diff for duplicates of <20141003010418.GA9612@saruman> diff --git a/a/1.1.hdr b/a/1.1.hdr deleted file mode 100644 index 5a32186..0000000 --- a/a/1.1.hdr +++ /dev/null @@ -1,3 +0,0 @@ -Content-Type: text/plain; charset=us-ascii -Content-Disposition: inline -Content-Transfer-Encoding: quoted-printable diff --git a/a/1.1.txt b/a/1.1.txt deleted file mode 100644 index 5ce44b1..0000000 --- a/a/1.1.txt +++ /dev/null @@ -1,62 +0,0 @@ -Hi Mugunthan, - -I noticed that *really* rarely I get the skb panic below. What I have -here is an AM437x SK running v3.17-rc6, with NFS root. Once booted, then -I run cyclictest and hackbench (this one in an infinite loop) an -eventually this will trigger. - -File system is mounted as read-only and another board (BBB) is also -mounting the exact same NFS root also as read-only. - -It takes a while to reproduce but it is the second time I managed to -reproduce with the exact same setup. .config attached. - -[ 260.881326] skbuff: skb_over_panic: text:c0605aac len:100 put:100 head: (null) data: (null) tail:0x64 end:0x0 dev:-\x03 -[ 260.892732] ------------[ cut here ]------------ -[ 260.897590] kernel BUG at net/core/skbuff.c:100! -[ 260.902441] Internal error: Oops - BUG: 0 [#1] SMP ARM -[ 260.907820] Modules linked in: xhci_hcd snd_soc_davinci_mcasp snd_soc_edma snd_soc_omap snd_soc_evm snd_soc_tlv320aic3x snd_soc_core dwc3 snd_compress omapdrm snd_pcm_dmaengine snd_pcm snd_timer snd fb_sys_fops lis3lv02d_i2c panel_dpi matrix_keypad lis3lv02d dwc3_omap input_polldev soundcore -[ 260.935072] CPU: 0 PID: 8997 Comm: hackbench Not tainted 3.17.0-rc6-00456-gd8da063-dirty #223 -[ 260.944015] task: ead16d80 ti: ec084000 task.ti: ec084000 -[ 260.949693] PC is at skb_panic+0x64/0x70 -[ 260.953824] LR is at vprintk_emit+0x258/0x5e0 -[ 260.958386] pc : [<c0648d48>] lr : [<c009459c>] psr: 600f0013 -[ 260.958386] sp : ec085db8 ip : ec085d20 fp : ec085dec -[ 260.970435] r10: 00000000 r9 : e8881ac0 r8 : 00000001 -[ 260.975909] r7 : c087e79c r6 : 00000000 r5 : 00000064 r4 : 00000000 -[ 260.982747] r3 : ead16d80 r2 : 00000000 r1 : edfb5544 r0 : 0000006a -[ 260.989599] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user -[ 260.997090] Control: 10c5387d Table: a91c0059 DAC: 00000015 -[ 261.003116] Process hackbench (pid: 8997, stack limit = 0xec084248) -[ 261.009674] Stack: (0xec085db8 to 0xec086000) -[ 261.014233] 5da0: 00000064 00000000 -[ 261.022817] 5dc0: 00000000 00000064 00000000 ea9ed240 00000064 00000064 00000000 00000000 -[ 261.031393] 5de0: ec085e0c ec085df0 c0565edc c0648cf0 00000064 e8881cac e893e1c0 00000000 -[ 261.039955] 5e00: ec085e7c ec085e10 c0605aac c0565e8c ec085e38 00000003 c064e674 e893e254 -[ 261.048537] 5e20: ec085e80 ec085ea0 e893e4d4 00000001 00000064 ece0e840 00000000 00000000 -[ 261.057108] 5e40: 00000000 00000000 ffffffff ffffffff c00899e0 ece0e840 e893f940 00000064 -[ 261.065686] 5e60: 00000064 00000064 bed59b48 00000000 ec085edc ec085e80 c055b364 