks in advance for
helping and replying.=20
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=C2=A0=20
Regards,=20
Narasimharao B=20
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Willy Tarreau
2014-04-10 07:55:39 UTC
Permalink
Post by narasimharo bolisetti
2.6.35.6-45.fc14.i686
Maintenance for this kernel has been dropped years ago, so it very
likely contains many bugs that were fixed in more recent ones. You
should definitely upgrade.

Hoping this helps,
Willy
Narasimharao Bolisetti
2014-04-10 07:59:38 UTC
Permalink
Hi,

I have checked the same in the recent kernel versions also. Issue is still remain.

Regards,
Narasimharao B


-----Original Message-----
From: Willy Tarreau [mailto:***@1wt.eu]
Sent: 10 April 2014 13:26
To: narasimharo bolisetti
Cc: linux-***@vger.kernel.org; ***@nl.linux.org; ***@linuxdriverproject.org; linux-***@vger.kernel.org; linux-***@vger.kernel.org; ***@kroah.com; Narasimharao Bolisetti; ***@gmail.com; ***@vger.kernel.org; linux-***@vger.kernel.org; linux-***@vger.kernel.org
Subject: Re: system hang
Post by narasimharo bolisetti
2.6.35.6-45.fc14.i686
Maintenance for this kernel has been dropped years ago, so it very likely contains many bugs that were fixed in more recent ones. You should definitely upgrade.

Hoping this helps,
Willy



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g***@kroah.com
2014-04-10 15:59:27 UTC
Permalink
Post by Narasimharao Bolisetti
Hi,
I have checked the same in the recent kernel versions also. Issue is still remain.
What versions have you tried, and what are the logs from those versions?
Post by Narasimharao Bolisetti
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The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only.
E-mail transmission is not guaranteed to be secure or error-free as information could be intercepted, corrupted,
lost, destroyed, arrive late or incomplete, or may contain viruses in transmission. The e mail and its contents
(with or without referred errors) shall therefore not attach any liability on the originator or HCL or its affiliates.
Views or opinions, if any, presented in this email are solely those of the author and may not necessarily reflect the
views or opinions of HCL or its affiliates. Any form of reproduction, dissemination, copying, disclosure, modification,
distribution and / or publication of this message without the prior written consent of authorized representative of
HCL is strictly prohibited. If you have received this email in error please delete it and notify the sender immediately.
Before opening any email and/or attachments, please check them for viruses and other defects.
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Oops, sorry, nope, I'm not allowed to respond to anyone with such an
email footer, it's not compatible with Linux kernel development (Linux
is not confidential.)

Best of luck, I suggest you work with the vendor who is forcing you to
stick with such an old kernel version.

greg k-h

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