c0605954 -[ 261.074259] 5e80: 00000000 c018b704 ec085ee4 00000064 ece0e840 c0089d60 ec085e3c ec085ea0 -[ 261.082843] 5ea0: 00000000 00000000 ec085ee8 00000001 00000000 00000000 00000000 ec085ef0 -[ 261.091397] 5ec0: 00000000 00000000 00000000 ec085f78 ec085f44 ec085ee0 c014c42c c055b294 -[ 261.099953] 5ee0: 00000000 00000000 bed59b48 00000064 e893f940 00000000 00000000 ec085e80 -[ 261.108502] 5f00: ead16d80 00000000 00000000 00000000 00000000 00000000 00000064 00000000 -[ 261.117089] 5f20: 00000000 00000000 e893f940 e893f940 bed59b48 ec085f78 ec085f74 ec085f48 -[ 261.125662] 5f40: c014cf70 c014c3ac 00000001 c016a9d8 00000000 00000000 e893f940 e893f940 -[ 261.134242] 5f60: 00000064 bed59b48 ec085fa4 ec085f78 c014d564 c014ce64 00000000 00000000 -[ 261.142843] 5f80: 00000064 00024c6c bed59b48 00000004 c000efc4 ec084000 00000000 ec085fa8 -[ 261.151417] 5fa0: c000ed40 c014d524 00000064 00024c6c 0000000c bed59b48 00000064 00000014 -[ 261.159992] 5fc0: 00000064 00024c6c bed59b48 00000004 00000004 00024c50 000221ac 00000000 -[ 261.168555] 5fe0: 00000000 bed59b44 000113a1 b6f204d6 600f0030 0000000c 00000000 00000000 -[ 261.177168] [<c0648d48>] (skb_panic) from [<c0565edc>] (skb_put+0x5c/0x60) -[ 261.184415] [<c0565edc>] (skb_put) from [<c0605aac>] (unix_stream_sendmsg+0x164/0x390) -[ 261.192712] [<c0605aac>] (unix_stream_sendmsg) from [<c055b364>] (sock_aio_write+0xdc/0xfc) -[ 261.201475] [<c055b364>] (sock_aio_write) from [<c014c42c>] (do_sync_write+0x8c/0xb4) -[ 261.209697] [<c014c42c>] (do_sync_write) from [<c014cf70>] (vfs_write+0x118/0x1c0) -[ 261.217652] [<c014cf70>] (vfs_write) from [<c014d564>] (SyS_write+0x4c/0xa0) -[ 261.225054] [<c014d564>] (SyS_write) from [<c000ed40>] (ret_fast_syscall+0x0/0x48) -[ 261.232988] Code: e58d4008 e58de00c e59f0008 ebfff48e (e7f001f2) -[ 261.239378] ---[ end trace d64258d586f40104 ]--- - --- -balbi diff --git a/a/1.2.hdr b/a/1.2.hdr deleted file mode 100644 index e94c2d6..0000000 --- a/a/1.2.hdr +++ /dev/null @@ -1,2 +0,0 @@ -Content-Type: text/plain; charset=us-ascii -Content-Disposition: attachment; filename=".config" diff --git a/a/1.2.txt b/N1/1.txt similarity index 95% rename from a/1.2.txt rename to N1/1.txt index db02cbf..d20ff5a 100644 --- a/a/1.2.txt +++ b/N1/1.txt @@ -1,3 +1,66 @@ +Hi Mugunthan, + +I noticed that *really* rarely I get the skb panic below. What I have +here is an AM437x SK running v3.17-rc6, with NFS root. Once booted, then +I run cyclictest and hackbench (this one in an infinite loop) an +eventually this will trigger. + +File system is mounted as read-only and another board (BBB) is also +mounting the exact same NFS root also as read-only. + +It takes a while to reproduce but it is the second time I managed to +reproduce with the exact same setup. .config attached. + +[ 260.881326] skbuff: skb_over_panic: text:c0605aac len:100 put:100 head: (null) data: (null) tail:0x64 end:0x0 dev:-\x03 +[ 260.892732] ------------[ cut here ]------------ +[ 260.897590] kernel BUG at net/core/skbuff.c:100! +[ 260.902441] Internal error: Oops - BUG: 0 [#1] SMP ARM +[ 260.907820] Modules linked in: xhci_hcd snd_soc_davinci_mcasp snd_soc_edma snd_soc_omap snd_soc_evm snd_soc_tlv320aic3x snd_soc_core dwc3 snd_compress omapdrm snd_pcm_dmaengine snd_pcm snd_timer snd fb_sys_fops lis3lv02d_i2c panel_dpi matrix_keypad lis3lv02d dwc3_omap input_polldev soundcore +[ 260.935072] CPU: 0 PID: 8997 Comm: hackbench Not tainted 3.17.0-rc6-00456-gd8da063-dirty #223 +[ 260.944015] task: ead16d80 ti: ec084000 task.ti: ec084000 +[ 260.949693] PC is at skb_panic+0x64/0x70 +[ 260.953824] LR is at vprintk_emit+0x258/0x5e0 +[ 260.958386] pc : [<c0648d48>] lr : [<c009459c>] psr: 600f0013 +[ 260.958386] sp : ec085db8 ip : ec085d20 fp : ec085dec +[ 260.970435] r10: 00000000 r9 : e8881ac0 r8 : 00000001 +[ 260.975909] r7 : c087e79c r6 : 00000000 r5 : 00000064 r4 : 00000000 +[ 260.982747] r3 : ead16d80 r2 : 00000000 r1 : edfb5544 r0 : 0000006a +[ 260.989599] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user +[ 260.997090] Control: 10c5387d Table: a91c0059 DAC: 00000015 +[ 261.003116] Process hackbench (pid: 8997, stack limit = 0xec084248) +[ 261.009674] Stack: (0xec085db8 to 0xec086000) +[ 261.014233] 5da0: 00000064 00000000 +[ 261.022817] 5dc0: 00000000 00000064 00000000 ea9ed240 00000064 00000064 00000000 00000000 +[ 261.031393] 5de0: ec085e0c ec085df0 c0565edc c0648cf0 00000064 e8881cac e893e1c0 00000000 +[ 261.039955] 5e00: ec085e7c ec085e10 c0605aac c0565e8c ec085e38 00000003 c064e674 e893e254 +[ 261.048537] 5e20: ec085e80 ec085ea0 e893e4d4 00000001 00000064 ece0e840 00000000 00000000 +[ 261.057108] 5e40: 00000000 00000000 ffffffff ffffffff c00899e0 ece0e840 e893f940 00000064 +[ 261.065686] 5e60: 00000064 00000064 bed59b48 00000000 ec085edc ec085e80 c055b364 c0605954 +[ 261.074259] 5e80: 00000000 c018b704 ec085ee4 00000064 ece0e840 c0089d60 ec085e3c ec085ea0 +[ 261.082843] 5ea0: 00000000 00000000 ec085ee8 00000001 00000000 00000000 00000000 ec085ef0 +[ 261.091397] 5ec0: 00000000 00000000 00000000 ec085f78 ec085f44 ec085ee0 c014c42c c055b294 +[ 261.099953] 5ee0: 00000000 00000000 bed59b48 00000064 e893f940 00000000 00000000 ec085e80 +[ 261.108502] 5f00: ead16d80 00000000 00000000 00000000 00000000 00000000 00000064 00000000 +[ 261.117089] 5f20: 00000000 00000000 e893f940 e893f940 bed59b48 ec085f78 ec085f74 ec085f48 +[ 261.125662] 5f40: c014cf70 c014c3ac 00000001 c016a9d8 00000000 00000000 e893f940 e893f940 +[ 261.134242] 5f60: 00000064 bed59b48 ec085fa4 ec085f78 c014d564 c014ce64 00000000 00000000 +[ 261.142843] 5f80: 00000064 00024c6c bed59b48 00000004 c000efc4 ec084000 00000000 ec085fa8 +[ 261.151417] 5fa0: c000ed40 c014d524 00000064 00024c6c 0000000c bed59b48 00000064 00000014 +[ 261.159992] 5fc0: 00000064 00024c6c bed59b48 00000004 00000004 00024c50 000221ac 00000000 +[ 261.168555] 5fe0: 00000000 bed59b44 000113a1 b6f204d6 600f0030 0000000c 00000000 00000000 +[ 261.177168] [<c0648d48>] (skb_panic) from [<c0565edc>] (skb_put+0x5c/0x60) +[ 261.184415] [<c0565edc>] (skb_put) from [<c0605aac>] (unix_stream_sendmsg+0x164/0x390) +[ 261.192712] [<c0605aac>] (unix_stream_sendmsg) from [<c055b364>] (sock_aio_write+0xdc/0xfc) +[ 261.201475] [<c055b364>] (sock_aio_write) from [<c014c42c>] (do_sync_write+0x8c/0xb4) +[ 261.209697] [<c014c42c>] (do_sync_write) from [<c014cf70>] (vfs_write+0x118/0x1c0) +[ 261.217652] [<c014cf70>] (vfs_write) from [<c014d564>] (SyS_write+0x4c/0xa0) +[ 261.225054] [<c014d564>] (SyS_write) from [<c000ed40>] (ret_fast_syscall+0x0/0x48) +[ 261.232988] Code: e58d4008 e58de00c e59f0008 ebfff48e (e7f001f2) +[ 261.239378] ---[ end trace d64258d586f40104 ]--- + +-- +balbi +-------------- next part -------------- # # Automatically generated file; DO NOT EDIT. # Linux/arm 3.17.0-rc6 Kernel Configuration @@ -3688,3 +3751,10 @@ CONFIG_FONT_8x16=y # CONFIG_FONT_10x18 is not set CONFIG_ARCH_HAS_SG_CHAIN=y # CONFIG_VIRTUALIZATION is not set +-------------- next part -------------- +A non-text attachment was scrubbed... +Name: signature.asc +Type: application/pgp-signature +Size: 819 bytes +Desc: Digital signature +URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20141002/fd55ca9b/attachment-0001.sig> diff --git a/a/2.bin b/a/2.bin deleted file mode 100644 index bc84629..0000000 --- a/a/2.bin +++ /dev/null @@ -1,17 +0,0 @@ ------BEGIN PGP SIGNATURE----- -Version: GnuPG v1 - -iQIcBAEBAgAGBQJULfYSAAoJEIaOsuA1yqREzKQQAJPjyUKeFl3wqcQ/U2j0B9up -SnQP8AyWTXgj4I/bt/m3VBEaMbNgk8VowLv5h8OiP8uFq6q45z/Hl2rEBJZJer++ -cyv6s9Z639CXmmOQe3+qFwCI0QS9nNNUXP/E0P2qjVf0B2X05GaWTKyJqy2aSZm0 -iI53bHKUB2j8ygFdSLRgfzS49zLwkWwqzmqKdw9AW5xhpbv+dDhxAHm+CLDot8m1 -moxDzYmWge4pdp7SRpTl9Irlt/zBHETeV6R8mTzGy3nlNqPcSCOEpyShjO0VQ81h -drzk4ZxTQr7BQwTXUbYsokszHE4nO7Wp1OQsulOYKef1T6uyaS8FUNj3HcPQ9Bd6 -jUwnF4LIONjVVBJ6fx0nf4gZGyF0JfLxdx2YSkP4/PE80ua/jIuMZ0i6YV/uaqRh -OtZ4VnCWhH6LPRwlGDw+jOe6hd+RSCe0q63FsmT34WAnaRTD+gGhkKzrc+IZEJwy -xLfCZz21GGWmoxyyzgwhyQ36B3wJ1jxOGb7z/1s9Zp9bkDmu82GSHKvvIBii3qDr -NaBhQDVqWEWCzMyi4u/K7wUuXpIEDc0IhjohJa57i9cb8GAc/itrUk/uhJSY6ySC -dCRlhe9/CMBnezcNCth3/XqoD5p+0ewjzMb6qP2+lqxXvWdnHBJz9HOU9yfjGzp+ -//32KvIHJrNO3PJdAbRE -=paD0 ------END PGP SIGNATURE----- diff --git a/a/2.hdr b/a/2.hdr deleted file mode 100644 index 3237378..0000000 --- a/a/2.hdr +++ /dev/null @@ -1,2 +0,0 @@ -Content-Type: application/pgp-signature; name="signature.asc" -Content-Description: Digital signature diff --git a/a/content_digest b/N1/content_digest index 6ddacda..14337f9 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,13 +1,8 @@ - "From\0Felipe Balbi <balbi@ti.com>\0" + "From\0balbi@ti.com (Felipe Balbi)\0" "Subject\0CPSW bug with AM437x SK\0" "Date\0Thu, 2 Oct 2014 20:04:18 -0500\0" - "To\0Mugunthan V N <mugunthanvnm@ti.com>\0" - "Cc\0davem@davemloft.net" - netdev@vger.kernel.org - Linux OMAP Mailing List <linux-omap@vger.kernel.org> - Linux ARM Kernel Mailing List <linux-arm-kernel@lists.infradead.org> - " Linux Kernel Mailing List <linux-kernel@vger.kernel.org>\0" - "\02:1.1\0" + "To\0linux-arm-kernel@lists.infradead.org\0" + "\00:1\0" "b\0" "Hi Mugunthan,\n" "\n" @@ -70,10 +65,8 @@ "[ 261.239378] ---[ end trace d64258d586f40104 ]---\n" "\n" "-- \n" - balbi - "\02:1.2\0" - "fn\0.config\0" - "b\0" + "balbi\n" + "-------------- next part --------------\n" "#\n" "# Automatically generated file; DO NOT EDIT.\n" "# Linux/arm 3.17.0-rc6 Kernel Configuration\n" @@ -3763,27 +3756,13 @@ "# CONFIG_FONT_SUN12x22 is not set\n" "# CONFIG_FONT_10x18 is not set\n" "CONFIG_ARCH_HAS_SG_CHAIN=y\n" - # CONFIG_VIRTUALIZATION is not set - "\01:2\0" - "fn\0signature.asc\0" - "d\0Digital signature\0" - "b\0" - "-----BEGIN PGP SIGNATURE-----\n" - "Version: GnuPG v1\n" - "\n" - "iQIcBAEBAgAGBQJULfYSAAoJEIaOsuA1yqREzKQQAJPjyUKeFl3wqcQ/U2j0B9up\n" - "SnQP8AyWTXgj4I/bt/m3VBEaMbNgk8VowLv5h8OiP8uFq6q45z/Hl2rEBJZJer++\n" - "cyv6s9Z639CXmmOQe3+qFwCI0QS9nNNUXP/E0P2qjVf0B2X05GaWTKyJqy2aSZm0\n" - "iI53bHKUB2j8ygFdSLRgfzS49zLwkWwqzmqKdw9AW5xhpbv+dDhxAHm+CLDot8m1\n" - "moxDzYmWge4pdp7SRpTl9Irlt/zBHETeV6R8mTzGy3nlNqPcSCOEpyShjO0VQ81h\n" - "drzk4ZxTQr7BQwTXUbYsokszHE4nO7Wp1OQsulOYKef1T6uyaS8FUNj3HcPQ9Bd6\n" - "jUwnF4LIONjVVBJ6fx0nf4gZGyF0JfLxdx2YSkP4/PE80ua/jIuMZ0i6YV/uaqRh\n" - "OtZ4VnCWhH6LPRwlGDw+jOe6hd+RSCe0q63FsmT34WAnaRTD+gGhkKzrc+IZEJwy\n" - "xLfCZz21GGWmoxyyzgwhyQ36B3wJ1jxOGb7z/1s9Zp9bkDmu82GSHKvvIBii3qDr\n" - "NaBhQDVqWEWCzMyi4u/K7wUuXpIEDc0IhjohJa57i9cb8GAc/itrUk/uhJSY6ySC\n" - "dCRlhe9/CMBnezcNCth3/XqoD5p+0ewjzMb6qP2+lqxXvWdnHBJz9HOU9yfjGzp+\n" - "//32KvIHJrNO3PJdAbRE\n" - "=paD0\n" - "-----END PGP SIGNATURE-----\n" + "# CONFIG_VIRTUALIZATION is not set\n" + "-------------- next part --------------\n" + "A non-text attachment was scrubbed...\n" + "Name: signature.asc\n" + "Type: application/pgp-signature\n" + "Size: 819 bytes\n" + "Desc: Digital signature\n" + URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20141002/fd55ca9b/attachment-0001.sig> -a922449d487c1277fc2f693c523d1e3d3b5ea02f0672ff04cc230b7c885e0cf9 +b8dc68f04c20980d6210ade7429b163e50e8b5926bd130926f8099421439a87d
diff --git a/a/content_digest b/N2/content_digest index 6ddacda..0210fd7 100644 --- a/a/content_digest +++ b/N2/content_digest @@ -2,8 +2,8 @@ "Subject\0CPSW bug with AM437x SK\0" "Date\0Thu, 2 Oct 2014 20:04:18 -0500\0" "To\0Mugunthan V N <mugunthanvnm@ti.com>\0" - "Cc\0davem@davemloft.net" - netdev@vger.kernel.org + "Cc\0<davem@davemloft.net>" + <netdev@vger.kernel.org> Linux OMAP Mailing List <linux-omap@vger.kernel.org> Linux ARM Kernel Mailing List <linux-arm-kernel@lists.infradead.org> " Linux Kernel Mailing List <linux-kernel@vger.kernel.org>\0" @@ -3786,4 +3786,4 @@ "=paD0\n" "-----END PGP SIGNATURE-----\n" -a922449d487c1277fc2f693c523d1e3d3b5ea02f0672ff04cc230b7c885e0cf9 +ca53fc7ebc8d2a0152d808ad769f91028d9638370f52cca36a8a88c5520fbfb5
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